Is-Is Frr Configuration Example - HP 6125XLG Layer 3 - Ip Routing Configuration Manual

Summary Count : 1
Destination: 120.1.1.0/24
Protocol: ISIS
SubProtID: 0x1
Cost: 10
Tag: 0
OrigTblID: 0x0
TableID: 0x2
NBRID: 0x26000002
AttrID: 0xffffffff
Flags: 0x1008c
Label: NULL
BkLabel: NULL
Tunnel ID: Invalid
BkTunnel ID: Invalid
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 120.1.1.0/24 on Switch A.
<SwitchA> display ip routing-table 120.1.1.0 verbose
Summary Count : 1
Destination: 120.1.1.0/24
Protocol: ISIS
SubProtID: 0x1
Cost: 20
Tag: 0
OrigTblID: 0x0
TableID: 0x2
NBRID: 0x26000002
AttrID: 0xffffffff
Flags: 0x1008c
Label: NULL
BkLabel: NULL
Tunnel ID: Invalid
BkTunnel ID: Invalid
The output shows that Switch A and Switch B communicate through VLAN-interface 1 1.

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.
Process ID: 1
Preference: 10
OrigNextHop: 192.168.0.100
RealNextHop: 192.168.0.100
BkInterface: N/A
Process ID: 1
Preference: 10
OrigNextHop: 10.1.1.100
RealNextHop: 10.1.1.100
BkInterface: N/A
Figure 47, Switch S, Switch A, and Switch D belong to the same IS-IS routing domain.
Age: 04h20m37s
State: Active Adv
OrigVrf: default-vrf
OrigAs: 0
LastAs: 0
Neighbor: 0.0.0.0
BkNextHop: N/A
Interface: Vlan-interface10
Age: 04h20m37s
State: Active Adv
OrigVrf: default-vrf
OrigAs: 0
LastAs: 0
Neighbor: 0.0.0.0
BkNextHop: N/A
Interface: Vlan-interface11
177