Is-Is Frr Configuration Example - HP MSR2000 series Configuration Manual

System Id: 0000.0000.0001
Interface: vlan200
State: Up
System Id: 0000.0000.0001
Interface: vlan200
State: Up
<SwitchB> display isis route
Route information for ISIS(1)
IPV4 Destination
--------------------------------------------------------------------------
14.14.14.0/24
44.44.44.44/32
12.12.12.0/32
22.22.22.22/32
IPV4 Destination
--------------------------------------------------------------------------
14.14.14.0/24
44.44.44.44/32
12.12.12.0/32
22.22.22.22/32
The output shows that the neighbor relationships and routing information on Switch A and Switch
B have not changed. The neighbors cannot sense the switchover on Switch S.

IS-IS FRR configuration example

Network requirements
Switch S, Switch A, and Switch D belong to the same IS-IS routing domain as illustrated in
Configure IS-IS FRR so that when the link between Switch S and Switch D fails, traffic can be switched to
Link B immediately.
HoldTime: 25s
HoldTime: 27s
ISIS(1) IPv4 Level-1 Forwarding Table
-------------------------------------
IntCost
10
10
10
10
Flags: D-Direct, R-Added to RM, L-Advertised in LSPs, U-Up/Down Bit Set
ISIS(1) IPv4 Level-2 Forwarding Table
-------------------------------------
IntCost
10
10
10
10
Flags: D-Direct, R-Added to RM, L-Advertised in LSPs, U-Up/Down Bit Set
Circuit Id: 0000.0000.0001.01
Type: L1(L1L2)
Circuit Id: 0000.0000.0001.01
Type: L2(L1L2)
-----------------------------
ExtCost ExitInterface
NULL vlan200
NULL Loop0
NULL vlan200
NULL vlan200
ExtCost ExitInterface
NULL vlan200
NULL Loop0
NULL
NULL
176
PRI: 64
PRI: 64
NextHop Flags
Direct D/L/-
Direct D/-/-
14.14.14.4 R/L/-
14.14.14.4 R/L/-
NextHop Flags
Direct D/L/-
Direct D/-/-
Figure 68.