Ospf Nsr Configuration Example - HP FlexFabric 12900E Series Configuration Manual

%Oct 21 15:29:33:815 2011 SwitchA OSPF/5/OSPF_NBR_CHG: OSPF 100 Neighbor
192.1.1.3(Vlan-interface100) from Loading to Full.
%Oct 21 15:29:35:578 2011 SwitchA OSPF/5/OSPF_NBR_CHG: OSPF 100 Neighbor
192.1.1.2(Vlan-interface100) from Loading to Full.
The output shows that Switch A completes GR.

OSPF NSR configuration example

Network requirements
As shown in
Enable OSPF NSR on Switch S to ensure correct routing when an active/standby switchover occurs
on Switch S.
Figure 32 Network diagram
Loop 0
22.22.22.22/32
Switch A
Configuration procedure
1. Configure IP addresses and subnet masks for interfaces on the switches. (Details not shown.)
2. Configure OSPF on the switches to ensure the following: (Details not shown.)
Switch S, Switch A, and Switch B can communicate with each other at Layer 3.

Dynamic route update can be implemented among them with OSPF.

3. Enable OSPF NSR on Switch S.
<SwitchS> system-view
[SwitchS] ospf 100
[SwitchS-ospf-100] non-stop-routing
[SwitchS-ospf-100] quit
Verifying the configuration
# Perform an active/standby switchover on Switch S.
[SwitchS] placement reoptimize
Predicted changes to the placement
Program
---------------------------------------------------------------------
lb
lsm
slsp
rib6
routepolicy
rib
staticroute6
staticroute
ospf
Continue? [y/n]:y
Re-optimization of the placement start. You will be notified on completion
Figure 32, Switch S, Switch A, and Switch B belong to the same OSPF routing domain.
Vlan-int100
12.12.12.1/24
Vlan-int100
12.12.12.2/24
Switch S
Vlan-int200
14.14.14.1/24
Vlan-int200
14.14.14.2/24
Current location
0/0
0/0
0/0
0/0
0/0
0/0
0/0
0/0
0/0
124
Loop 0
44.44.44.44/32
Switch B
New location
0/0
0/0
0/0
0/0
0/0
0/0
0/0
0/0
1/0