VLAN 10 is assigned IP address 10.1.1.1 with subnet mask 255.255.255.0. Which configuration is used to route the IP subnet but not form OSPF neighbors on a Cisco Nexus 7000 switch?
A.
feature ospf ! interface Vlan10 ip address 10.1.1.1/24 no shutdown ip router ospf 1 ip passive-interface ospf 1 ! router ospf 1
B.
feature ospf ! interface Vlan10 ip address 10.1.1.1/24 no shutdown ! router ospf 1 passive-interface default no ip passive-interface Vlan10
C.
feature ospf ! interface Vlan10 ip address 10.1.1.1/24 no shutdown ! router ospf 1 ip passive-interface Vlan10
D.
feature ospf ! interface Vlan10 ip address 10.1.1.1/24 no shutdown ip router ospf 1 !
After looking at this again, I don't think this is right. Here's their answer:
feature ospf
interface Vlan10
ip address 10.1.1.1/24
no shutdown
ip router ospf 1
ip passive-interface
ospf 1
router ospf 1
The way they have it, they're jumping out of interface config mode and configuring the pass-interface command under the routing process. Well, that's ok, but you have to specify the interface if you do it this way. If they had stayed under the interface, they could have used:
ip ospf passive-interface
So, I don't think any answer is 100% accurate in this case.
Answer confirmed. I don't think it really matters if you configure the interface first or enable ospf globally first.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/4_2/nx-os/unicast/configuration/guide/l3_cli_nxos/l3_ospf.html
feature ospf
router ospf "instance tag"
interface x
ip add x.x.x.x/yy
ip router ospf "instance tag" area "area id"
ip ospf passive-interface
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snapper
5 years, 9 months agosnapper
5 years, 9 months ago