Introducing DHCP
Subject:   Production Environments
Date:   2003-04-18 04:02:20
From:   anonymous2
It would be nice if you said a few things (since you're plannng for this to be a series) about DHCP in production environments. Typically I've seen DHCP used to handle desktops, but a lot of people are a bit wary of using it to assign IPs to production servers.

This leaves the problem of how to administer large production environments using DHCP. On the one hand, it's a hassle to assign IPs manually and on the other hand if the DHCP server goes down and someone tries to renew a lease, you lose a production system temporarily, and perhaps you lose more than one.

I know that failover and redundancy or on the horizon for ISC's dhcpd, but that's only part of the solution...

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  • Production Environments
    2003-04-24 08:41:56  Dustin Puryear | O'Reilly Blogger [View]

    A common solution when using DHCP with servers is to have a reasonable renew time but a long expire time. That way if you lose DHCP service you won't find half of your servers without IP addresses.

    You can also easily setup a backup DHCP server that comes online if it detects the primary DHCP server has died. This can be done manually and can be quite effective.

    Perhaps an article re: DHCP and servers is not a bad idea.

    I personally much prefer to use DHCP when assigning IPs to servers. However, there are some obvious security issues that must be considered.