The protocol down on the 1005 is because of the no keepalive on the 2501.
Rodgers Moore
"Minh Vu" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi,
>
> How do I config EXTERNAL DSU/CSU on 1005 and 2501, I tried to simulate
56k
> link across those two, but I couldn't find the command or how to config
> this, before I was used cross-over between those two.
> The cross-over between two DSU/CSU was working (its display linked @56k)
>
> Here is my layout:
>
> 1005<--->DSU/CSU<xxxxx>DSU/CSU<---->2501
>
> DSU/CSU :Motorola 3512
> IOS: 11.3.11aT1
>
> here is "int s0" of 2501 config:
> interface Serial1
> ip address 50.0.0.1 255.0.0.0
> no keepalive
> ! note I using HDLC encap.
>
> !note with this 2501 config, I got
> Serial1 is up, line protocol is up
>
>
> here is 1005 config
> interface Serial0
> ip address 50.0.0.2 255.0.0.0
> no ip mroute-cache
> bandwidth 56000
> fair-queue 64 256 0
> ! also using HDLC encap.
>
> !note with this 1005 config, I got
> Serial0 is up, line protocol is down
>
>
> Anyone have sample config on EXTERNAL DSU/CSU. I looked thru cisco site,
> they just have sample for INTERNAL only, which I don't have those command
> (ie: service-module , and T1-controller).
>
>
> Thanks
>
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