From: fwells12 (fwells12@xxxxxxxxxxx)
Date: Mon Feb 05 2001 - 15:16:48 GMT-3
You might think about being more precise with something like:
access-list 101 deny icmp host x.x.x.x host x.x.x.x echo
Doing a deny icmp any could cause you to filter pings and traces from more
than you really want.
----- Original Message -----
From: Chris Mott <cmott@home.com>
To: CCIE <ccielab@groupstudy.com>; BUI, TIN T (SBCSI) <tb4565@sbc.com>
Sent: Monday, February 05, 2001 9:30 AM
Subject: RE: ISDN Backup without the backup interface command?
> use an extended access-list that denies "icmp any any" on top of the other
> interesting traffic you'll have ... ensure of course that this line is
> before the "permit ip any any"
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> BUI, TIN T (SBCSI)
> Sent: Monday, February 05, 2001 10:41 AM
> To: 'Nnanna Obuba'; Miguel A. Ciena; ccielab@groupstudy.com
> Subject: RE: ISDN Backup without the backup interface command?
>
>
> I'm familiar with using ip ospf demand circuit, but I have a question. Is
> there a way to prevent the line to come up via a ping. In other words, I
> only want the isdn line to come up ONLY if the frame relay goes down. I
> don't want it to come up for any other interesting traffic and I don't
want
> to use backup command. What access-list can I use?
>
> > Tin T. Bui
> > Senior Network Manager
> > CCNP, CNE, MCP
> > Network Management Center
> > SBC Services Inc.
> > 7337 Trade Street, Rm 1110
> > San Diego, Ca 92121
> > Office #: 858-886-4644/858-886-4589
> > Pager #: 858-494-0482
> > Fax #: 858-549-4103
> > Email: tb4565@sbc.com
> >
>
>
> -----Original Message-----
> From: Nnanna Obuba [mailto:obuba@bellatlantic.net]
> Sent: Sunday, January 28, 2001 7:11 AM
> To: Miguel A. Ciena; ccielab@groupstudy.com
> Subject: Re: ISDN Backup without the backup interface command?
>
>
> That's no trick, use ospf demand circuit
>
>
> Nnanna Obuba, CCIE # 6586
> www.nantech.com
> Online lab for CCIE Preparation
> ----- Original Message -----
> From: "Miguel A. Ciena" <mac38456@pegasus.cc.ucf.edu>
> To: <ccielab@groupstudy.com>
> Sent: Sunday, January 28, 2001 9:07 AM
> Subject: ISDN Backup without the backup interface command?
>
>
> > Between R3 and R5 I got a ISDN link. I want to configure my ISDN to =
> > back-up my frame relay connection between R3 and R5...Here is the Trick:
=
> > Without using Floating Static and without using the Back-up interface =
> > command..My Frame and ISDN are in OSPF area 0...
> >
> > any ideas..
> >
> >
> >
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:28:37 GMT-3