[cisco-voip] busting SBC

[Erick Bergquist]

You can do a 'show controller t1 0/2/0' and see what
types of errors are on it, alarms, etc.


Is the router configured for MGCP or H323?

--- IT <it at cimgroup.com> wrote:

> The problem is that I am not at the site. No option
> of making a T1
> loopback plug. I cant plug anything into the router.
> Any other ways to check if I have a bad module?
> 
> -----Original Message-----
> From: Wes Sisk [mailto:wsisk at cisco.com] 
> Sent: Thursday, June 02, 2005 7:55 PM
> To: IT
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] busting SBC
> 
> make yourself a t1 loopback plug and plug in, make
> sure your interface 
> comes up/up.
> 
> Then re-connect the t1 from SBC.  give it a min and
> do 'show cont t1'  
> it will likely be in red alarm.  Search that
> Cisco.com.
> 
> Tell them you looped it up and your interface came
> up.
> 
> If your interface does not come up with the loopback
> plug you may have a
> 
> bad module, time for RMA.
> 
> /Wes
> 
> IT wrote:
> 
> >Hey All,
> >
> >So I have a 2801 gateway device that has been
> driving me nuts. Ive got
> a
> >point-to-point T1 to HQ for data and CM traffic,
> and a T1 PRI from SBC
> >for outbound calling.  Earlier today, calls got cut
> off, and I saw this
> >in my log:
> >Log Buffer (4096 bytes):
> >ial0/2/0:22, changed state to down
> >Jun  2 18:24:11: %LINK-5-CHANGED: Interface
> Serial0/2/0:23, changed
> >state to adm
> >inistratively down
> >Jun  2 18:24:16: %LINK-3-UPDOWN: Interface
> Serial0/2/0:23, changed
> state
> >to up
> >Jun  2 18:24:16: %LINK-3-UPDOWN: Interface
> Serial0/2/0:0, changed state
> >to down
> >Jun  2 18:24:16: %LINK-3-UPDOWN: Interface
> Serial0/2/0:1, changed state
> >to down
> >.................yada yada yada
> >Jun  2 18:24:16: %LINK-3-UPDOWN: Interface
> Serial0/2/0:22, changed
> state
> >to down
> >Jun  2 18:56:20: %LINK-5-CHANGED: Interface
> Serial0/2/0:23, changed
> >state to adm
> >inistratively down
> >Jun  2 18:56:23: %LINK-3-UPDOWN: Interface
> Serial0/2/0:23, changed
> state
> >to up
> >Jun  2 18:56:23: %LINK-3-UPDOWN: Interface
> Serial0/2/0:0, changed state
> >to down
> >Jun  2 18:56:23: %LINK-3-UPDOWN: Interface
> Serial0/2/0:1, changed state
> >to down
> >...............yada yada yada................
> >Jun  2 18:56:23: %LINK-3-UPDOWN: Interface
> Serial0/2/0:21, changed
> state
> >to down
> >Jun  2 18:56:23: %LINK-3-UPDOWN: Interface
> Serial0/2/0:22, changed
> state
> >to down
> >
> >
> >Now, an hour later, every time I call any of the
> inbound lines, I get a
> >busy signal, and when I try to dial out, I get
> busy. What IOS commands
> >can I issue on the 2801 to show that this is an SBC
> problem, not an
> >issue with my config.  I am sick of getting blamed
> for these issues.
> >HELP!
> >
> >-Avidan
> >
>
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