Hi All ,
We have dual homed connectivity to FEX from nexus 5k as below.
Nexus 5k-1 Eth 1/47 ----> Fex 100 -----> Eth 1/47 Nexus 5k-2 (VPC100 . Port-chhannel 100)
Nexus 5k-1 Eth 1/48 ----> Fex 101 -----> Eth 1/48 Nexus 5k-2 (VPC 101, Port-channel 101 )
But by mistake onsite engineer has connected Nexus 5k-1 eth 1/48 to Fex 100 and Nexus 5k-1 eth 1/47 to Fex 101.
Means Ports on Nexus 5k-1 are mismatched as below.
Nexus 5k-1 Eth 1/48 (must be eth 1/47) ----> Fex 100 -----> Eth 1/47 Nexus 5k-2 (VPC100 . Port-chhannel 100)
Nexus 5k-1 Eth 1/47 ( must be eth 1/148 ) ----> Fex 101 -----> Eth 1/48 Nexus 5k-2 (VPC 101, Port-channel 101 )
We have done FEX configuration on both nexus 5k switches.
Today Onsite engineer will do correction for mismatched ports on nexus 5k-1 , cable will be swapped for ports eth 1/47 and eth 1/48 to have right ports connected to FEX 100 and 101 from Nexus 5k-1.
I would like to know if onsite engineer swaps the cables of fex 100 and 101 on Nexus 5k-1 , will the fex again go for loading of IOS from Parent switch ?
** currently nothing is connected to Fex 100 and 101.
After swapping the cables on Nexus 5k-1 , what needs to be done so that ports on Fex 100 and 101 will work properly ? In case if i want both fex to download ios from parent switch after swapping cables what should be done ? Do I need to remove and connect back uplinks cables at FEX end so that IOS will download from the parent switch again ?
Actual scenario :
Nexus 5k-1 Eth 1/47 ----> Fex 100 -----> Eth 1/47 Nexus 5k-2 (VPC100 . Port-chhannel 100)
Nexus 5k-1 Eth 1/48 ----> Fex 101 -----> Eth 1/48 Nexus 5k-2 (VPC 101, Port-channel 101 )
But onsite has connected cables as below.
Nexus 5k-1 Eth 1/48 (must be eth 1/47) ----> Fex 100 -----> Eth 1/47 Nexus 5k-2 (VPC100 . Port-chhannel 100)
Nexus 5k-1 Eth 1/47 ( must be eth 1/148 ) ----> Fex 101 -----> Eth 1/48 Nexus 5k-2 (VPC 101, Port-channel 101 )
Fiber Cables connected to fex 100 and 101 on Nexus 5k-1 will be swapped today so that we have correct ports connected to both fex from both Nexus 5ks.
Thanks ,
M S K