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DHCP Stateful Caching

Unanswered Question
Oct 2nd, 2003
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Guys, Have a very simple DHCP config for our network lab so all our test PCs can source addresses.


Config on Router10


ip dhcp excluded-address 10.10.10.1 10.10.10.99

ip dhcp excluded-address 10.10.10.200 10.10.10.255

!

ip dhcp pool 10net

network 10.10.10.0 255.255.255.0

domain-name testlabuk.com

dns-server 10.10.20.1

default-router 10.10.10.10

!

interface Ethernet0

ip address 10.10.10.10 255.255.255.0

!



So, two questions.


If i switch the route off, all my bindings disapear and what happens if I want to add another router to my LAN with an HSRP addr ? one router would assign all adresses, wot about failover?


Is there anything like MSDP for DHCP?


I know, just put in a real DHCP server I hear you say :))


Many thx,

Ken


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didyap Wed, 10/08/2003 - 12:20
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Using HSRP only one router will be active at one point of time. HSRP uses a virtual ip address which is used by both the active and standy routers, so there will be no problem at the time of failover.

The ip helper-address can be used to point the devices in the LAN to the DHCP server. There are no known probelms between HSRP and DHCP.

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