IP Shortcuts SPBM Configuration Example

The following figure shows a sample IP Shortcuts over SPBM deployment.

Examples and network illustrations in this document may illustrate only one of the supported platforms. Unless otherwise noted, the concept illustrated applies to all supported platforms.

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SPBM IP Shortcuts

The following sections show the steps required to configure the SPBM IP Shortcuts parameters in this example. You must first configure basic SPBM and IS-IS infrastructure. For more information, see SPBM and IS-IS Infrastructure Fundamentals.

Note the following:

The following sections show the steps required to configure the SPBM IP Shortcuts parameters in this example.

SwitchC

CIRCUITLESS INTERFACE CONFIGURATION - GlobalRouter

interface loopback 1
ip address 1 10.0.0.1/255.255.255.255
exit

ISIS CONFIGURATION

router isis
ip-source-address 10.0.0.1

ISIS SPBM CONFIGURATION

spbm 1 ip enable
exit

VLAN CONFIGURATION

vlan create 13 type port-mstprstp 0
vlan members 13 1/2 portmember
interface Vlan 13
ip address 10.0.13.1 255.255.255.0
exit

IP REDISTRIBUTION CONFIGURATION - GlobalRouter

router isis
redistribute direct
redistribute direct metric 1
redistribute direct enable
exit

IP REDISTRIBUTE APPLY CONFIGURATIONS

isis apply redistribute direct

SwitchD

CIRCUITLESS INTERFACE CONFIGURATION - GlobalRouter

interface loopback 1
ip address 1 10.0.0.2/255.255.255.255
exit

ISIS CONFIGURATION

router isis
ip-source-address 10.0.0.2

ISIS SPBM CONFIGURATION

spbm 1 ip enable
exit

VLAN CONFIGURATION

vlan create 14 type port-mstprstp 0
vlan member add 14 1/2
interface Vlan 14
ip address 10.0.14.1 255.255.255.0
exit

IP REDISTRIBUTION CONFIGURATION - GlobalRouter

router isis
redistribute direct
redistribute direct metric 1
redistribute direct enable
exit

IP REDISTRIBUTE APPLY CONFIGURATIONS

isis apply redistribute direct

Verifying Operation — SwitchC

SwitchC:1# show isis spbm ip-unicast-fib
===============================================================================================================
                         SPBM IP-UNICAST FIB ENTRY INFO
===============================================================================================================
                                               OUTGOING   SPBM PREFIX  PREFIX   IP ROUTE
VRF   ISID    Destination    NH BEB    VLAN    INTERFACE  COST COST    TYPE     PREFERENCE  AREA  AREA-NAME
----------------------------------------------------------------------------------------------------------------
GRT    -      10.0.0.2/32    SwitchD     4000     1/30     20    1     Internal  7          HOME   area-9.00.02
GRT    -      10.0.14.1/24   SwitchD     4000     1/30     20    1     Internal  7          HOME   area-9.00.02
----------------------------------------------------------------------------------------------------------------
 Home : Total number of SPBM IP-UNICAST FIB entries 2
 Remote: Total number of SPBM IP-UNICAST FIB entries 0
----------------------------------------------------------------------------------------------------------------

SwitchC:1# show ip route
================================================================================
                            IP Route - GlobalRouter
================================================================================
                                                NH   INTER
DST         MASK           NEXT          VRF    COST  FACE	PROT AGE TYPE PRF
--------------------------------------------------------------------------------
10.0.0.1   255.255.255.255  10.0.0.1      -       1     0 	 LOC	 0	  DB	 0
10.0.0.2   255.255.255.255  SwitchD      Glob~    20   4000  ISIS  0  IBS  7
10.0.13.1   255.255.255.0   10.0.13.1    -        1    13    LOC   0  DB   0
10.0.14.1   255.255.255.0   SwitchD      Glob~    20   4000  ISIS  0  IBS  7

4 out of 4 Total Num of Route Entries, 4 Total Num of Dest Networks displayed.
TYPE Legend:
I=Indirect Route, D=Direct Route, A=Alternative Route, B=Best Route, E=Ecmp Rout
e,
U=Unresolved Route, N=Not in HW, F=Replaced by FTN, V=IPVPN Route, S=SPBM Route
PROTOCOL Legend:
v=Inter-VRF route redistributed

Verifying operation — SwitchD

SwitchD:1# show isis spbm ip-unicast-fib
======================================================================================================================
                         SPBM IP-UNICAST FIB ENTRY INFO
======================================================================================================================
                                                    OUTGOING   SPBM  PREFIX   PREFIX   IP ROUTE
VRF     ISID    Destination    NH BEB       VLAN    INTERFACE  COST  COST     TYPE     PREFERENCE  AREA  AREA-NAME
----------------------------------------------------------------------------------------------------------------------
GRT     -       10.0.0.1/32    SwitchC     4000     1/20      20     1        Internal  7          HOME   area-9.00.02
GRT     -       10.0.13.1/24   SwitchC     4000     1/20      20     1        Internal  7          HOME   area-9.00.02
-----------------------------------------------------------------------------------------------------------------------
 Home : Total number of SPBM IP-UNICAST FIB entries 2
 Remote: Total number of SPBM IP-UNICAST FIB entries 0
--------------------------------------------------------------------------------

SwitchD:1# show ip route
================================================================================
                            IP Route - GlobalRouter
================================================================================
                                                NH   INTER
DST         MASK            NEXT          VRF   COST FACE PROT AGE TYPE PRF
--------------------------------------------------------------------------------
10.0.0.1    255.255.255.255 SwitchC       Glob~  20   4000 ISIS 0   IBS  7
10.0.0.2    255.255.255.255 10.0.0.2      -      1    0    LOC  0   DB   0
10.0.13.1   255.255.255.0   SwitchC       Glob~  20   4000 ISIS 0   IBS  7
10.0.14.1   255.255.255.0   10.0.14.1     -      1    14   LOC  0   DB   0

4 out of 4 Total Num of Route Entries, 4 Total Num of Dest Networks displayed.
TYPE Legend:
I=Indirect Route, D=Direct Route, A=Alternative Route, B=Best Route, E=Ecmp Rout
e,
U=Unresolved Route, N=Not in HW, F=Replaced by FTN, V=IPVPN Route, S=SPBM Route
PROTOCOL Legend:
v=Inter-VRF route redistributed