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Community Member

DHCP and 3845s

I have x2 3845s running IOS security and HSRP.

I would like to run DHCP from these routers, but was wondering what happens in a failover situation?

Can the DHCP leases be sync'd between these routers?

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Hall of Fame Super Gold

Re: DHCP and 3845s

Kyriacos

If what you mean in your question is to establish sync between the routers so that if a user had obtained an address from one router, the other router would know about it and if the first router had failed that the second router would renew that particular address to the user when the renew request came in, I am not aware of any way to sync leases between the routers. But I would think it would work to configure DHCP on both routers, give each router its own separate pool of addresses, and let each router offer addresses to users. That way even if the first router fails, users will still obtain addresses.

HTH

Rick

Community Member

Re: DHCP and 3845s

Thanks,

Thats usefull info.

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