R0106-HP MSR Router Series Layer 3 - IP Routing Configuration Guide(V7)
120
OSPF 100 created OOB Progress timer for neighbor 192.1.1.2.
%Oct 21 15:29:29:902 2011 RouterA OSPF/5/OSPF_NBR_CHG: -MDC=1; OSPF 100 Neighbor
192.1.1.2(GigabitEthernet2/1/1) from Loading to Full.
*Oct 21 15:29:29:902 2011 RouterA OSPF/7/DEBUG: -MDC=1;
OSPF 100 deleted OOB Progress timer for neighbor 192.1.1.2.
%Oct 21 15:29:30:897 2011 RouterA OSPF/5/OSPF_NBR_CHG: -MDC=1; OSPF 100 Neighbor
192.1.1.3(GigabitEthernet2/1/1) from Loading to Full.
*Oct 21 15:29:30:897 2011 RouterA OSPF/7/DEBUG: -MDC=1;
OSPF 100 deleted OOB Progress timer for neighbor 192.1.1.3.
*Oct 21 15:29:30:911 2011 RouterA OSPF/7/DEBUG: -MDC=1;
OSPF GR: Process 100 Exit Restart,Reason : DR or BDR change,for neighbor : 192.1.1.3.
*Oct 21 15:29:30:911 2011 RouterA OSPF/7/DEBUG: -MDC=1;
OSPF 100 deleted GR Interval timer.
*Oct 21 15:29:30:912 2011 RouterA OSPF/7/DEBUG: -MDC=1;
OSPF 100 deleted GR wait timer.
%Oct 21 15:29:30:920 2011 RouterA OSPF/5/OSPF_NBR_CHG: -MDC=1; OSPF 100 Neighbor
192.1.1.2(GigabitEthernet2/1/1) from Full to Down.
%Oct 21 15:29:30:921 2011 RouterA OSPF/5/OSPF_NBR_CHG: -MDC=1; OSPF 100 Neighbor
192.1.1.3(GigabitEthernet2/1/1) from Full to Down.
%Oct 21 15:29:33:815 2011 RouterA OSPF/5/OSPF_NBR_CHG: -MDC=1; OSPF 100 Neighbor
192.1.1.3(GigabitEthernet2/1/1) from Loading to Full.
%Oct 21 15:29:35:578 2011 RouterA OSPF/5/OSPF_NBR_CHG: -MDC=1; OSPF 100 Neighbor
192.1.1.2(GigabitEthernet2/1/1) from Loading to Full.
The output shows that Router A completes GR.
OSPF NSR configuration example
Network requirements
As shown in Figure 30, Router S, Router A, and Router B belong to the same OSPF routing domain.
Enable OSPF NSR on Router S to ensure correct routing when an active/standby switchover occurs on
Router S.
Figure 30 Network diagram
Configuration procedure
1. Configure IP addresses and subnet masks for interfaces on the routers. (Details not shown.)
2. Configure OSPF on the routers to make sure Router S, Router A, and Router B can communicate
with each other at Layer 3 and dynamic route update can be implemented among them with OSPF.
(Details not shown.)
3. Enable OSPF NSR on Router S.
<RouterS> system-view
[RouterS] ospf 100
[RouterS-ospf-100] ospf non-stop-routing
[RouterS-ospf-100] quit