Total Number of Interfaces = 2
Restart Status: RESTART COMPLETE
IS-IS(1) Level-2 Restart Status
Restart Interval: 300
SA Bit Supported
Total Number of Interfaces = 2
Restart Status: RESTART COMPLETE
Step 5 Configure MPLS LDP GR of the backbone network.
Configure MPLS LDP GR on PE1, P device, and PE2 on the backbone network.
# Configure PE1.
[PE1] mpls ldp
[PE1-mpls-ldp] graceful-restart
[PE1-mpls-ldp] quit
# Configure the P device.
[P] mpls ldp
[P-mpls-ldp] graceful-restart
[P-mpls-ldp] quit
# Configure PE2.
[PE2] mpls ldp
[PE2-mpls-ldp] graceful-restart
[PE2-mpls-ldp] quit
Step 6 Configure GR of routing protocols between PEs and CEs.
Configure BGP GR for BGP between PE1 and CE1 and configure OSPF GR for OSPF between
PE2 and CE2
# Configure PE1.
[PE1] bgp 100
[PE1-bgp] graceful-restart
[PE1-bgp] quit
# Configure CE1.
[CE1] bgp 65410
[CE1-bgp] graceful-restart
[CE1-bgp] quit
# Configure PE2.
[PE2] ospf 2 vpn-instance vpn1
[PE2-ospf-2] opaque-capability enable
[PE2-ospf-2] graceful-restart
[PE2-ospf-2] quit
# Configure CE2.
[CE2] ospf 2
[CE2-ospf-2] opaque-capability enable
[CE2-ospf-2] graceful-restart
[CE2-ospf-2] quit
Run the display ospf brief command on PE2 or CE2, and you can view that OSPF GR is
configured successfully.
For example, information about PE2 is displayed as follows:
[PE2] display ospf brief
OSPF Process 2 with Router ID 10.2.1.2
Quidway S7700 Smart Routing Switch
Configuration Guide - VPN 3 BGP MPLS IP VPN Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
304
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