3Com Switch 4800G 24-Port Configuration Manual page 361

IS-IS Graceful Restart
Configuration Example
State: Up HoldTime: 25s
System Id: 0000.0000.0001
Interface: Vlan-interface100
State: Up HoldTime: 7s
[SwitchC] display isis interface
Interface: Vlan-interface100
Id IPV4.State
001 Up
# Display information about IS-IS neighbors and interfaces of Switch D.
[SwitchD] display isis peer
System Id: 0000.0000.0001
Interface: Vlan-interface100
State: Up HoldTime: 9s
System Id: 0000.0000.0002
Interface: Vlan-interface100
State: Up HoldTime: 28s
[SwitchD] display isis interface
Interface: Vlan-interface100
Id IPV4.State
001 Up
Network requirements
Switch A, Switch B, and Switch C are interconnected to each other in the same
IS-IS routing domain. These switches are reachable to one another through IS-IS,
as illustrated in Figure 114.
Network diagram
Figure 114 Network diagram for IS-IS GR configuration
GR restarter
Vlan- int100
10.0.0 .2/24
Switch B
GR helper
Type: L1
Circuit Id: 0000.0000.0001.01
Type: L1
Interface information for ISIS(1)
---------------------------------
IPV6.State
Down
Peer information for ISIS(1)
----------------------------
Circuit Id: 0000.0000.0001.01
Type: L2
Circuit Id: 0000.0000.0001.01
Type: L2
Interface information for ISIS(1)
---------------------------------
IPV6.State
Down
Switch A
Vlan -int100
10 .0.0.1/24
Vlan-int100
10 .0.0.3/24
Switch C
GR helper
IS-IS Configuration Example
PRI: 64
PRI: 100
MTU Type DIS
1497 L1/L2 No/No
PRI: 100
PRI: 64
MTU Type DIS
1497 L1/L2 No/No
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