3Com 5500 Switch User Manual


 
118 CHAPTER 15: ROUTING CONFIGURATION GUIDE
If this feature is configured on the ABR of the NSSA area, the ABR will summarize
Type-5 LSAs translated from Type-7 LSAs.
Network Diagram
Figure 33 Network diagram for route summarization configuration
Networking and
Configuration
Requirements
Network devices run OSPF to forward packets. Configure ABR and ASBR route
summarization to reduce the routing information across areas and the size of
routing tables on routers. Based on the actual needs, you can filter out specified
routes through route summarization.
Applicable Products
Configuration Procedure OSPF basic configuration and area configuration
Configure Switch A.
# Create VLANs and configure IP addresses for the VLAN interfaces. The
configuration procedure is omitted.
# Configure OSPF basic functions. The configuration procedure is omitted.
# Configure the NSSA attribute of Switch A.
<SwitchA> system-view
[SwitchA] ospf 1
[SwitchA-ospf-1] area 1
[SwitchA-ospf-1-area-0.0.0.1] nssa
[SwitchA-ospf-1-area-0.0.0.1] quit
Configure Switch C.
# Create VLANs and configure IP addresses for the VLAN interfaces. The
configuration procedure is omitted.
# Configure OSPF basic functions. The configuration procedure is omitted.
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
20.1.2.1/24
Vlan-int200
20.1 .1.2/24
Switch B
Vlan-int200
30.1.1.1/24
Vlan-int200
30.1.1.2/24
Switch A
Vlan-int200
20.1.1.1/24
Vlan-int300
30.1.2.1/24
Switch D
ASBR
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