Re: dhcp default-router vs hsrp [bcc][faked-from]

From: ccie2be (ccie2be@nyc.rr.com)
Date: Tue Jan 04 2005 - 18:51:21 GMT-3


Hi Marvin,

Thanks for your response.

Given the difference in funtionality between these 2 methods, is it your
opinion that in the lab,

if all that is specified is the need for redundancy, we should be bias
towards using hsrp?

Thanks again, Tim

----- Original Message -----
From: "marvin greenlee" <marvin@ccbootcamp.com>
To: "'ccie2be'" <ccie2be@nyc.rr.com>; <ccielab@groupstudy.com>
Sent: Tuesday, January 04, 2005 4:45 PM
Subject: RE: dhcp default-router vs hsrp [bcc][faked-from]

> With DHCP, if multiple default routers are provided, it is up to the host
to
> determine the availability of the gateway, and, if necessary, switch to
the
> next default. Depending on the hosts' functionality, it may not properly
> determine the availability.
>
> By configuring HSRP, you can remove the responsibility for determining
> availability from the host, and let the routers do the work.
>
> - Marvin Greenlee, CCIE#12237, CCSI# 30483
> Network Learning Inc
> marvin@ccbootcamp.com
> www.ccbootcamp.com (Cisco Training)
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> ccie2be
> Sent: Tuesday, January 04, 2005 1:22 PM
> To: Group Study
> Subject: dhcp default-router vs hsrp [bcc][faked-from]
> Importance: Low
>
> Hi guys,
>
> In IE lab 13, task 12.3, the requirement was to provide redundancy for
dhcp
> clients on a given lan segment -
>
> "The default gateway for these hosts should be R6. If R6 is down, R3
should
> be the default gateway."
>
> My immediate thought was to use the dhcp command, default-router <R6's
addr>
> <R3's addr>.
>
> But, the SG shows HSRP being configured instead.
>
> My question is in the real lab, if there's a similar requirement, would
> either
> approach be acceptable?
>
> I acknowledge that using hsrp is probably better for a couple of reasons -
> faster switchover, works with all hosts - but
>
> if I used the default-router command, is that wrong?
>
> TIA, Tim
>
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