From: elpingu (elping@xxxxxxxxxx)
Date: Wed May 15 2002 - 23:46:31 GMT-3
unless i overlooked something it looks good to me...
sometime i have to reboot when i make many changes to the isdn line .
Budiman Notorahardjo wrote:
> Hi guys,
>
> I have one headquarter router (HQ) and two branch routers (SLS and IBP).
> These 2 branch routers are connected to HQ via ISDN.
> HQ uses PRI interface meanwhile SLS and IBP use BRI interfaces.
> The branch routers will trigger link if there is interesting packet.
>
> The ISDN configuration in HQ is:
> username SLS password cisco
> username IBP password cisco
> interface Serial1/1/1:15
> ip address 43.68.105.1 255.255.255.0
> encapsulation ppp
> dialer idle-timeout 60
> dialer map ip 43.68.105.2 name SLS
> dialer map ip 43.68.105.8 name IBP
> dialer hold-queue 5
> dialer-group 1
> ppp authentication chap
> ppp multilink
> hold-queue 75 in
> dialer-list 1 protocol ip permit
>
> The ISDN configuration in SLS is:
> username HQ password cisco
> interface BRI0
> ip address 43.68.105.2 255.255.255.0
> encapsulation ppp
> dialer idle-timeout 60
> dialer map ip 43.68.105.1 name HQ 68575757
> dialer load-threshold 128 either
> dialer-group 1
> ppp authentication chap
> ppp multilink
> hold-queue 75 in
> dialer-list 1 protocol ip permit
>
> The ISDN configuration in IBP is:
> username HQ password cisco
> interface BRI0
> ip address 43.68.105.8 255.255.255.0
> encapsulation ppp
> dialer idle-timeout 60
> dialer map ip 43.68.105.1 name HQ 68575757
> dialer load-threshold 128 either
> dialer-group 1
> ppp authentication chap
> ppp multilink
> hold-queue 75 in
> dialer-list 1 protocol ip permit
>
> The problem is:
> SLS router can connect to HQ successfully, but IBP router cannot.
> If I see the debug ISDN and PPP, the status of BRI is connected and PPP
> authentication is successful.
> The PPP negotiation is also successful, and the status of IPCP is open.
>
> But, if I remove "dialer map ip 43.68.105.8 name IBP" command in HQ router,
> IBP can connect successfully.
> It is very weird, because the configuration of SLS and IBP are same.
> The difference between SLS and IBP is in IOS.
> HQ and SLS use IOS version 11.3, meanwhile IBP uses the newest IOS which is
> 12.2(7a).
>
> Have you ever encountered similar problem?
>
> Thanks,
> Budiman N
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