HP FlexFabric 12900E Series Configuration Manual page 368

[SwitchA-bgp-default] quit
# On Switch D, create routing policy frr to set a backup next hop 2002::1 (Switch C) for the route
destined for 1::/64.
<SwitchD> system-view
[SwitchD] ipv6 prefix-list abc index 10 permit 1:: 64
[SwitchD] route-policy frr permit node 10
[SwitchD-route-policy] if-match ipv6 address prefix-list abc
[SwitchD-route-policy] apply ipv6 fast-reroute backup-nexthop 2002::1
[SwitchD-route-policy] quit
# Apply the routing policy to BGP FRR for BGP IPv6 unicast address family.
[SwitchD] bgp 200
[SwitchD-bgp-default] address-family ipv6 unicast
[SwitchD-bgp-default-ipv6] fast-reroute route-policy frr
[SwitchD-bgp-default-ipv6] quit
[SwitchD-bgp-default] quit
Verifying the configuration
# Display detailed information about the route to 4::/64 on Switch A. The output shows the backup
next hop for the route.
[SwitchA] display ipv6 routing-table 4:: 64 verbose
Summary count : 1
Destination: 4::/64
Protocol: BGP4+
SubProtID: 0x2
Cost: 0
IpPre: N/A
Tag: 0
OrigTblID: 0x0
TableID: 0xa
NibID: 0x25000003
AttrID: 0x3
Flags: 0x10060
Label: NULL
BkLabel: NULL
Tunnel ID: Invalid
BkTunnel ID: Invalid
FtnIndex: 0x0
# Display detailed information about the route to 1::/64 on Switch D. The output shows the backup
next hop for the route.
[SwitchD] display ipv6 routing-table 1:: 64 verbose
Summary count : 1
Destination: 1::/64
Protocol: BGP4+
SubProtID: 0x1
Cost: 0
Process ID: 0
Age: 00h00m58s
Preference: 255
QosLocalID: N/A
State: Active Adv
OrigVrf: default-vrf
OrigAs: 200
LastAs: 200
Neighbor: 3001::2
OrigNextHop: 3001::2
RealNextHop: 3001::2
BkNextHop: 2001::2
Interface: Vlan-interface 100
BkInterface: Vlan-interface 200
Process ID: 0
Age: 00h03m24s
Preference: 255
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