From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Fri May 21 2004 - 16:18:59 GMT-3
What is UDL ?
Kenneth Wygand wrote:
> No takers on this one, huh?
>
> Kenneth E. Wygand
> Systems Engineer, Project Services
> CISSP #37102, CCNP, CCDP, ACSP, Cisco IPT Design Specialist, MCP, CNA,
> Network+, A+
> Custom Computer Specialists, Inc.
> "The only unattainable goal is the one not attempted."
> -Anonymous
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Kenneth Wygand
> Sent: Thursday, May 20, 2004 9:34 PM
> To: Church, Chuck; Ahmed Mustafa; ccielab@groupstudy.com
> Subject: Quiz Question of the Day 20040520
>
> Hello everybody!
>
> Quiz question for the day - this is a snip-it of "debug standby" and
> "debug IP packet" of an HSRP negotiation. What are some possible
> reasons why this is happening? (I know the answer, I broke it on
> purpose). You can tell me technically (i.e. because you are missing a
> command blah blah blah) or theoretically (i.e. the LSA exchange between
> the two OSPF neighbors is not exchanging blah blah blah...). If you
> think you have the right answer, lab it up and see if you can reproduce
> the following output!
>
> Good luck!
> Ken
>
> <snip>
> 15:32:06: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:06: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:06: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:07: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:07: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:09: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:09: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:09: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:09: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:10: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:10: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:11: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:11: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:11: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:11: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:13: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:13: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:14: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:15: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:15: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:15: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:16: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:16: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:17: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:17: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:17: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:17: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:18: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:18: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:20: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:20: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:20: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:20: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:21: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:21: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:23: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:23: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:23: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:23: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:24: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:24: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:25: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:25: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:25: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:25: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:27: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:27: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:28: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:28: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:28: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:28: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:30: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:30: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:31: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:31: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:31: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:31: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:32: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:32: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:34: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:34: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:34: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:34: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:35: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:35: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:37: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:37: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:37: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:37: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:37: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:37: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:40: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:40: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:40: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:40: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:40: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:40: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:42: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:42: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:42: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:42: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:43: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:43: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicastu al
> 15:32:46: IP: s=12.12.12.1 (Ethernet0), d=224.0.0.2, len 48, rcvd 2
> 15:32:46: SB0:Ethernet0 Hello in 12.12.12.1 Active pri 90 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:46: SB0:Ethernet0 Coup out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12.
> 12.254
> 15:32:46: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> ad/multicast
> 15:32:46: SB0:Ethernet0 Hello out 12.12.12.2 Active pri 95 hel 3 hol 10
> ip 12.12
> .12.254
> 15:32:46: IP: s=12.12.12.2 (local), d=224.0.0.2 (Ethernet0), len 48,
> sending bro
> al
> All possible debugging has been turned off
> r2#d/multicast
> r2#
> </snip>
>
> -----Original Message-----
> From: nobody@groupstudy.com on behalf of Church, Chuck
> Sent: Sun 5/16/2004 5:05 PM
> To: Ahmed Mustafa; ccielab@groupstudy.com
> Cc:
> Subject: RE: HSRP
>
>
>
> Picture 2 routers, each with a single connection to the LAN
> (where the
> HSRP is run) and a single WAN connection, each to the same
> destination.
> You want router 'A' to be the active HSRP router, because it's
> WAN
> connection is a DS-3. Router 'B' has a T1. So you tell router
> 'A' to
> preempt, because if the DS-3 is up, you want it to assume the
> HSRP
> address right away. On the other hand, if 'B' becomes the
> higher
> priority HSRP router, it's because 'A' lowered it's priority due
> to the
> tracking of the failed DS-3. So you'd want 'B' to be able to
> preempt
> also. Hope that clears it up.
>
>
> Chuck Church
> Lead Design Engineer
> CCIE #8776, MCNE, MCSE
> Wam!Net Government Services - Design & Implementation Team
> 13665 Dulles Technology Dr. Ste 250
> Herndon, VA 20171
> Office: 703-480-2569
> Cell: 703-819-3495
> cchurch@wamnetgov.com
> PGP key:
>
> http://pgp.mit.edu:11371/pks/lookup?op=index&search=cchurch%40wamnetgov.
> com
>
> -----Original Message-----
> From: Ahmed Mustafa [mailto:ahmed.mustafa@sbcglobal.net]
> Sent: Sunday, May 16, 2004 2:44 PM
> To: Church, Chuck
> Subject: Re: HSRP
>
> Is there any practical example you can give. Why would you want
> to
> configure preempt at both ends if tracking is configured.
> ----- Original Message -----
> From: "Church, Chuck" <cchurch@wamnetgov.com>
> To: <EdmondsSG@aol.com>; <james@net-brigade.com>;
> <ahmed.mustafa@sbcglobal.net>; <ccielab@groupstudy.com>
> Sent: Sunday, May 16, 2004 9:41 AM
> Subject: RE: HSRP
>
>
> > That's the exception. If you're using tracking and the
> priority can
> > shift from one side to the other, then you'd want preempt on
> both. I
> > was basing what I said on the example given. Sorry if I
> confused
> > anyone.
> >
> >
> > Chuck Church
> > Lead Design Engineer
> > CCIE #8776, MCNE, MCSE
> > Wam!Net Government Services - Design & Implementation Team
> > 13665 Dulles Technology Dr. Ste 250
> > Herndon, VA 20171
> > Office: 703-480-2569
> > Cell: 703-819-3495
> > cchurch@wamnetgov.com
> > PGP key:
> >
>
> http://pgp.mit.edu:11371/pks/lookup?op=index&search=cchurch%40wamnetgov.
> > com
> >
> >
> >
> >
> > _____
> >
> > From: EdmondsSG@aol.com [mailto:EdmondsSG@aol.com]
> > Sent: Sunday, May 16, 2004 11:59 AM
> > To: Church, Chuck; james@net-brigade.com;
> ahmed.mustafa@sbcglobal.net;
>
> > ccielab@groupstudy.com
> > Subject: Re: HSRP
> >
> >
> > When you use 'standby track' command with HSRP - i belive you
> need
> > prempt on both sides.
> >
> > any comments?
> >
> > Simon
> >
> >
> ______________________________________________________________________
> > _ Please help support GroupStudy by purchasing your study
> materials
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>
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> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> http://shop.groupstudy.com
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> http://shop.groupstudy.com
>
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> http://www.groupstudy.com/list/CCIELab.html
>
-- Carlos G Mendioroz <tron@huapi.ba.ar>
This archive was generated by hypermail 2.1.4 : Wed Jun 02 2004 - 11:12:14 GMT-3