From: Yunjie Chen (ychen@houston.sns.slb.com)
Date: Wed Feb 12 2003 - 12:16:16 GMT-3
Thanks a lot everybody. After the ISDN switch and router BRI interfaces
being reset and , everything works eventually...
Appreciate your help!
Kind regards.
Yunjie
At 10:40 PM 2/11/2003 -0600, Peter wrote:
>This is exactly what the state is when everything is OK from layer 2
>perspective, at least with Atlas 800 ISDN simulator. If you can post the
>configs maybe we can find the problem elsewhere.
>
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>
>----- Original Message -----
>From: "Yunjie Chen" <ychen@houston.sns.slb.com>
>To: "Group Study CCIE LAB" <ccielab@groupstudy.com>
>Sent: Tuesday, February 11, 2003 5:09 PM
>Subject: Question for ISDN
>
>
> > folks:
> > I was doing a very simple ISDN lab and encoutered the problem which is,
> >
> >
> > r4#show isdn status
> > Global ISDN Switchtype = basic-ni
> > ISDN BRI0/0 interface
> > dsl 0, interface ISDN Switchtype = basic-ni
> > Layer 1 Status:
> > ACTIVE
> > Layer 2 Status:
> > TEI = 125, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
> > TEI = 65, Ces = 2, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
> > TEI 125, ces = 1, state = 5(init)
> > spid1 configured, spid1 sent, spid1 valid
> > Endpoint ID Info: epsf = 0, usid = 1, tid = 1
> > TEI 65, ces = 2, state = 5(init)
> > spid2 configured, spid2 sent, spid2 valid
> > Endpoint ID Info: epsf = 0, usid = 3, tid = 1
> > Layer 3 Status:
> > 0 Active Layer 3 Call(s)
> > Active dsl 0 CCBs = 0
> > The Free Channel Mask: 0x80000003
> > Number of L2 Discards = 0, L2 Session ID = 3
> > Total Allocated ISDN CCBs = 0
> >
> > r5#show isdn stat
> > Global ISDN Switchtype = basic-ni
> > ISDN BRI0/0 interface
> > dsl 0, interface ISDN Switchtype = basic-ni
> > Layer 1 Status:
> > ACTIVE
> > Layer 2 Status:
> > TEI = 123, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
> > TEI = 124, Ces = 2, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
> > TEI 123, ces = 1, state = 5(init)
> > spid1 configured, spid1 sent, spid1 valid
> > Endpoint ID Info: epsf = 0, usid = 2, tid = 1
> > TEI 124, ces = 2, state = 5(init)
> > spid2 configured, spid2 sent, spid2 valid
> > Endpoint ID Info: epsf = 0, usid = 4, tid = 1
> > Layer 3 Status:
> > 0 Active Layer 3 Call(s)
> > Active dsl 0 CCBs = 0
> > The Free Channel Mask: 0x80000003
> > Number of L2 Discards = 0, L2 Session ID = 0
> > Total Allocated ISDN CCBs = 0
> >
> >
> > The Layer2 state of both R4 and R5 are always (init) instead of
> > (established), although it says MULTIPLE_FRAME_ESTABLISHED. Therefore, no
> > connection can be set up between these two routers. I reset the ISDN
> > switch, shut down/no shut both routers' BRI interface... none of them
>works...
> > any comments?
> >
> > Thanks a lot!
> > .
>.
.
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