[c-nsp] Renumbering serial interfaces

Steve Bertrand steve at ibctech.ca
Thu Feb 18 08:58:56 EST 2010

On 2010.02.18 08:56, Jon Lewis wrote:
> 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.

I suppose that considering that this is a PtP link, the OP could apply
an IPv6 address to each end, verify reachability, and temporarily remove
all v4 addresses and still maintain a connection until the work is
complete :)

...I'd still use the "reload in..." just to be safe though.


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