Re: Transparent Bridging over DDR

From: Bob Sinclair (bsin@cox.net)
Date: Thu Nov 27 2003 - 12:51:21 GMT-3


William,

Good question! Seems either should work. If you post your configs perhaps
someone can spot the issue you are having.

-Bob Sinclair
 CCIE #10427, CISSP, MCSE
 bsinclair@netmasterclass.net

----- Original Message -----
From: "William Chen" <kwchen@netvigator.com>
To: "Bob Sinclair" <bsin@cox.net>; <ccielab@groupstudy.com>
Sent: Thursday, November 27, 2003 10:41 AM
Subject: Re: Transparent Bridging over DDR

> Hi Bob,
>
> What is the different between "dialer-list 1 protocol bridge permit"
> with "dialer-list 1 protocol bridge list 201 AND access-list 201 permit
> 0x0000 0xFFFF".
>
> -- William Chen
>
> ----- Original Message -----
> From: "Bob Sinclair" <bsin@cox.net>
> To: "William Chen" <kwchen@netvigator.com>; <ccielab@groupstudy.com>
> Sent: Thursday, November 27, 2003 10:34 PM
> Subject: Re: Transparent Bridging over DDR
>
>
> > William,
> >
> > There are some good example configs on CCO regarding bridging over ISDN.
> > Here is the relevant portion from one of them: Apparently you need to
> > permit all protocol types:
> >
> >
> > interface BRI0
> > description ISDN TO ROUTER2
> > encapsulation ppp
> > dialer map bridge name ROUTER2 speed 56 5773756
> > dialer-group 1
> > bridge-group 1
> > isdn spid1 0177104130 7710413
> > ppp authentication chap
> > !
> > dialer-list 1 list 101
> > !
> > bridge 1 protocol ieee
> > !
> > ! Permit all bridged packets
> > access-list 201 permit 0x0000 0xFFFF
> > !
> > dialer-list 1 LIST 201
> >
> >
> >
> > -Bob Sinclair
> > CCIE #10427, CISSP, MCSE
> > bsinclair@netmasterclass.net
> >
> >
> > ----- Original Message -----
> > From: "William Chen" <kwchen@netvigator.com>
> > To: <ccielab@groupstudy.com>
> > Sent: Thursday, November 27, 2003 4:27 AM
> > Subject: Transparent Bridging over DDR
> >
> >
> > > Dear Group,
> > >
> > > I try to understand the running transparent briding over DDR. If I
> want
> > to make the spanning tree BPDU as the interesting packet to keep the
dial
> > interface up, what should I do?
> > >
> > > I found that just by the command "dialer-list 1 protocol bridge
permit"
> > will not preventing the line from idle. What is the transparent bridge
> > packets includes actually?
> > >
> > > Best Regards,
> > > William Chen
> > >
> > >



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