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Revision Notes for Router v10.01 rev 4

::::::::::::::
/home/mlandman/rel/router/101rev4
::::::::::::::

===============
===============================
============================

SITE MANAGER
COMPATIBILITY
==================================================================
===========



       Router Version       is managed by          Site
Manager version


       v10.01 revision 1 --------------------------> V4.01, 4.00 rev 2

v10.01 revision 2 --------------------------> V4.01, 4.00 rev 2

v10.01 revision 3 --------------------------> V4.01, 4.00 rev 2 

v10.01 revision 4 --------------------------> V4.01, 4.00 rev
2
------------------------------------------------------------------------------

Revision 10.01/4 corrects the following
problems:
======================================================================
=======

CR 26102: IPX.
          A router configured with NetBIOS static
routes in a hub and spoke
          environment does not forward traffic.
These IPX encapsulated
          NetBIOS packets, which are broadcast from
spoke router to spoke
          router, are dropped because the network
address of the receiving
          interface is contained in the list of
network addresses resident
          in the packet.

CR 26690: Switched
Services.
          A fault condition in map_rem.c occurs if a slave router
receives
          a call via Dial Backup while a Primary Direct Mode PVC
line
          still exists. This condition causes the IP interface on the

specific Direct Mode PVC to remain inactive until you restart the

physical interface.    

CR 25480: IPX.
          A 16-character server
name in the IPX encapsulated NetBIOS packet
          can cause the name
matching routine to fail. 

CR 25968: TCP.
          Enabling and disabling
TCP may place the TCP connection
          in a closed state, from which it
never recovers.

CR 25291: MIB II.
          The ifEntry MIB object
contains two attributes, ifInOctets and
          ifOutOctets, which do not
contain the correct information when
          corresponding to a multiline
circuit where the circuits are
          on different slots. The value for
the ifEntry object should be
          the aggregate of both the
synchronous interface
          statistics contained in a multiline
interface. 

CR 26687: MIB II.
          While using the SNMP manager, the
MIB-11 attribute ifEntry.5
          (speed) does not return the aggregated
line speed of a
          multiline circuit.

CR 27489: Switched Services.

A bus error occurred after the primary circuit in backup mode is

terminated on the slave side.  

CR 27243: Loader.
          When unloading
run.exe and sh_ip.exe simultaneously from the same
          slot, the
router experiences the following error:

          Error: exception vector
2 - Bus error OR (2) Watchdog expired,
          service terminating.


This condition occurs after automgr.bat or autouser.bat is
          loaded
on a slot and the SHOW IP routes (embedded script) is
          executed
via a Telnet session. If the Telnet session if forced to

terminate prior to the completion of the SHOW IP routes script,

the slot configured for IP in the Telnet session faults.
          
CR
22142: IP.
          The router may generate an error in IP_rt_cache.c at
line 245 
          when you attempt to add IP routes.

CR 26637: IP.

FTP may hang when transferring data over slow links.

CR 26872: IP.

When you delete a circuit configured with IP and TCP, the router

faults when no other circuit on that slot is configured with IP.


CR 26943: DVMRP.
          Multicast storms occur when traffic arrives
over a tunnel that
          you have configured and there is no route
through which to
          transmit the traffic, or the traffic is destined
to be transmitted
          out the wrong interface. This condition should
cause the router to
          drop the traffic, but instead the router
floods the
          traffic out all interfaces, including the tunnel
itself. 

CR 27039: MCT1E1.
          If the router sends inverted data to
a QMCT1 and you reset the
          slot, the port will remain in a red
alarm state.

CR 27120: DLSw.
          SDLC tests on the DLS hurdle
consist of a BLN router connected
          to APPN HOST BLN via DLS over
Token Ring. SDLC cannot
          establish a link with DLS, causing all
three (3) SDLC-related tests
          on the DLS hurdle to fail. 

CR
27017: Switched Services.
          A router configured with a primary line
and a dial back-up line
          may cause Dial Backup to fail because the
secondary line may never
          dial the modem should the primary line
fail.

CR 27117: Switched Services.
          The dial backup master
configured on an IN router may fail to dial
          the modem on the
first attempt.

CR 27212: OSPF.
          The
wfOspfGeneralGroup.wfOspfPrimarySlot.0 can report the
          incorrect
primary OSPF soloist slot after OSPF bounces.

CR 27240: DECnet.

After configuring DECnet on the router, modifying any interface

parameter leaves the DECnet interface in a down state from which

it never recovers. 

CR 27045: FTP.
          The FTP command displays the
wrong command entries.

CR 25618: Technician Interface.
          When
issuing the SHOW CIRCUIT BASE command, the Technician
          Interface
enters into a loop condition in which it displays
          circuits on the
screen repeatedly until you intervene.

CR 25635: Technician Interface.

The SHOW CSMACD BASE CIRCUIT command does not list circuits if

you change the circuit name from its default name.

CR 27237: IPX.

IPX does not filter a network address of 0. For example, if the

source network address of a packet you specify is zero, and
          a
traffic filter is created for network zero, the router ignores

the traffic filter.

CR 27470: IPX.
          System performance
degradation may occur because the "lost route
          algorithm" was
executed unnecessarily.

CR 27055: IP.
          If the sending host sends
multicast data with the IP fragment bit
          set, the
IP-forward-to-IP-address filter does not retain the
          IP fragment
bit, and assigns different IP sequence numbers.

CR 26885: IP.

After booting the router, several OSPF routes were missing from

each slot, except for the OSPF soloist slot. During the route

update process, IP may have skipped over a group of routes

because its RNP queue was being modified before IP completed

processing all routes.

CR 25842: IP.
          Host entries may fail to
display when the wfIpNetToMedia MIB table
          is queried.

CR 27005:
OSPF.
          A router running router software version 10.00 code in an
OPSF
          environment in which all other routers run 8.12 code chooses
a
          higher path cost route. This may cause the router to use

non-optimal routing paths.
 
CR 27474: VINES.
         VINES experiences a
bus error when it unsuccessfully attempts to
         allocate a buffer and
then attempts to free the same
buffer.

-----------------------------------------------------------------------
-------
Revision 10.01/3 corrects the following
problems:
======================================================================
=======

CR 24365: DLSw.
          A new DLSw feature has been introduced
that will allow you to 
          enable or disable NetBIOS session alive
frame transmissions.
          Previously, a NetBIOS session would always
transmit session alive
          frames over DLSw every 30 seconds. These
session alive frames
          could cause lines to remain active
unnecessarily, possibly
          increasing the usage cost of the line.


          Use the Technician Interface to enable or disable NetBIOS
session
          alive frame transmissions. To enable the NetBIOS session
alive
          filter, stopping session alive frame transmissions,issue
the
          following Technician Interface command:

               set
wfDlsNetbiosSessionAliveFilter.1

          To disable the NetBIOS session
alive filter, allowing session
          alive frame transmissions, issue
the following Technician
          Interface command:
    

set wfDlsNetbiosSessionAliveFilter.2

CR 24662: LAN Bridge and Source Route
Bridge.
          If a router encounters a slot disconnect, all bridge
traffic
          generated between the affected slots will terminate. 

CR
25986: TCP.
          When a client issues a Telnet session to a network
address of
          which the router is a subnet, the router attempts to
establish a
          Telnet session, but the local memory allocated to
this process is
          never returned when the session ends. The log
clearly indicates
          the Telnet/TCP session initializing, but does
not indicate that
          the session has ended. As a result, a memory
leak occurs. 

CR 25956: IPX.
          The initiation of IPX RIP and SAP
updates are staggered so that
          SAP updates start after a time
delay of half the RIP update
          period. If you fail to configure
RIP, then the value used to
          initiate the SAP updates may be
incorrect, thereby preventing SAPs
          from being sent.
 
CR 21151:
DVMRP.
          In a route loop topology, the non-dominant router rejected
routes
          on the wrong interface.

CR 23779: DVMRP.
          In a
route loop topology, the non-dominant router accepted the

multicast data from its dominant router and deleted the cache

entry on the correct VIF, thereby causing DVMRP to fail.

CR 24985: DVMRP.

A nexthop address of 0.0.0.0 sometimes appears in the DVMRP

routing table, thereby causing DVMRP to fault.

CR None:  LLC.

The presence of the g_timer_get_read() variable caused the timer

to expire prematurely which led to the transmission of multiple

SABME's. This condition caused sessions to disconnect.

CR 23215: MIB II.

A problem in the router code causes indexing errors to occur
          in
Frame Relay direct mode PVC's. This problem affects network

management stations in particular, which are unable to correlate

IP addresses to their corresponding Frame Relay direct mode PVC's

in network management maps.

CR 26404: Switched Services.
          An
incorrect line in the router code causes a flag to be set
          that
erroneously indicates that the modem is down when it is 
          in fact
operational. 

CR 26441: BNX SWITCH.
          A T1 port can be suspended
in a loopback state. The only way to
          disable this state is to
bounce the port.

CR 26296: DLSw.
          A router configured on a Token
Ring network receives a test frame,
          which it sends as a CANUREACH
to the router's DLS peer. 
          The peer sends an LLC test poll
explorer frame as a single-route
          broadcast (STE) only. A MIB
variable has been created that allows
          you to send STE's or ARE's
(all-routes explorer frames) to each
          interface.

CR 26487:
DVMRP.
          The router will accept route updates from an unknown
neighbor
          provided the source IP address of the update resides on
the 
          correct network. DVMRP should not send route updates

before sending probe packets, and DVMRP should not accept route

updates from an unlearned neighbor.

CR 23695: DLSw.
          When you
deactivate the line from the host, and then reactivate
          it, the
DLSw connection to the controller does not come up. The
          log shows
the disconnect message transmitted out to the AN router,
          but
fails to show the router's response. To activate the line, you

must bounce DLSw on the remote AN.

CR 26222: SDLC.
          Bus error in
sdlc_disconnect_send_msg on slot 8 during scaling
          testing where
there were 12 primary SDLC devices per port on all
          ports. This
bus error would repeat every 3 to 20 minutes.

CR 26791: DVMRP.

The non-dominant router sends a graft upon receipt of a IGMP host

join message. This results in duplicate packets being forwarded

to the LAN.

CR 26825: DVMRP.
          Bay Networks routers do not accept
route updates from unknown
          neighbors. Because Cisco routers do
not send DVMRP probe messages
          over a tunnel, Bay Networks routers
will drop all route updates
          and multicast traffic transmitted
from the Cisco routers. A switch
          must be added to allow accepting
route updates from unknown
          neighbors.

CR 26853: DLS.
          A
recovery problem occurred after disconnecting/reconnecting the 

SDLC lines to the PU or the host on an SDLC-to-SDLC connection.

CR 26842:
MCT1.
          MCT1 module faults with multiple bus errors and fails to
recover
          when attempting to boot LN routers.

CR 23288: IGMP.

A fault occurs in igmp.misc.c when attempting to create a new

IGMP interface. 

CR 24875: Source Route Bridge.
          When the router
switches to the backup line and then later 
          switches back to the
primary line, source route frames get
          dropped.

CR 26885: IP.

After OSPF goes down one slot and comes back on another slot,

some IP routes may be missing on one slot (the old OSPF soloist

slot), and all other slots are pointing to the old OSPF slot as

the author of that route.
           
CR None:  Frame Relay.

Frame Relay-ATM network interworking required support allowing many

DLCI's to map to the same VCID.

CR 25885: DLSw.
CR 25929  A bus error
occurs when attempting to establish a DLS/SDLC
          connection to one
particular link station. This condition can be
          attributed to the
configuration of a duplicate local device.

CR 26593: DLSw.
          PUs
can fail to activate in a manner that results in
          NCP status code
PAPU2 after you execute a prescribed sequence
          of actions. This
sequence of actions can be cleared only by
          a NetView
operator.

CR 25849: SDLC.
          The primary FRAD inexplicably fails to
issue DISCs to all
          configured remote devices. For example, when
you configure 3 PUs
          with link station addresses 01, 02, and 03,
the FRAD initially
          sends DISCs for all three, but after all three
failed to respond,
          FRAD stops sending DISCs. Then when 03
eventually responded, the
          FRAD still failed to send a DISC for
it. Resetting the slot caused
          the FRAD to begin sending DISCs for
PU 03, but not for 01 and 02.

CR 26919: SDLC.
          In the below
network, PC3270 sessions fail to recover
          after disabling and
enabling the wfSyncEntry instance for the
          Frame Relay port on a
router configured with Primary SDLC
          ports. This problem occurs
because the remote/primary SDLC router
          does not send out the XID
null frames onto the Frame Relay line and
          the host/secondary SDLC
router does not send out a DISC request
          to the host after the
frame relay port on the host router notices
          that the primary
router stops polling the host router. 
  
                  host
remote
          host -- sdlc -- router --- FR 1490 --- router -- sdlc --
PCs

CR None:  SNMP.
          When setting multiple VARs in one PDU that
includes display
          strings, the SNMP agent sets the value of the
strings to the
          correct length, but truncates the last three to
four bytes.

CR 26192: MIB.
          The configuration file for the ASN
router (ti_asn.cfg) supplied
          with all versions of 10.00 (rel
through 10.00 rev4) has a 9.00 MIB
          version.

CR 26364: APPN.

You cannot enter a host name consisting of 17 characters
          when
issuing an APPN ping at the Technician Interface prompt.
          You
should be able to enter up to 17 characters for an APPN
          host
name.

CR 25123
CR 23427: DLSw.
          A bus error occurred in dls_flow_tcp_busy after disabling DLS
          on a remote router. The remote router
is a BCN. The BCN's SDLC
          lines are configured as Primary. This
error occurs if there is no
          configured slot IP address in
DLS.

CR 27063: DLSw.
          The router generates the following log
message too frequently:

          "received an SSP command in TCP local" 


CR 27087: IPX.
          An ARE router constantly resets when IPX is
configured within any
          ATM Service Record. The problem has been
seen in both a PVC and
          LANE configuration where IPX is configured
on the ARE and at least
          one other slot on a BLN or BCN router.


CR 26440: DataPath.
          Successive attempts to disable and
re-enable Learning Bridge
          causes the router to eventually fault
because of insufficient
          memory. This problem stems from a memory
leak in the routine
          dp_cc_op_act.

CR 26924: DLSw.
          The
router code corrupts DLSw data packets during periods in which

the buffer depletes its memory. The packets become corrupted when

the 16-byte DLSw data frames get inserted between the end of the

TCP header and the start of the DLSw data. This condition causes

the receiving routers to experience tag violations.

CR 27140: IP.

A problem occurred when routers running OSPF learned the same

external network with two different masks (the more specific mask

learned by RIP being injected into the OSPF cloud; the less

specific mask via a static route). Then when the RIP network is

disabled, the more specific route gets flushed out of the
          OSPF
lsdb, and IP points to a disabled interface as the next valid 

hop.

CR 26129: MIB.
          Problem occurred when attempting to open an
8.12 config file
         (with a MIB stamp of 8.10) with SM 4.01/rel in
local mode. Problem 
          exists on both PC/Windows and UNIX SM
platform. 

          Added support for the following IPX MIB attributes to
ensure
          backward-compatibility for the Site Manager IPX MIB.


wfIpxBaseNetSizeBoundEn 

          Allows you to enable or disable the
maximum allowable size of the
          network table.


wfIpxBaseMaxNetTblSize 
          
          Allows you to specify an
integer that determines the maximum
          allowable size of the network
table.

          wfIpxBaseNetTblFillNotify
          
          Allows you
to specify an integer from 1 through 100 that
          notifies you when
(configured) percentage is reached.

CR 20940: Redundancy.
          A
router experienced a bus error when Router Redundancy received

corrupted frames and attempted to process the frames as multiple 

Router Redundancy PDU fragments along with SNMP frames.

CR 26268: BNX
Switch.
          Congestion control was not setting FECN and BECN on
trunks

correctly.

--------------------------------------------------------------------
----------
Revision 10.01/2 corrects the following
problems:
======================================================================
========

CR 26969: DLSw.
          Test polls generated by running a TCL
script in a dual switch
          DLS network causes the router to fault
with tag
violations.

-------------------------------------------------------------------
----------
Revision 10.01/1 corrects the following
problems:
======================================================================
========

NOTE: Revision 10.01/1 incorrectly referenced CR 25249. The
correct CR 
      number is 24249, as documented in the 10.01/1 revision
notes.
-------------------------------------------------------------------------
----

CR 23065: IP.
          Attempting to boot an ASN router configured
for IP host-only may
          cause a tag violation to occur.

CR 25483:
Switched Services.
          The router fails to redial if the first
connection attempt times
          out before the DCE asserts DSR, but
after receiving a connection
          indication (CNX) from the DCE.

CR
26247: APPN.
          APPN attempts to connect to a link station 10 times
(its fixed
          limit) before it times out. This problem occurs with
APPN over
          SDLC when SDLC tries to bring up the link station 10
times before
          timing out and alerting APPN. If APPN reaches its
limit of 10
          retries, it deletes the link station. 

CR 26452:
GAME.
          A g_fwd may fail before the slot has discovered that the
remote
          slot has gone down. This results in a panic as the sending
slot
          thinks the remote slot should have received the buffer
because
          it is still in its slot mask.

CR 25591: Translation
Bridge.
          RIF entries on a Token Ring segment may fail to age
properly. 


CR 24346: Translation Bridge.
          Disabling the
Translation Bridge base results in bus errors when
          transferring
files back and forth to an end station on an
          Ethernet segment
from an end station on a Token Ring segment while
          multiple SRF's
are being received simultaneously.

CR 18837: BOOTP.
          In a
multinetting environment, the router chooses the last address

added to the multinetted interface as the BOOTP gateway. If you

disable BOOTP for that address, the router continues to use this

address as the BOOTP gateway instead of selecting the next

address in the network configuration as the new BOOTP gateway. 

CR 25126:
MCT1E1.
          The Munich driver mail may fail to transmit all frames,
except
          interrupt queue frames on the priority queue. This problem
occurs
          only on logical lines with high error rates.

CR 24714:
OSPF.
          When you configure two AN routers across a synchronous
interface
          with a MTU size of 4608, OSPF adjacencies can take up
to 20
          minutes to form. The AN router receiving the Data Base
Description
          packets remains in the loading state while the router
sending this
          information will be in the full state. 

CR 19711:
Scripts.
          The SHOW HARDWARE SLOT command generates too many
columns on a 
          screen, causing Link Serial Number of 1346 wraps on
an 80 column
          display down to the next line. For example:


[1:1]$ show hardware slot


         Hardware Information per Slot

-----------------------------                   

Slot    Processor
Processor  Processor     Link         Link       Link   
        Module
Revision   Serial No.    Module      Revision   Serial No
------  -------
---------  ----------  ------------  --------   ------
   1    Access Node
129      00000542   module#1045   2147483777  134
 6

CR 19688: DLSw.

DLSw drops non-NameQuery/NameRegisterNetBios broadcast frames that

a router receives in a short interval because of the nature of its

caching system.

CR 22792: IP.
          Within IP traffic filters, for any
rule that has a log action, 
          the router logs an entry. Only the
rule with the highest
          procedure should be performed.

CR 23340:
LLC.
          The router may fault with the following error during a test
poll
          storm:
          
                "Error in Buffer.c at line
157"

CR 24142: IP.
          The router faults after receiving corrupted
ICMP packets that have
          an IP length that exceeds 65,000
bytes.

CR 25569: DLSw.
          A Windows NT/NetBIOS session may randomly
fail to establish through
          DLSw whenever the server and the client
pick up the same local
          session ID for the session they are
attempting to establish.

CR 25656: GAME.
          The first day of each
month the clock on the AN router shifts by
          one extra day. As a
result, the Frame Relay circuit on the router
          disconnects,
preventing the router from sending LMIs to the
          switch. This
condition also has caused the clock to stop
          temporarily.

CR
24249: FRE-2.
          If you plug an incorrect console cable/connector
into the SRML
          module of a running BN router, the LED's located in
the front of
          the FRE's suddenly stop blinking, indicating that
the router is
          inoperable. The lights resume normal operation when
you remove
          the console connector.

CR 25844: DLSw.

Playing a test poll storm in a dual switch configuration
          causes a
watchdog to occur on the adjacent router.

CR 24048: LNM.
          An IBM
LAN Network Manager station intermittently fails to
          establish a
link to a Token Ring interface. This situation occurs
          only when
the Token Ring interface was previously linked and then
          unlinked
from another LNM station.  

CR 24049: LNM.
          When unlinking an IBM
LNM Manager from a Token Ring interface,
          the router generates
incorrect LNM link status for the MIB variable

wfLnmInterfaceEntry. When you unlink the LNM station,
          the LNM
link status should reflect a "nil" value, rather than
          retain the
previous MAC address of the IBM LNM Manager station.

CR 25418: DLSw.

When you issue a "get wfDlsSlotEntry.*.5" command from the

Technician Interface, the router generates invalid information

for the MIB variables .wfDlsCurrentMemory and .wfDlsHiWaterMark.

CR 25805:
NVFS.
          Compacting Series 2 Flash cards (especially Epson Seiko
Flash
          cards) can occasionally corrupt file systems. 

CR 25956:
IPX.
          IPX may stop sending IPX SAPs if you have not configured IPX
RIP.

CR 24311: IPX.
          If IPX tries to send IPX update messages to
busy slots, it may
          fault because of a g_fwd failure.

CR 25867:
DLSw.
          A router running with hundreds of DLS connections may fault
with
          the following error because a buffer is being freed
erroneously:

          "Error in Buf.float.c at line 114"



CR 24821: X.25.
          When X.25 processes a connect indicate and you
have not enabled the
          flow control negotiation parameter, X.25
rejects all facility
          code. The flow control negotiation parameter
is limited to
          packet and window size only.

CR 26107: Frame Relay
Switch.
          Excess burst is not being calculated correctly, causing
frames
          that exceed excess burst to be dropped at the ingress;
the
          data does not exceed excess burst. Excess burst

uses the large default that should never be exceeded.

CR 26139/
   25737:
Frame Relay Switch.
          When one Navtel is configured to send packets
at 256 bytes, and the
          second Navtel has a packet size of 32 or
lower, the traffic
          stops. Traffic resumes when the packet size is
increased to a 
          value of 64 or higher.

CR 26118: Frame Relay
Switch.
          When creating multiple mappings for the MIB attribute

wfCctOptsCngcEntry, the first map fired and deleted all the

structures and the second map tried to use invalid memory. This

caused a tag violation to occur.

CR 25846: OSPF.
          After OSPF's
Dykstra algorithm runs for 65,535 tries, OSPF faults
          with the
following message: "LSA in UNEXPECTED STATE". 

CR 26163: MCT1E1.

When selecting an unused QMCT1 or DMCT1 interface in Site Manager,

the Link Module Fail LED lights up. When you reboot the router,

the fail LED's on both the QMCT1 and Dual MCT1 link modules turn

off.

CR 25900: MCT1E1.
          On a router configured with IP over PPP,
with 64-byte packets
          using one slot with 48 logical lines, the
QMCT1 is unable to
          utilize 85 percent of the 128K line.

CR
26230: DLSw.
          If SDLC secondary disconnects, and the router
reaches a
          CANUREACH state during this period, DLS never
reestablishes.

CR 25351: DLSw.
          When a DLS MAC entry is cached
(for example, when a test poll was
          received from that MAC
address), creating an instance of
          wfDlsDefaultMacEntry for that
MAC address may cause the router to
          fault.

CR 20516: LLC.

Disabling a DLS interface on a Token Ring network while it is

transmitting and receiving DLS traffic causes a watchdog timeout

to occur in llc.

CR 21715/
   22160: DLSw.
          A watchdog timeout
occurs in DLS after disabling the DLS base
          record. If you have
multiple SAPs configured (for example, all 127
          possible SAPs), DP
takes too long to deregister SAPs when DLS
          shuts down. 

CR
23591: DLSw.
          Establishing a DLS over SDLC connection may take a
long time
          because of a delay in the transmission of
CANUREACH.

CR 24959: MCT1E1.
          When listing the instances of the
MIB variable
          wfDs1E1BertStatsEntry, the listing succeeds
intermittently for
          port 1 but fails to succeed for subsequent
ports.

CR 25119: MCT1E1.
          When a primary clock is lost on a
QMCT1, the router fails to
          initiate the secondary clock on port
3.

CR 25255: Hardware Compression.
          The driver faults when it
mistakenly determines the state of the
          rings as hung when the
rings are functioning properly.

CR 25096: MCT1E1.
          The QMCT1 port
1 primary clock was changed to an external clock.
          However, there
is no external clock connected. Therefore, 
          port 1 clocking
should revert to the secondary clock but does not.

CR 24161/
CR 25120:
Bisynchronous.
          The Bisync/BOT code does not handle a DLE-DLE
combination 
          correctly within transparent text.

CR 23255:
DataPath.
          When running a bridge storm (bridging loops without
Spanning Tree),
          a slot may reset with an "out of memory" error or
a watchdog timer
          error.
          
CR 25443: FDDI.
          A
hardware problem can occur when the state of a protocol is

"down", but the state of the interface is "up". If you monitor the

FDDIEntry, the Tx stats continue to grow while the Rx no longer

increments. If you perform a packet capture on Rx on this

interface, the trace will show that packets are being received,

but unacknowledged. This condition can be caused by hardware

corrupting information in the Ring Descriptors, which causes the

interface to hang and never recover.

CR 25473: DLSw.
          Link
stations do not recover when a Frame Relay cable is 
          disconnected
and connected again.

CR 24918: GAME.
          A new Autosave log feature
has been implemented on LN routers
          that allows users to
automatically save the log to the Flash card
          or floppy drive when
the log is about to wrap. This new feature
          prevents the log
information from being lost.
    
          You can enable the Log Autosave
feature from the Technician
          Interface only.

          The Log
Autosave feature requires that you set two new attributes
          in
wfSerialPortEntry object: wfSerialPortAutoSaveNumFiles and 

wfSerialPortAutoSaveVolume. The wfSerialPortAutoSaveNumFiles

attribute allows you to specify a value that determines the number

of times a log will be saved when it wraps. Specifying a value of

0 disables the feature; 0 is the default.
 
          The
wfSerialPortAutoSaveVolume attribute allows you to specify
          a
volume number ("2:"), or a volume name ("a:"), which determines

where you want logs to be saved. Specifying a colon after the

volume or volume name is optional.

          On a BN platform, there is
only one instance of the
          wfSerialPortEntry object. Therefore, you
will need to specify the
          attributes described above for this
instance.

          On an ASN platform, there are 4 instances of
wfSerialPortEntry,
          each corresponding to a possible slot. You can
configure the
          feature on only one of the instances corresponding
to an existing
          slot.

          On an LN platform, there are also
4 instances of wfSerialPortEntry.
          Enable the feature on the first
instance, which should correspond
          to the console port
(wfSerialPortEntry.wfSerialPortName.1 =
          "CONSOLE").


The log gets saved in a file named "auto.log", where  is a

number from 1 to the number you specify in

wfSerialPortAutoSaveNumFiles.

          The logs will be saved until the
number of logs reaches
          wfSerialPortAutoSave\NumFiles, or until
the Flash card or floppy
          drive is full.

          Wrapping a log
on any slot automatically saves the log. 

CR 25335: DVMRP.
          A
watchdog error can occur in DVMRP if some DVMRP interfaces are

being dynamically configured while other DVMRP interfaces are

learning multiple routes.

CR 25499: DLSw.
          After activating flow
control, traffic flow of the remaining
          unsent frames will be
sluggish after the traffic congestion
          is rectified.

CR 23216:
SDLC.
          When deleting a primary SDLC circuit and then reconfiguring
it,
          DLS connections will not recover.

CR 25065: AN2.

An enhancement request has been issued to allow non-Token Ring AN

routers to support buffer sizes similar to the Token Ring AN's.
          

You can set buffers sizes on non-Token Ring AN routers to 1824 or

4800 bytes. This setting will be saved in NOVRAM and will be read

in at boot time.

          Buffers can be carved by issuing the following
set commands from
          the Technician Interface:
   
           set
wfKernCfgParamEntry.wfKernCfgParamDelete.1 1
           set
wfKernCfgParamEntry.wfKernCfgParamBufSize.1 4800 (or 1824)
           set
wfKernCfgParamEntry.wfKernCfgParamDelete.1 2
           commit

reset 1

           To return to the default buffer sizes, enter the
following
           set command from the Technician Interface:
   

set wfKernCfgParamEntry.wfKernCfgParamBufSizeReset.1 1 ; commit


*** We recommend that you follow the above steps in the order in

which they appear. We also recommend that you delete

instances of wfKernCfgParamEntry before saving the config.

This process is similar to carving local/global memory

partitions.  

           When you set
wfKernCfgParamEntry.wfKernCfgParamBufSize.1, the
           buffer size
gets saved to NOVRAM. At boot time, this setting
           determines the
buffer size.

CR 23172: IPX.
          IPX accepts broadcast packets with
an incorrect destination
          address and tries to forward them.

CR
25212: Frame Relay.
          Access Circuit does not recover after you
pull a cable out and
          plug it back in when the management type is
NONE.

CR 24049: LNM.
          When issuing the SHOW LNM LINKS command or
viewing the MIB
          (wfLnmInterfaceEntry) for LNM, the router
displays incorrect
          information about LNM link status after
unlinking an IBM LNM
          station. 

CR 23288/:IGMP.
CR 23783  A fault
occurs in igmp.misc.c when attempting to create a new
          IGMP
interface. 

CR 25742: Frame Relay Switch.
          A typographic error
occurs in the translating tool, add2base. The
          second description
for each time unit should be Tx not Rx. For
          example, for time
unit 13, the description should be
          StatsDcLbcTxMaxDelta13 not
StatsDcLbcRxMaxDelta13!

          Circuit (cct) number 8 (0x8)

StatsDcLbcRxMaxDelta13 448
          StatsDcLbcRxMaxDelta13 508
<-----
          StatsDcLbcRxMaxDelta14 448

StatsDcLbcRxMaxDelta14 508        <-----

CR 25399: Frame Relay Switch.

The add2base tool did not comply with channel assignment

requirement.

CR 25777: DLSw.
          A session cannot be re-established
after disabling and 
          then enabling DLS on an interface.

CR
25727: Frame Relay Switch.
          The DE bit has not been set properly
after the circuit has been
          idle for a while. A Frame Relay
circuit is up and passing traffic
          and traffic is stopped for a
period of time. When traffic resumes
          at line rate (128k) and CIR
is set low (10k), a certain
          amount of traffic will be passed
before the DE is set. The amount
          of traffic allowed through
before setting DE is directly
          proportionate to the amount of time
the circuit is idle.

CR 24378: OSPF.
          When the OSPF backup
soloist transitions from backup to primary,
          OSPF neighbors may
time out.

CR 25820: TI.
          Running install.bat script displays the
option of 'QMCT1_RJ48'.
          This is not a supported link module. 

CR
25557: LB.
          A problem exists in which packets bridged from FDDI to
Frame Relay
          are being corrupted. The router is incorrectly
modifying the
          Ethertype to an invalid and different value for
every
          bridge packet transmitted from the FDDI. The receiving
router does
          not understand the Ethertype so it drops these
frames.

CR 25647: Frame Relay Switch.
          The Status Enq. on a Frame
Relay Switch circuit configured for
          bi-directional polling will
drift past the polling interval when
          the slot is experiencing
heavy traffic volume.


CR 25592: IPX.
          A bus error occurs when
enabling and disabling IPX globally on a
          router with a large RIP
and SAP table.

CR 25539: IP.
          After configuring an OSPF Announce
policy range, disabling the
          interface will cause OSPF to change
the LSDB to announce the last
          address set in the range.

CR
25830: Frame Relay.
          When setting
wfCctOptsCngcEntry.wfCctOptsCngcCfgHwtxQThreshold to
          a value
greater than the value of the

wfLogicalLineEntry.wfLogicalLineCfgTxQueueLength, the following

MIB does not get set to that value:


wfCctOptsCngcEntry.wfCctOptsCngcHwtxQThreshold

CR 25822: Frame Relay
Switch.
          Configuring the Statistics Data Collector to run on a a
switch
          caused a bus error to occur.

CR 25460: SYNC.
          A
buffer leak may occur on a slot in which priority queuing and

BOFLs are enabled and the synchronous interface is in a down state.
 
CR
25480: NetBIOS.
          A router configured with NetBIOS static routes
may not forward 
          packets correctly because of a timing problem
that causes a host
          entry to be created with the wrong slot
information.

CR 26564: DLSw.
          Specific DLSw gates will
incorrectly increase their memory
          consumption each time you
establish a session involving non-NULL
          XIDs through the
router.

CR 26537: DLSw.
          An orphan buffer occurs when a DLS
connection disconnects and
          then attempts to reestablish itself.
The DLS disconnection can
          be caused by disabling and reenabling
TCP, DLS, or physical
          circuits. 

CR 26748: OSPF.
          An
OSPF bus error occurs on routers that contain multiple
          flopping
OSPF point-to-point links.

CR None:  IPX.
          An orphan buffer error
occurs as a result of encaps failure.

CR 25525: MCT1E1.
          Removing
the cable does not report 'Loss of Signal' in the
          expected
threshold. 

CR 25925: Frame Relay Switch.
          After resetting the
slot on a Dual MCT1 and QMCT1 that contain an
          external clock, the
slot uses the secondary clock (internal)
          rather than the primary
clock (external). The slot should 
          use the primary clock because
it is still operational.

CR 25847: MCT1E1.
          When hotswapping
(specifically when putting it back in) the QMCT1
          in slot 2 on a
BCN router while under load, the router
          faults and fails to
recover.
 
CR 25924: Frame Relay Switch.
          Under certain conditions
a logical line on a port with 12 logical
          lines stops receiving
packets and receives no interrupts.

CR 21181: SDLC.
          When you
disable SDLC globally, the MIB attribute wfSdlcDisable
          is set to
2, but SDLC continues operating.

CR 25679: SDLC.
          Disabling the
SDLC base does not disconnect an SDLC session; it
          remains
operational.

CR 22101: OSPF.
          The outcome of applying an Accept
Policy filter is not used when
          submitting an external route to
IP.

CR 24731: Switched Services.
          When the dial-on-demand
inactivity timer elapsed, IP shuts down
          on a WAN interface and
fails to recover.

CR 25988: Frame Relay Switch.
          RCN time delta
value overlap will cause problems with billing
          systems. The TIME
DELTA for the switch RCN file is set for 24 hours
          (or 8640000).
Because the start time is also at midnight, there
          will be a
overlap or .0001 second if each file is created at
          midnight and
the time delta is always 24 hours (or 8640000).

CR 25960: BNX Switch.

wfDs1E1PortLoopbackState does not change when the 

wfDs1E1ConfigLoopbackConfig attribute is set to lineloop(3) or

payloadloop(2).

CR None:  HSSI.
          This attribute determines how
many seconds to wait before
          transitioning to the Carrier Lost
state when the Carrier Signal
          is lost. When set to 0 (default),
the Driver immediately
          transitions to the lost state upon
detecting Carrier Loss. If
          the Carrier Signal returns before
reaching this threshold,
          the Driver fails to enter the Carrier
Lost state.


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