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EES4710BD 10 Slots L2/L3/L4 Chassis Switch
area id The id of the area for the interface
router id The ID of the neighbor layer 3 switch
router ip addr IP address of the neighboring layer 3 switch
state Link-state status
priority Priority
DR ID of the designated layer 3 switch
BDR ID of the backup designated layer 3 switch
last hello The last HELLO packet
last exch The last packet exchanged
（8）show ip ospf routing
The “show ip ospf routing” command can be used to display information about the OSPF route
table.
For example, displayed information can be:
Switch#show ip ospf routing
AS internal routes：
Destination Area Cost Dest Type Next Hop ADV rtr
11.11.1.0 1 1 0 11.11.1.1 14.14.14.1
11.11.4.0 0 1 0 11.11.4.1 11.11.4.2
11.11.2.0 1 2 0 11.11.1.2 11.11.2.1
11.11.3.0 1 11 0 11.11.1.3 14.14.14.1
AS external routes：
Destination Cost Dest Type Next Hop ADV rtr
Displayed information Explanation
AS internal routes Autonomous system interior route
AS external routes Autonomous system exterior route
Destination Destination network segment
Area Area number
Cost Cost value
Dest Type Route Type
Next Hop Next hop
ADV rtr Advertise the interface address of the layer 3 switch.
（9）show ip ospf virtual-links
The “show ip ospf virtual-links” command can be used to display information about the OSPF
virtual link.
For example, displayed information can be:
Switch#show ip ospf virtual-links
no virtual-link
（10）show ip protocols
“show ip protocols” command can be used to display the information of the routing protocols
running in the switch.
For example, displayed information can be:
Switch#sh ip protocols
OSPF is running.