[c-nsp] Renumbering serial interfaces

Brian Turnbow b.turnbow at twt.it
Thu Feb 18 09:32:50 EST 2010

Sorry the last line should be 

ip address 

Making the secondary primary, and removing the primary.
I remember doing it with no ip address x.x.x.x.... but I just tried and it gives me the same error.
Too much lunch I think.


-----Original Message-----
From: Steve Bertrand [mailto:steve at ibctech.ca] 
Sent: giovedì 18 febbraio 2010 14.22
To: Brian Turnbow
Cc: james edwards; cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Renumbering serial interfaces

On 2010.02.18 03:22, Brian Turnbow wrote:
> Besides the reload in xx that several have mentioned you can also put secondary Ips on the link 
> Nad then cancel the primary. 
> I.e. 
> interface ATM0/0.32 point-to-point
> Ip add secondary 
> Telnet/ssh to this address using source address
> Then no ip add 
> The address becomes the priamry and you should not loose the management session.

Does this work differently on a serial interface? On an fa int:

route-server1(config)#int lo75
route-server1(config-if)#ip address
route-server1(config-if)#ip address sec
route-server1(config-if)#no ip address

Must delete secondary before deleting primary


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