RE: DHCP config on an HSRP segment

From: Mark H. Turpin (MHTurpin@basspro.com)
Date: Thu Nov 11 2004 - 18:55:40 GMT-3


I think I would setup DHCP/HSRP in the following fashion:

 - Default gateway 1.1.1.1/24 (and standby ip)
 - Primary Router 1.1.1.2/24
 - Secondary Router 1.1.1.3/24
 - Exclude 1.1.1.4-254/24

if I was trying to determine the maximum number of addresses for
clients...

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
ccie2be
Sent: Thursday, November 11, 2004 2:03 PM
To: Group Study
Subject: DHCP config on an HSRP segment

Hi guys,

Here's the scenario:

rtr-A rtr-B
 |-------------------------|
             ^
         vlan 10

I have an HSRP segment where rtr-A and rtr-B are the hsrp routers. In
addition, dhcp is configured on rtr-A to provide addresses to hosts on
vlan
10, when I configure dhcp, what addresses must be excluded from the
dhcp pool
so that the maximum number of addresses are available to lease to dhcp
clients?

DHCP is configured so that hosts on vlan 10 are told their default
router is
the virtual ip address created by hsrp.

rtr-A's physcial ip address is 1.1.1.1/24
rtr-B's physical ip address is 1.1.1.11/24

hsrp virtual ip address is 1.1.1.23/24

Also, in the real lab where there aren't any actual hosts on the
segment, what
should be done to verify the dhcp configuartion to make sure the config
is
correct?

TIA, Tim



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