From: CCIEing (2beccie@163.com)
Date: Wed Dec 28 2005 - 11:53:28 GMT-3
Also, check the interface configured with "clock rate" is connected with the
DCE v.35 cable.
----- Original Message -----
From: "Nawaz, Ajaz" <Ajaz.Nawaz@bskyb.com>
To: "'KSGoh'" <kianseng.goh@gmail.com>; "Cisco certification"
<ccielab@groupstudy.com>
Sent: Saturday, December 24, 2005 6:58 AM
Subject: RE: troubleshooting Serial interface!
> Send us the show controllers serial 1 from both routers.
>
> Ajaz Nawaz
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> KSGoh
> Sent: 23 December 2005 22:51
> To: Cisco certification
> Subject: troubleshooting Serial interface!
>
> have the following problem on my R1, R2 just show int up/down and without
> any
> other error message..
>
> 00:25:10: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed
> state
> to down
> 00:25:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed
> state
> to up
> 00:25:40: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed
> state
> to down
> 00:25:50: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed
> state
> to up
> 00:26:10: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed
> state
> to down
> 00:26:20: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1, changed
> state
> to up
>
>
> my config is very simple...
> on R1
> interface Serial1
> ip address 10.100.100.1 255.255.255.0
> clockrate 64000
> end
>
> on R2
> interface Serial1
> ip address 10.100.100.2 255.255.255.0
> end
>
> any idea how can i troubleshoot this ?
> i tried debug int s 1
> but nothing comes out..
>
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