R3721-F3210-F3171-HP High-End Firewalls Network Management Configuration Guide-6PW101

Table Of Contents
408
NOTE:
A
fter this configuration, route entries on the stub router are further reduced, containing only the default
external route.
Configuring an OSPF NSSA area at the CLI
Network requirements
Figure 267 shows an AS is split into three areas, where all routers run OSPF. Router A and Router B act
as ABRs to forward routing information between areas.
Configure Area 1 as an NSSA area, and configure Firewall as an ASBR to redistribute static routes into
the AS.
Figure 267 Network diagram
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown)
2. Configuring OSPF basic functions (see “Configuring OSPF basic functions at the CLI”).
3. Configure Area 1 as an NSSA area:
# Configure Router A.
<RouterA> system-view
[RouterA] ospf
[RouterA-ospf-1] area 1
[RouterA-ospf-1-area-0.0.0.1] nssa
[RouterA-ospf-1-area-0.0.0.1] quit
# Configure Firewall.
<Firewall> system-view
[Firewall] ospf
[Firewall-ospf-1] area 1
[Firewall-ospf-1-area-0.0.0.1] nssa
[Firewall-ospf-1-area-0.0.0.1] quit
[Firewall-ospf-1] quit