Is-Is Frr Configuration Example - HP HPE FlexNetwork 7500 series Configuration Manual

FtnIndex: 0x0
Connector: N/A
The output shows that Switch A and Switch B communicate through VLAN-interface 10. Then the
link over VLAN-interface 10 fails.
# Display routes destined for 120.1.1.1/32 on Switch A.
<SwitchA> display ip routing-table 120.1.1.1 verbose
Summary Count : 1
Destination: 120.1.1.1/32
Protocol: IS_L1
Process ID: 1
SubProtID: 0x1
Cost: 20
IpPre: N/A
Tag: 0
OrigTblID: 0x0
TableID: 0x2
NibID: 0x26000002
AttrID: 0xffffffff
Flags: 0x1008c
Label: NULL
BkLabel: NULL
Tunnel ID: Invalid
BkTunnel ID: Invalid
FtnIndex: 0x0
Connector: N/A
The output shows that Switch A and Switch B communicate through VLAN-interface 11.

IS-IS FRR configuration example

Network requirements
As shown in
Configure IS-IS FRR so that when the Link A fails, traffic can be switched to Link B immediately.
Figure 50 Network diagram
Loop0
Switch A
TrafficIndex: N/A
Preference: 10
QosLocalID: N/A
OrigNextHop: 10.1.1.100
RealNextHop: 10.1.1.100
BkInterface: N/A
TrafficIndex: N/A
Figure 50, Switch A, Switch B, and Switch C belong to the same IS-IS routing domain.
Vlan-int200
Age: 04h20m37s
State: Active Adv
OrigVrf: default-vrf
OrigAs: 0
LastAs: 0
Neighbor: 0.0.0.0
BkNextHop: N/A
Interface: Vlan-interface11
Switch C
Link B
Link A
Vlan-int200
191
Loop0
Switch B