Configuring Ospf Gr - HPE FlexNetwork HSR6800 Configuration Manual

Routing for Network
Destination
10.2.1.0/24
10.1.1.0/24
Total Nets: 2
Intra Area: 2
Area 0 has no direct connection to Area 2, so the OSPF routing table of Router B has no route
to Area 2.
Configure a virtual link:
3.
# Configure Router B.
[RouterB] ospf
[RouterB-ospf-1] area 1
[RouterB-ospf-1-area-0.0.0.1] vlink-peer 3.3.3.3
[RouterB-ospf-1-area-0.0.0.1] quit
[RouterB-ospf-1] quit
# Configure Router C.
[RouterC] ospf
[RouterC-ospf-1] area 1
[RouterC-ospf-1-area-0.0.0.1] vlink-peer 2.2.2.2
[RouterC-ospf-1-area-0.0.0.1] quit
# Display OSPF routing information on Router B.
[RouterB] display ospf routing
Routing for Network
Destination
10.2.1.0/24
10.3.1.0/24
10.1.1.0/24
Total Nets: 3
Intra Area: 2
Router B has learned the route 10.3.1.0/24 to Area 2.

Configuring OSPF GR

Network requirements
•
As shown in
system and the same OSPF routing domain are GR capable.
•
Router A acts as the non-IETF standard GR restarter. Router B and Router C are the GR
helpers and re-synchronize their LSDB with Router A through OOB communication of GR.
OSPF Process 1 with Router ID 2.2.2.2
Routing Tables
Cost
2
2
Inter Area: 0
OSPF Process 1 with Router ID 2.2.2.2
Routing Tables
Cost
2
5
2
Inter Area: 1
Figure 29, Router A, Router B, and Router C that belong to the same autonomous
Type NextHop
Transit 10.2.1.1
Transit 10.1.1.2
ASE: 0 NSSA: 0
Type NextHop
Transit 10.2.1.1
Inter 10.2.1.2
Transit 10.1.1.2
ASE: 0 NSSA: 0
105
AdvRouter Area
3.3.3.3 0.0.0.1
2.2.2.2 0.0.0.0
AdvRouter Area
3.3.3.3 0.0.0.1
3.3.3.3 0.0.0.0
2.2.2.2 0.0.0.0