[c-nsp] overlapping ip onflict - IOS XR - forces interfaces down

[Aaron]

ASR9006 - IOS XR 4.1.2

Aaron
-----Original Message-----
From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
Jason Lixfeld
Sent: Wednesday, August 14, 2013 8:31 AM
To: cisco-nsp NSP
Subject: Re: [c-nsp] overlapping ip onflict - IOS XR - forces interfaces
down

What version?

On 2013-08-14, at 9:22 AM, "Aaron" <aaron1 at gvtc.com> wrote:

> This got me yesterday!  I configured an interface on my asr9000 with 
> an incorrect mask..the mask overlapped (encompassed) another 
> pre-existing interface . I guess IOS XR doesn't give you the warning 
> like old IOS about overlapping networks.look what it did!  .it forced 
> down the other pre-existing interface.  Then while I was unable to 
> figure out my typo with the incorrect mask and had not yet look into 
> the logs, but I just knew I had a bad problem with this core 9k, I 
> simply rolled back config and it fix the backbone link. then later I 
> found this in the logs.  Thought I'd share with y'all.
> 
> 
> 
> RP/0/RSP0/CPU0:Aug 13 16:26:56.586 : ipv4_arm[268]:
> %IP-IP_ARM-3-CFLCT_FORCED_DOWN : The IPv4 address 10.101.1.10/30 on
> Bundle-Ether2 conflicts with other IPv4 addresses and has been forced 
> down
> 
> 
> 
> (this is after I did a config rollback)
> 
> 
> 
> RP/0/RSP0/CPU0:Aug 13 16:46:00.738 : ipv4_arm[268]:
> %IP-IP_ARM-6-CFLCT_NO_LONGER : The IPv4 address 10.101.1.10/30 on
> Bundle-Ether2 is no longer forced down due to IPv4 address conflicts
> 
> 
> 
> Aaron
> 
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