[c-nsp] Renumbering serial interfaces

Jon Lewis jlewis at lewis.org
Thu Feb 18 08:56:00 EST 2010

On Thu, 18 Feb 2010, Steve Bertrand wrote:

>> 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

Instead of removing the primary IP of the interface, try just changing it. 
It'll let you do that.  I've seen people break things by doing that by 
accident when they meant to add another secondary address.

  Jon Lewis                   |  I route
  Senior Network Engineer     |  therefore you are
  Atlantic Net                |
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