R3303-HP HSR6800 Routers MPLS Configuration Guide

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• Configure basic MPLS L3VPN
• For backup between one IPv4 route and one VPNv4 route, configure the source address for BFD
echo packets. For related configurations, see High Availability Configuration Guide.
To configure MPLS L3VPN FRR:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. Create a routing policy and
enter routing policy view.
route-policy route-policy-name
permit node node-number
No routing policy is created by
default.
3. Specify the backup next hop
for FRR.
apply fast-reroute backup-nexthop
ip-address
Not specified by default.
For more information about the
apply fast-reroute backup-nexthop
command, see Layer 3—IP Routing
Command Reference.
4. Return to system view.
quit N/A
5. Enter VPN instance view.
ip vpn-instance vpn-instance-name N/A
6. Enable FRR and reference the
routing policy.
fast-reroute route-policy
route-policy-name
Not enabled by default.
Resetting BGP connections
When BGP configuration changes, you can use the soft reset function or reset BGP connections to make
new configurations take effect. Soft reset requires that BGP peers have route refreshment capability
(supporting Route-Refresh messages).
NOTE:
Soft reset of BGP connections refers to updatin
g
BGP routin
g
information without breakin
g
BGP nei
g
hbor
relationships. Hard reset of BGP connections refers to updatin
g
BGP routin
g
information by breakin
g
and
then reestablishing BGP neighbor relationships.
Use the following commands to hard reset or soft reset BGP connections:
Task Command Remarks
Soft reset BGP connections of a
VPN instance.
refresh bgp vpn-instance vpn-instance-name
{ ip-address | all | external | group
group-name } { export | import }
Available in user view.
Soft reset BGP VPNv4 connections.
refresh bgp vpnv4 { ip-address | all |
external | group group-name | internal }
{ export | import }
Available in user view.
Hard reset BGP connections of a
VPN instance.
reset bgp vpn-instance vpn-instance-name
{ as-number | ip-address | all | external |
group group-name }
Available in user view.
Hard reset BGP VPNv4
connections.
reset bgp vpnv4 { as-number | ip-address |
all | external | internal | group
group-name }
Available in user view.