292
3. Set the backup next hop for
FRR.
apply ipv6 fast-reroute
backup-nexthop
ipv6-address
By default, no backup next hop is set.
This step is required when Method 2
is used to enable BGP FRR.
For more information about this
command, see Layer 3—IP Routing
Command Reference.
4. Return to system view.
N/A
5. Enter BGP instance view or
BGP-VPN instance view.
• Enter BGP instance
view:
bgp as-number
[ instance
instance-name ]
• Enter BGP-VPN instance
view:
a. bgp as-number
[ instance
instance-name ]
b. ip vpn-instance
N/A
6. Enter BGP IPv6 unicast
address family view or
BGP-VPN IPv6 unicast
address family view.
address-family ipv6
[
unicast
]
N/A
7. Enable BGP FRR.
• (Method 1) Enable BGP
FRR for the address
family:
pic
• (Method 2) Apply a
routing policy to FRR for
the address family:
fast-reroute
route-policy
route-policy-name
By default, BGP FRR is disabled.
Method 1 might result in routing loops.
Use it with caution.
By default, no routing policy is
applied.
The
apply fast-reroute
backup-nexthop
and
apply ipv6
fast-reroute backup-nexthop
commands can take effect in the
applied routing policy. Other
apply
commands do not take effect.
Configuring 6PE
IPv6 provider edge (6PE) is a transition technology that uses MPLS to connect sparsely populated
IPv6 networks through an existing IPv4 backbone network. It is an efficient solution for ISP
IPv4/MPLS networks to provide IPv6 traffic switching capability.
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