NEXUS: COMMAND LINE: UNDERSTANDING KEEPALIVE VRF


HOW TO FIND NEXUS PORT THROUGH WHICH KEEP-ALIVE VRF IS WORKING?

 

“CHECK ALL VRF “

RTP-N7K1# sh vrf all

VRF-Name                           VRF-ID State   Reason

KEEPALIVE                               3    Up     —

default                                   1   Up     —

management                         2   Up     —

 

“CHECK NEXUS INTERFACE ASSIGNED TO KEEPALIVE VRF “

RTP-N7K1# sh vrf interface | i KEEPALIVE

Interface              VRF-Name                       VRF-ID Site-of-Origin

Port-channel110  KEEPALIVE                           3         —

 

“CONFIRM IF PORT-CHANNEL 110 IS VPC OR ETHERCHANNEL “

RTP-N7K1# sh vpc br

vPC Peer-link status


id   Port   Status Active vlans

—   —-   —— ————————————————–

1   Po100 up     1,320,696-697

Po110 is not present, so it must be a Etherchannel

 

“CHECK PORTS IN ETHERCHANNEL Po110”

RTP-N7K1# sh port-channel sum

Group Port-Channel       Type     Protocol Member Ports

110    Po110(RU)             Eth     LACP     Eth3/48(P)

 

OTHER OPTION

RTP-N7K1# sh cdp nei

Device-ID         Local Intrfce Hldtme Capability Platform     Port ID

RTP-N7K2(JAF1737ADEA)

                             Eth3/1         144   R S s     N7K-C7004     Eth3/1

RTP-N6K1(FOC1733R0ZS)

Eth3/5         172   R S I s   N6K-C6001-64P Eth1/5

RTP-N7K2(JAF1737ADEA)

                               Eth3/48       144   R S s     N7K-C7004     Eth3/48

RTP-N7K2(JAF1737ADEA)

                                 Eth4/1         144   R S I s   N7K-C7004     Eth4/1

RTP-N6K2(FOC1739R0YD)

Eth4/7         155   R S I s   N6K-C6001-64P Eth1/7

 

“ Peer Link must be a Port channel.

From above config, we can identify Eth3/1 & Eth4/1 must be the part of Ether channel.

Remaining is Eth3/48, which must be used as the Peer-Keep alive link “

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s