From: Cisco CCIE (onlyccie@gmail.com)
Date: Thu Nov 03 2005 - 14:25:18 GMT-3
Hi,
As you have menctioned that you are using a 2501, why dont you change the
interface from s0 to s1 and check if the line protocol is up with the same
configuration ?
This will eliminate problems associated with 2501's serial 0 interface
(hardware failure).
~Only CCIE.
On 11/3/05, Qingli Gao <qgao@frycomm.com> wrote:
>
> LMI type: Cisco
> keepalive 10s on both side before I disable it
>
> this is exactly the same as other 7 serial.
> but only this 2501 need turn of keep alive.
>
> ----- Original Message -----
> From: "Adel Abouchaev" <adel@netmasterclass.net>
> To: "Kim Gao" <gaoqingli@gmail.com>; <ccielab@groupstudy.com>
> Sent: Thursday, November 03, 2005 11:52 AM
> Subject: Re: weird Frame-relay switch problem
>
>
> > What is LMI on both ends?
> >
> > Adel.
> >
> > ----- Original Message -----
> > From: "Kim Gao" <gaoqingli@gmail.com>
> > To: <ccielab@groupstudy.com>
> > Sent: Thursday, November 03, 2005 8:25 AM
> > Subject: weird Frame-relay switch problem
> >
> >
> >>I setup a lab at home using a bunch of routers
> >>
> >> 4500 8S as a frame-relay switch
> >> s0---s7 connect to different routers's S0 using cross DTE/DCE cable
> >>
> >> On all the serial of 4500, it looks like this:
> >> interface Serial1
> >> no ip address
> >> no ip directed-broadcast
> >> encapsulation frame-relay
> >> clockrate 64000
> >> frame-relay intf-type dce
> >> frame-relay route 102 interface Serial2 201
> >> frame-relay route 103 interface Serial3 301
> >> frame-relay route 104 interface Serial4 401
> >> frame-relay route 105 interface Serial5 501
> >> frame-relay route 106 interface Serial6 601
> >> frame-relay route 107 interface Serial7 701
> >> frame-relay route 108 interface Serial0 801
> >>
> >> On all the DTE routers's s0:
> >>
> >> interface Serial0
> >> no ip address
> >> encapsulation frame-relay
> >> no ip mroute-cache
> >> no frame-relay inverse-arp
> >>
> >> All the connection are up except one 2501, the
> >> protocol is down.
> >> I tried to add no keepalive on that 2501 's S0 and the
> >> corresponding Serial on 4500,
> >> then protocol turns up.
> >>
> >> BUT I do not need to do that on any other serials.
> >> Can anyone guess a reason?
> >>
> >> Thanks a lot!
> >>
> >> _______________________________________________________________________
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