From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue Oct 26 2004 - 13:34:33 GMT-3
The router will send an ICMP echo to an address before it attempts to
assign it. If it receives a response it will not assign the address, as
it's already taken.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> ccie Meftahi
> Sent: Tuesday, October 26, 2004 4:10 AM
> To: Grant Stevenson; ccielab@groupstudy.com
> Subject: RE: DHCP back to basics
>
> Hi Grant
>
> Personally, I am inclined to exclude anything already assigned and be
> safe. But I am still not 100% sure ful mark woul dbe awarded.
>
> Thanks
>
> Sam
>
> Grant Stevenson <grant.h.stevenson@virgin.net> wrote:
> Hi Sam,
>
> Good question, I have always included the routers address in the
exclude
> statement. To take the scenerio a bit further, what if your using two
> routers on a common LAN, one being the DHCP router with the second
just
> being a backup gateway i.e HSRP?
>
> I would then include remote routers address and HSRP address, but if
the
> router is clever enough and is the active HSRP gateway, do you need
it?
>
>
> Cheers Grant
>
> PS will play
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> ccie Meftahi
> Sent: 26 October 2004 07:41
> To: ccielab@groupstudy.com
> Subject: DHCP back to basics
>
>
> Looking at Cisco press LAB book, when configuring DHCP only the
default
> routers are excluded.
>
> Is it best practice to exclude the acting DHCP router ( though it will
> never
> assign its own IP) as well as DNS servers. These ones seem to have
been
> omitted.
>
> Any clarifications or rule of thumb would be helpful.
>
> TIA
>
> Sam
>
>
>
>
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This archive was generated by hypermail 2.1.4 : Sat Nov 06 2004 - 17:11:53 GMT-3