3com 5500 User Manual

112

HAPTER

15: R

OUTING

ONFIGURATION

UIDE

Network Diagram

Figure 31 Network diagram for (totally) NSSA area configuration

Networking and

Configuration

Requirements

Run OSPF on the network devices. Based on actual conditions, you can configure
an (totally) NSSA area to reduce the routing table size in the area.

Applicable Products

Configuration Procedure

Non-backbone area and backbone area configuration (area 1 is a
non-backbone area)

■

Configure Switch A.

# Create VLANs and configure IP addresses for the VLAN interfaces. The
configuration procedure is omitted.

# Configure OSPF for area 1.

<SwitchA> system-view

[SwitchA] ospf 1 router-id 1.1.1.1

[SwitchA-ospf-1] area 1

[SwitchA-ospf-1-area-0.0.0.1] network 10.2.1.0 0.0.0.255

# Configure OSPF for the backbone area.

[SwitchA-ospf-1] area 0

[SwitchA-ospf-1-area-0.0.0.0] network 10.1.1.0 0.0.0.255

■

Configure Switch B (refer to “Configure Switch A.” on page 112).

■

Configure Switch C.

# Create VLANs and configure IP addresses for the VLAN interfaces. The
configuration procedure is omitted.

# Configure a static route of 2.0.0.0/8.

Area 0

Area 1
NSSA

Area 2

Switch C

Vlan -int100
10 .1 .1.2/24

Vlan- int100
10.1.1.1 /24

Vlan -int300
10 .4.1.1/24

Vlan -int200
10 .2 .1.2/24

Switch B

Vlan -int200
10 .3.1.1/24

Vlan -int200
10.3.1.2/24

Switch A

Vlan-int200
10.2.1 .1/24

Vlan- int3 00
10 .5.1.1/24

Switch D

ASBR

Product series

Software version

Hardware version

Switch 5500

Release V03.02.04

All versions

Switch 5500G

Release V03.02.04

All versions

Switch 4500

Release V03.03.00

All versions