How many total OSPF virtual links are configured in this multiarea OSPF network which supports
both OSPFv2 and OSPFv3 for IPv4 and IPv6 routing?
A.
1
B.
2
C.
3
D.
4
Explanation:
#Show running-config | include virtual – check how many router having “virtual “ entry
I’m no sure if the explanation is rithg bacuase the instructions say the show running-config command is no supported.
http://www.cisco.com/c/en/us/td/docs/ios/12_2/iproute/command/reference/fiprrp_r/1rfospf.html#wp1035240
The following is sample output from the show ip ospf virtual-links command:
Router# show ip ospf virtual-links
Virtual Link to router 192.168.101.2 is up
Transit area 0.0.0.1, via interface Ethernet0, Cost of using 10
Transmit Delay is 1 sec, State POINT_TO_POINT
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 0:00:08
Adjacency State FULL
http://www.cisco.com/c/en/us/td/docs/ios_xr_sw/iosxr_r3-7/routing/command/reference/rr37ospf.html#wp1003942
show ospf virtual-links
To display parameters and the current state of Open Shortest Path First (OSPF) virtual links, use the show ospf virtual-links command in EXEC mode.
RP/0/RP0/CPU0:router# show ospf virtual-links
Virtual Link to router 172.31.101.2 is up
Transit area 0.0.0.1, via interface POS 0/3/0/0, Cost of using 10
Transmit Delay is 1 sec, State POINT_TO_POINT
Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
Hello due in 0:00:08
Adjacency State FULL