Revision Notes for Router Software
v11.03 Rev 3
=============================================================================
SITE MANAGER COMPATIBILITY
=============================================================================
Router Version is managed by Site Manager version
v11.03 revision 1 --------------------------> V5.03, V5.03 rev1
v11.03 revision 2 --------------------------> V5.03, V5.03 rev1
v11.03 revision 3 --------------------------> V5.03, V5.03 rev 1, rev 3
=============================================================================
Revision 11.03/3 corrects the following problems:
=============================================================================
CR 24390: ATM.
An MCP may occur after dynamically changing a Hybrid Mode PVC on an
ATM interface.
CR 26774: ATM.
A router running LANE crashes with an MCP error after losing and
then regaining signalling.
CR 28218: IP.
A fault will occur after a route with an invalid subnet mask is
added to the route table and then a subsequent route in the same
range is submitted.
CR 28589: BootP.
If you configure DHCP on a multinetted interface, the last IP
address configured should become the DHCP gateway. If you reboot the
router, the last configured IP address is no longer the DHCP
gateway. Instead, another IP address on that interface becomes the
gateway.
CR 28639: APPN.
To use a Default DLUS name for link stations that are not defined in
the APPN Adjacent Link Stations table, you must define both the
Default DLUS name and the Backup Default DLUS name. This feature
should work with only the Default DLUS name specified.
CR 29307: APPN.
When you have Dependent (PU2.0) devices in session and enter the
command "appn show dlur route," garbage is displayed in the route
field.
CR 31528: IPEX.
When configuring IPEX mapping sessions for the X.25 gateway, the
source circuit and source type are not being set.
CR 32070: Dial-on-Demand.
In a configuration where AURP runs over a Dial-On-Demand line with
WCP configured, packets may be lost, causing loss of IP
connectivity.
CR 32142: IP.
A counter problem causes wfIpInterfaceCacheNetworks to show a larger
value than wfIpInterfaceFwdCacheSize. wfIpInterfaceCacheNetworks
should never be larger than wfIpInterfaceFwdCacheSize.
CR 32624: Technician Interface.
In User mode, the Read and Read/Write Communities can be viewed.
Only the Read communities should be visible.
CR 32662: Technician Interface.
If you run diagnostics for certain link modules (for example, Octal
Sync, 100 Meg ethernet, or MCT1), a bus error occurs. The following
conditions must be met to cause the error:
1. The link module is the first to be installed in that slot.
2. The FRE card must be installed first and have already completed
its boot process.
CR 32997: IP.
When a Token Ring interface receives a segmented IP packet that
was incorrectly routed to it, the interface fails to send a second
packet to the next correct hop.
CR 33453: LAPB.
LAPB retransmits already acknowledged X.25 packets, causing
the X25 switch on the other side to reset the LAPB session between
the X.25 switch and the router. This causes X.25 virtual circuits to
be reset and IP circuits over those virtual circuits to come down.
CR 33530: Telnet.
An outbound Telnet session may hang and then freeze up the entire
Technician Interface session.
CR 33681: LNM.
When you run any show lnm command, the lnm.bat file does not
terminate properly.
CR 34236: SYNC.
Configuring a dial backup line using async PPP with Hayes modem on a
DSNM causes a bus error.
CR 34254: DLSw.
The log message for a negative CAPx message shows an offset of 0 for
certain CAPx errors.
CR 34258: IP.
This is an enhancement request provide the ability to display the
total number of IP routes per slot for all slots. Use the command
"ip routes -O -s#" (where # is the slot number). If you do not enter
a slot number, all slots are displayed.
CR 34487: PPP.
If you have multiple PPP circuits on the same slot configured for
LQR, a race condition may occur when the circuit states change,
causing a bus error.
CR 34511: Translation Bridge.
Configuring translation bridge dynamically over TR LANE causes an
Exception Vector 2 MCP error on an ARE. The same error occurs if you
bounce a service record which contains a translation bridge
configuration.
CR 34595: Router Redundancy.
When you add multiple resources to a backed-up interface, only the
first resource is checked.
CR 34746: QLLC.
After modifying the QLLC map several times on an upstream router
(with no more than a minute separating the modifications), a bus
error occurs on the downstream router.
CR 35096: SDLC.
SDLC does not properly interoperate with the AS/400 high
speed line controller. SDLC should support "Flag Streaming" between
frames while holding the Poll/Final bit, and then revert to Idle
fill after the RR or last I-Frame returns the P/F bit to the AS/400.
Added the following MIB parameters: wfSyncEntry.wfSyncForceIFTF
(sync.mib) and wfLogicalLineEntry.wfLogicalLineIFTF(ds1e1.mib)
CR 35177: DLSw.
BayRS is not fully compliant with RFC 1434 or RFC 1795 when
operating with two half-duplex TCP connections. Added the
wfDlsPeerInteroperability field in wfDlsPeerEntry
object, which can take 2 values: enabled/disabled.
CR 35181: ASN.
When you boot an ASN that used to contain an MCE1 link module
with an MCE port configured, bus errors or tag violation faults
occur.
CR 35414: IP.
In a multiline setup with three or more lines, if one of the lines
goes down, the router may fail to resolve the far-end host address
via ARP.
CR 35570: PPP.
The PPP header size is incorrectly included in the calculation for
determining the maximum frame size
(wfIpxCircEntry.wfIpxCircLocalMaxPacketSize).
CR 35611: BGP.
A VBM error may occur if BGP adds a new route while running on an
ATM interface.
CR 35751: OSPF.
An ABR will not originate a new type 3 summary in the non-backbone
area if another summary with the same LSID already exists in that
area. The existing type 3 summary may not be valid.
CR 35878: DLSw.
DLSw interoperability fails with non Bay Networks routers
running RFC 2166.
CR 35985: SDLC.
A DLSw connection does not recover properly after the SDLC line is
brought down while in flow control.
CR 35992: ATM.
When an LE_ARP request is sent to an ATM interface on the router,
and the request is for the Group LAN ID of the source route bridges
in the network, the router fails to respond.
CR 36052: OSPF.
A problem exists in OSPF where under certain configurations, it will
summarize a summary advertisement that is based on a stub network
that is down. When the stub network goes down, OSPF fails to flush
the summary generated based on the stub.
CR 70923: DECnet.
DECnet adjacencies are aging prematurely because hello packets are
being missed. Because of a timing problem, the router believes that
three hellos have been missed instead of just one.
CR 71025: DLSw.
An orphan buffer may occur if TCP is unable to transmit a buffer
from DLSw after it is restored to DLSw.
CR 71080: IP.
IP traffic filter with log and deny actions will send a message to
the router log even if there is a match on another traffic filter
higher in the list.
CR 71175: Switched Services.
If you have backup circuits configured, setting the schedule
parameter to any valid value has no functional effect. When the
primary circuit fails, the backup circuit is activated, regardless
of the configured time/day. This occurs only when the Availability
Mode parameter is set to Not Available.
CR 71443: IPX.
The router may experience a bus error when a host sends a RIP
request or SAP request using a source socket of 9001 (NLSP).
CR 71517: IPX.
If a static route is added after a learned route with a better cost,
the static route is never added to the table. When the learned
route ages out, the static route does not take effect.
CR 71769: Source Route Bridge.
An SRF received on a source routing interface does not get sent out
over the IP Encaps cloud after a panic or bounce of IP.
CR 71975: DLSw.
DLS connection is not recovered after granted units counter reaches
zero, which is a protocol violation.
CR 72074: X.25.
If X.25 receives a disconnect request from the local interface and
then receives a disconnect from the remote interface through IPEX,
the VC may remain in an operational state and never be cleared.
CR 72328: IP.
If you delete an a 10Meg Ethernet interface that is receiving
traffic, and then re-add the interface with IP, the router
terminates operation.
CR 72468: DVMRP.
A router running DVMRP may deliver multicast packets to an
application out-of-order.
CR 72565: Switched Services.
You cannot manually activate a standby circuit when Bandwidth-on-
Demand is enabled on a demand circuit.
CR 72633: VINES.
When a VINES client sends a broadcast request, all servers respond.
The client connects to the first server and then sends a disconnect
message to the other servers. When the VINES client sends the
disconnect message, the VINES interface on the router performs
intensive processing for the forward cache and the slot where the
client resides experiences a Watchdog fault.
CR 72792: LLC.
When an LLC interface is disabled, a panic may occur after 30
minutes instead of after one minute if the router is having resource
problems.
CR 72996: ISDN.
SPID is not registering after TE1 loss because two SPIDS are sent
out of order.
CR 73592: VINES.
A router does not properly update the VINES routing table after it
receives a redirect packet.
CR 73764: IP.
The router is dropping IP packets after ARPing for a destination’s
address.
CR 73793: DLSw.
The problem occurs with the following configuration: DLSw and SDLC
configured as a single switch with a PU2.0 3174 controller. If the
upstream or host side issues a disconnect message followed by an
immediate XID poll five milliseconds later, the XID poll resets the
internal LLC connection from state "HALT_PENDING" to
"CIRCUIT_PENDING." The SDLC side proceeds to disconnect while the
LLC side proceeds to the connected state. The connection remains
hung with SDLC showing a state of CONTACT_PENDING, and LLC showing
"CONNECTED" and no data flow. This results in an interoperation
problem with the 5745 Enterprise Server.
CR 74189: VINES.
A router running VINES does not reply to a request for Check
Neighbor from a server running on NT. The VINES Server waits for a
response and then resends the request until a timeout value is
reached.
CR 74931: ATM.
An ATM interface stops transmitting or intermittently transmits if a
router is connected to an ATM switch that supports OAM. This
problem occurs if the remote end of a PVC is brought down.
=============================================================================
Revision 11.03/2 corrects the following problems:
=============================================================================
CR 26589: OSPF.
When you globally reset OSPF, a bus error may occur. The error
occurs because the OSPF primary receive gate is holding an excessive
number of buffers while it is waiting for buffers to be allocated to
send to the secondary gate.
CR 35021: OSPF.
The ignore action of an OSPF accept policy does not work.
CR 72873: OSPF.
When you modify a router ID, more than one type 2 advertisement gets
installed in the database. When the old advertisement is aged out,
the route is removed, but no route is installed in the routing table
for the new type 2 advertisement.
CR 36052: OSPF.
A problem exists in OSPF where under certain configurations, it will
summarize a summary advertisement that is based on a stub network
that is down. When the stub network goes down, OSPF fails to flush
the summary generated based on the stub.
CR 35611: BGP.
If you are running BGP on an ARE, BGP faults when you try to add a
new route.
CR 71779: IPX.
IPX route filters do not work if multiple filters with
different priorities are configured on a circuit.
CR 35570: PPP.
The PPP header size is incorrectly included in the calculation for
determining the maximum frame size
(wfIpxCircEntry.wfIpxCircLocalMaxPacketSize).
CR 35414: IP.
In a multiline setup with three or more lines, if one of the lines
goes down, the router may fail to resolve the far-end host address
via ARP.
CR 35887: OSPF.
When you use an OSPF Announce Policy filter to aggregate a range of
external networks, the aggregated LSA may constantly refresh if a
network within the range is unstable.
CR 36065: ATM.
A VBM error occurs when the remote end of a PVC comes up with ATM
switches that support OAM signals.
=============================================================================
Revision 11.03/1 corrects the following problems:
=============================================================================
CR 34737: QLLC.
When you attempt to establish a connection using QLLC and the X.25
connected device is down for an extended period of time, the router
continually attempts to open an X.25 VC and QLLC holds onto buffers
until a bus error occurs. After the bus error occurs, X.25 will not
attempt to open a VC until X.25 is bounced, or the slot is reset.
CR 35911: OSPF.
An AS External Route may fail to be installed into a routing table
if a more specific route with the same address exists. For example,
10.4.0.0/255.252.0.0 would fail to install if 10.4.0.0/255.255.255.0
existed.
CR 35401: QLLC.
A buffer leak occurs when an X.25 call is repeatedly made and
cleared on behalf of QLLC requests to establish a session to a
remote X.25 site, which clears the X.25 calls as it receives them.
CR 35704: QLLC.
When a QLLC/X25 end station receives a QUA in response to sending
out a QDISC, the QLLC/X25 end station may not clear the X.25 call
upon receipt of the QUA. This causes the QLLC connection not to
re-establish because the QLLC router side expected the receiver
of the QUA to clear the call.
CR 36062: DLSw.
An orphan buffer may occur when a DLSw connection is terminated.
CR 35798: BGP.
If you have multiple BGP connections to the same router and the "BGP
Collision Detect" parameter is set to "Disable," the router drops
one of the connections and logs a message stating that the
connection was dropped because one exists.
CR 71767: AppleTalk.
An AppleTalk interface on an ARE may experience a VBM error when
aging networks. This occurs in an environment where there are both
extended and non-extended networks.
CR 71423: QLLC.
Upon receipt of an X.25 clear call response, the router may not
clean up the QLLC connection. This causes the QLLC connection to not
be reestablished.
CR 27053: X.25.
X.25 service records stop receiving and transmitting traffic under
congestion situations.
CR 34423: X.25.
When a router recovers from congestion, it sends an X.25 RNR packet,
but may fail to generate an X.25 RR packet because it is waiting for
another part of a fragmented packet.
CR 35428: DLSw.
When you run NetBIOS over DLSw Version 2.0, a panic may occur in
dls_utils.c as a result of a race condition when establishing
connections.
CR 35649: DVMRP.
35650: This is an enhancement request to add a log message indicating that
the state of a DVMRP circuit has changed.
CR 31861: Compression.
When you run sync passthru over MLPPP with compression, bus errors
and/or tag violations may occur.
CR 33353: Frame Relay.
Source route bridging will stop forwarding packets when you
dynamically change hybrid mode on a frame relay permanent virtual
circuit (PVC). To correct the condition, you must reset the sync
interface.
CR 34298: ARE.
If you telnet to a circuitless IP address on an ARE and run various
Technician Interface processes, VBM errors may occur.
CR 35525: DLSw.
If you boot a router that has DLS Protocol Priority globally enabled
and there is an ARE in the router, an exception vector-2 MCP may
occur.
CR 35571: DLSw.
A router cannot establish a DLSw session if that router
has two peers that are terminated on an FDDI port.
CR 27745: DLSw.
35204: When you reset an IP interface on a DLSw router, a bus error occurs.
CR 32879: IP.
When you try to configure additional interfaces on a BLN configured
for Host Only Mode, faults occur in map_rem.c.
CR 35132: DLSw.
After a router receives an LLC XID frame, the router may not
transmit a CANUREACH_cs message, which causes the router connections
not to come up.
CR 33424: BootP.
If there is not enough space in the vendor field of a BootP request,
the following message fills up the log:
2: 09/12/97 14:03:03.410 DEBUG SLOT 2 BOOTP Code: 8
Received request on interface 68.224.252.224, inserting subnet mask
Not enough space in vendor field to insert subnet mask
CR 35494: APPN.
When you transfer an APPN topology from one router to another, the
topology may not transfer completely.
CR 27324: ISDN.
This is an enhancement request to allow you to configure the number
of times a router will attempt to register a SPID (for basic rate
ISDN) with an ISDN switch.
The following parameters were added to wfIsdnLocalPhoneNumEntry:
wfIsdnSpidRetries, wfIsdnSpidRetryAttempts, wfIsdnSpidRetryTimer,
and wfIsdnSpidResetBri.
CR 34258: IP.
This is an enhancement request provide the ability to display the
total number of IP routes per slot for all slots. Use the command
"ip routes -O -s#" (where # is the slot number). If you do not enter
a slot number, all slots are displayed.
CR 35507: PPP.
If you have two routers connected via leased line and PPP using
CHAP, and the CHAP timer is set to 0 on one router and to 60 on the
other, the router with the timer set to 0 (the receiver) leaks
memory. Eventually, that router runs out of memory and restarts.
CR 35911: OSPF.
An AS External Route may fail to be installed into a routing table
if a more specific route with the same address exists. For example,
10.4.0.0/255.252.0.0 would fail to install if 10.4.0.0/255.255.255.0
existed.
CR 35798: BGP.
If you have multiple BGP connections to the same router and the "BGP
Collision Detect" parameter is set to "Disable," the router drops
one of the connections and logs a message stating that the
connection was dropped because one exists.
CR 35935: DLSw.
When you disconnect a token ring interface, a memory leak occurs and
the router eventually faults.
CR 36062: DLSw.
An orphan buffer may occur when a DLSw connection is terminated.
CR 33566: ISDN PRI.
When messages are written to the log, an exception vector 3 -
address error may occur because of a corrupted stack.
CR 33577: IP.
A condition exists in all revisions of code where IP_BARP will
consume all buffers on a slot if an external device is trying to
reach nonexistent but valid host addresses on a subnet.
A new MIB attribute, wfIpBaseArpBufLimitPrcnt, was added to wfIpBase
to specify the percentage of total buffers that can be used by
IP_BARP for buffer saving. To monitor this buffer activity, a new IP
command, ip arp_buf was added.
CR 33604: IP.
The router stops forwarding ASB packets out an interface after you
make a dynamic change to an interface that has the same natural IP
network configured as that interface.
CR 34753: ANH.
After you boot an ANH router using ti.cfg, all partition and link
LEDs remain on, even though the router does not have an ethernet
interface configured. The lights do not go out until you run
install and select ethernet as the driver type.
CR 34754: IP.
A router configured for Dial Optimized Routing ages out RIP routes
before the broadcast timer expires if the broadcast timer is set to
24 hours.
CR 34771: DLSw.
After upgrading from Router Software Release 10.01 to 11.02 or
greater, some DLS sessions may fail to be established because the
router may not generate a CANUREACH for every XID Fmt T2
Poll received. In certain connection sequences, if the resulting
test poll is not responded to, subsequent CANUREACH messages may not
be generated although the router receives additional XID T2 Polls.
CR 34908: DECnet
After you enable a DECnet router on an ethernet VLAN, a VBM error
occurs on a router that is attached to the ethernet VLAN via ATM.
CR 35156: DECnet.
If you set the global parameter Route Level to Level 1 (global), the
router does not advertise itself.
CR 35208: DLSw.
The performance of packets through llc/qllc topology degrades with
high traffic.
CR 30029: OSPF.
When a router receives database description packets from its
neighbor, bus errors occur when there is a checksum failure at
EXCHANGE state.
CR 30440: ISDN.
After you reset an ISDN BRI interface using the Technician
Interface, SPIDs get rejected.
CR 32169: Spanning Tree.
The spanning tree algorithm selects the wrong bridge as the root
bridge if the difference between two bridge IDs is greater than
0x8001.
CR 33030: DVMRP.
A watch dog timeout may occur when you perform a DVMRP MIB get.
CR 33958: PCAP.
When using PCAP to capture packets, if a transmitted packet is
larger than 140 bytes, PCAP will intermittently capture receive data
before transmit data. If a transmitted packet is larger than 160
bytes, PCAP will always capture receive data before transmit data.
CR 34322: TCP.
TCP retransmit-time-out value (RTO) is set to wfTcpRtoMax regardless
of actual RTT (even if the actual RTT is short). If wfTcpRtoMax is
the default (4 minutes), traffic over TCP (for example, DLS)
suddenly stops for 4 minutes.
CR 34593: DECnet.
The hello timer on a DECnet interface will fire one second later
than the configured value.
CR 34596: Switched Services.
If you bring down a B channel while both B channels are active, and
then bring it back up, a fault occurs.
CR 34682: LLC.
LLC2 traffic filter configuration does not work properly when you
define a specific range for DSAP or SSAP values. The fact that a RIF
field is present is not taken into account when applying the filter
to the packet.
CR 34719: IP.
IP will not install BGP routes when the BGP NEXT_HOP has an
unnumbered link as its next hop.
CR 34776: ATM.
An orphan buffer fault may occur in an environment where the ATM
switch is frequently closing active ATM data virtual circuits.
CR 34959: DLSw
Remote DLS clients do not reestablish a connection to the host
after a network disruption.
CR 35172: DVMRP.
An intermediate router may fail to send a graft when a router on a
pruned branch restarts.
CR 28250: FTP
When you transfer a file with a file name that starts with a numeric
value to the router, the router faults and receives orphan buffers.
CR 28589: BootP
The router does not generate correct DHCP request after being
rebooted.
CR 32167: AppleTalk.
AppleTalk may fault when the base record is bounced because of a
race condition. This problems seems to occur on a HSSI/PPP line
only.
CR 32277: IP.
A RIP policy filter configured to generate routes may cause an
excessive number of RIP2 frames to be generated during each periodic
update.
CR 32595: Telnet.
When you telnet from a Bay Networks router to another Bay Networks
router, and then telnet to a UNIX workstation, the ESC key will not
work.
CR 32752: FTP.
During an ftp session, if you interrupt a dir command by entering
Ctrl-C, an orphaned buffer fault may occur and the ftp session
terminates.
CR 32826: BGP
An aggregated route learned from a BGP peer will remain in the
routing table after the route has been removed from the advertise
list of the BGP announce policy of the peer. This happens when BGP
Dynamic Policy change support is enabled.
CR 32840: IPX.
In network configurations where a remote router uses Group Mode
frame relay to connect to two different routers, network costing may
be set so that one of the local routers connected to the remote
routers Group Mode frame relay will not have an IPX host entry for
the remote router. This causes all IPX pings from the remote router
to fail. It also causes IPX pings to the remote frame
relay interface to fail.
CR 33616: OSPF
Within an OSPF NBMA network, the neighbor adjacency between a DR
eligible router (one that is not a DR or BDR) and an DR ineligible
router continuously bounces between init and down states.
CR 34015: OSPF.
When you set the Ospf Range Status parameter to "not advertise", a
summary is advertised to the backbone area when it should be hidden.
CR 34272: Technician Interface.
This is an enhancement request to increase the severity level of the
message "tf_validate: header size invalid, Object.1.18.3.5.1.4.3.1,
Instance 29.1.1" to WARNING to indicate that the filter no longer
operates correctly.
CR 34416: PPP/Multilink.
This is an enhancement request to change the fragmentation algorithm
to require that frames larger than the configured fragment size be
fragmented.
CR 34738: DLSw.
When you disable DLSw on a router, SDLC Link Stations remain up and
continue to poll indefinitely.
CR 34868: Translation Bridge.
When a source routing traffic filter is applied to a packet, the
router drops the packet destined for the source routing interfaces,
but does not drop the packet destined for learning bridge
interfaces.
CR 29517: IPX.
If a router receives an IPX SAP packet on an interface with a
network number that is different from the one for which the packet
is destined, the packet is not dropped.
CR 30870: ISDN.
When you change a valid ISDN local telephone number in dynamic mode,
the router terminates operation.
CR 31530: Router Discovery
If you set the Min and Max Interval parameters to the same value, a
zero divide bus error appears in the log
CR 33878: Technician Interface.
You cannot use install.bat to install a new router using SMDS
outside the US because the install.bat script adds the prefix "C1"
for the configured individual address and "E1" for the group
address. The "1" after C and E is the country code for US.
CR 34602: DLSw.
A bus error may occur after you delete an X.25 circuit on a client
router while two QLLC sessions are active. The bus error also
terminates operation of the second circuit on the slot.
CR 34684: APPN.
APPN over LANE does not work.When a router sends a test poll to a
second router, the second router does not recognize the destination
MAC address and does not forward the packet to APPN. The MAC
override should not just change the ESI portion of the NSAP address,
but should also change the actual hardware MAC address.
CR 30591: DLSw.
There is no mechanism to display and monitor DLS and LLC2
connections on a per slot and per interface basis.
The following four MIB attributes were added:
wfDlsSlotCurrentSessions - displays the number of DLS connections on
the slot that are in a CONNECTED state.
wfDlsSlotHiWaterSessions - displays the maximum value reached by
wfDlsSLotCurrentSessions since DLS was enabled, or since
wfDlsSlotHiWaterReset was set to 2.
wfLlcInterfaceCurrentLinks - displays the number of links on the LLC
interface.
wfLlcInterfaceHiWaterLinks - displays the maximum value reached by
wfLlcInterfaceCurrentLinks since the LLC base was enabled, or since
wfLlcInterfaceHiWaterReset was set to 2.
CR 21299: APPN MIB Parameters.
wfAppnNodePortMaxRcvBtuSize, wfAppnNodePortMaxSendBtuSize in
wfAppnNodePortEntry and wfAppnNodeLsMaxSendBtuSize in
wfAppnNodeLsEntry need to be changed from 2057 to 1500 to
accommodate the 1600 MTU size of a WAN port.
CR 30189: IP Script.
If you run the show ip command with the circuit name option and you
enter a circuit name that contains lowercase letters, the message
"No Circuits found" appears.
CR 35143: DLSw.
If a NetBIOS client attempts to connect to an Ethernet LANE server
or a Token Ring LANE server, the router terminates operation.
CR 35268: DLSw
When the router receives a multicast SSP NETBIOS_NQ_ex, the ARE
experiences several errors, including an exception vector 5 - VBM
error.
CR 35447: IP.
The router intermittently returns a "Fragmentation Needed but DF set
- ICMP Destination Unreachable" message with an incorrect Next-Hop
MTU at the end of the ICMP header (low-order 16 bits).
CR 35568: Switched Services.
When you use a dial on demand asynchronous circuit, you can only
establish a connection two times. The third time you try to connect,
you cannot ping across the dial on demand line.
CR 32779: QLLC.
After you reset the LLC base in a DLS/QLLC environment, you cannot
reestablish a session between a PC3270 client and token ring host.
CR 34159: IP.
A router faults with a "watchdog restart" when it receives an IP
frame that contains a TTL set to 1,IP options of 00 (no options),
and three bytes of padding to terminate the IP header.
CR 34359: IP.
A memory leak in BGP is causing out-of-memory faults in IP.
CR 34264: DLSw.
Using DLSw 1795 with DSLC PU type 2.0 attached devices. When one
router sends a flow control reset to another router, the second
router still sends one more frame. The first router receives the
packet and issues a Halt-DL.
CR 20945: Token Ring
This is an enhancement request to add a parameter that allows you to
disable token ring single station mode so that a router port that is
the only station on a ring will not transition to down. This causes
problems when rebooting a PC that is the only other end station on
the token ring. A new attribute, wfTokenRingSingleStatDis, was added
to wfTokenRingEntry.
CR 32052: TCP
TCP does not log who closed a connection; it only logs that
a connection was closed.
CR 34948: DLSw.
The log message "SSP rcv command in TCP local, 14" should be changed
to "NetBIOS DATAFRAME Rcv" to be more intuitive to the users reading
the log.
CR 35502: APPN.
When you activate an APPN link station, a fault occurs
because a buffer is freed incorrectly.
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