From: Scott Morris (smorris@ipexpert.com)
Date: Mon Dec 24 2007 - 12:35:56 ART
With ping (extended) you can also use the Record feature to provide an ICMP
version of traceroute! (traceroute on IOS is UDP-based)
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713, JNCIE-M
#153, JNCIS-ER, CISSP, et al.
CCSI/JNCI-M/JNCI-ER
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Dan
C
Sent: Monday, December 24, 2007 7:18 AM
To: mgreenlee@ipexpert.com
Cc: ccie ccie; Cisco certification
Subject: Re: Routing Loop Detection & Fix
Hi Mike,
Ping with debug ip icmp and traceroute would help too....
Cheers,
Dan
On Dec 24, 2007 5:20 PM, <mgreenlee@ipexpert.com> wrote:
> Shows and debugs won't "fix" a problem, although they can be used to
> diagnose a problem. In general, blindly turning on debugs in a
> production network is not recommended. For testing, debug ip routing
> is one of the most useful ways to see just how stable your routing tables
are.
>
>
> Debug ip routing (if topology is stable, shouldn't be much activity)
> Debug ip mrouting Debug ipv6 routing
>
> Show ip route
> Show ipv6 route
> Show ip mroute
>
> Marvin Greenlee, CCIE #12237 (R&S, SP, Sec) Senior Technical
> Instructor - IPexpert, Inc.
> A Cisco Learning Partner - We Accept Learning Credits!
> Telephone: +1.810.326.1444
> Fax: +1.810.454.0130
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>
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of ccie ccie
> Sent: Monday, December 24, 2007 1:11 AM
> To: Cisco certification
> Subject: Routing Loop Detection & Fix
>
> Hi Expert,
>
> How to detect the routing loop, with respect to below protocol. List
> of show & debug command to fix this kind problem will be graet help.
>
> IPv6
> PIM
> BGP
> OSPF
> EIGRP
> RIP
> IS-IS
>
> Regards,
> Mike
>
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