3Com Switch 7750 Configuration Guide Guide
332 CHAPTER 35: IS-IS CONFIGURATION
Network diagram
Figure 76 Network diagram for IS-IS basic configuration
Configuration procedure
# Configure Switch A.
<SwitchA> system-view
[SwitchA] isis
[SwitchA-isis] network-entity 86.0001.0000.0000.0005.00
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] ip address 100.10.0.1 255.255.255.0
[SwitchA-Vlan-interface100] isis enable
[SwitchA] interface vlan-interface 101
[SwitchA-Vlan-interface101] ip address 100.0.0.1 255.255.255.0
[SwitchA-Vlan-interface101] isis enable
[SwitchA] interface vlan-interface 102
[SwitchA-Vlan-interface102] ip address 100.20.0.1 255.255.255.0
[SwitchA-Vlan-interface102] isis enable
# Configure Switch B.
[SwitchB] isis
[SwitchB-isis] network-entity 86.0001.0000.0000.0006.00
[SwitchB] interface vlan-interface 101
[SwitchB-Vlan-interface101] ip address 200.10.0.1 255.255.255.0
[SwitchB-Vlan-interface101] isis enable
[SwitchB] interface vlan-interface 102
[SwitchB-Vlan-interface102] ip address 200.0.0.1 255.255.255.0
[SwitchB-Vlan-interface102] isis enable
[SwitchB] interface vlan-interface 100
[SwitchB-Vlan-interface100] ip address 100.10.0.2 255.255.255.0
[SwitchB-Vlan-interface100] isis enable
# Configure Switch C.
[SwitchC] isis
[SwitchC-isis] network-entity 86.0001.0000.0000.0007.00
Switch A
Switch B
Switch C
100.20.0.2/24
Vlan-interf ace 100
Switch D
Vlan-interf ace 102
Vlan-interf ace 102
Vlan-interf ace 100
Vlan-interf ace 101 Vlan-interf ace 102
Vlan-interf ace 101
Vlan-interf ace 101
Vlan-interf ace 100 Vlan-interf ace 100
100.20.0.1/24
100.10.0.1/24 100.10.0.2/24
200.10.0.1/24
200.10.0.2/24
100.0.0.1/24
200.0.0.1/24
100.30.0.1/24
200.20.0.1/24
Switch A
Switch B
Switch C
100.20.0.2/24
Vlan-interf ace 100
Switch D
Vlan-interf ace 102
Vlan-interf ace 102
Vlan-interf ace 100
Vlan-interf ace 101 Vlan-interf ace 102
Vlan-interf ace 101
Vlan-interf ace 101
Vlan-interf ace 100 Vlan-interf ace 100
100.20.0.1/24
100.10.0.1/24 100.10.0.2/24
200.10.0.1/24
200.10.0.2/24
100.0.0.1/24
200.0.0.1/24
100.30.0.1/24
200.20.0.1/24