[TriLUG] dhcp relay question

[Chris Hedemark]

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On Tuesday, May 13, 2003, at 08:43 AM, Mike Johnson wrote:

> Yes.  DHCP is ethernet broadcast, which is not repeated by layer 3
> (routers) devices (normally), only layer 2 (switches/hubs).  If you
> set your routers to relay DHCP, they'll do what you want.

Note that most Cisco devices allow you to enable a DHCP helper to have 
a client on one network use a DHCP server on another.  It works pretty 
well in a LAN environment but I wouldn't trust it over WAN (WAN link 
goes down, suddenly DHCP leases aren't renewing and you can't even get 
to the local resources).

- --
"Next the statesmen will invent cheap lies, putting the blame upon the 
nation that is attacked, and every man will be glad of those 
conscience-soothing falsities, and will diligently study them, and 
refuse to examine any refutations of them; and thus he will by and by 
convince himself that the war is just, and will thank God for the 
better sleep he enjoys after this process of grotesque self-deception."
- -Mark Twain, "The Mysterious Stranger" 
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