04-14-2010 05:01 AM - edited 03-06-2019 10:36 AM
Hello,
I have the scenario attached, this scenario the wan is frame-relay
My question is how can a DHCP server remote identify what POOL of IP address to use?
I know I can use a local dhcp server, even the router as dhcp server, but the centralized dhcp is a requirement :/
Solved! Go to Solution.
04-14-2010 05:38 AM
It know because the router insers GW address in the request packet.
Be aware that when WAN is down, the "requirement" becomes a major hinderance, and everyone gets very angry.
04-14-2010 08:23 AM
i think attached document will provide you more information
http://h40060.www4.hp.com/procurve/uk/en/pdfs/5300xl_dhcp_relay.pdf
Shailesh
04-14-2010 05:38 AM
It know because the router insers GW address in the request packet.
Be aware that when WAN is down, the "requirement" becomes a major hinderance, and everyone gets very angry.
04-14-2010 05:52 AM
For instance,
Will F1 forward the dhcp discovery from a workstation to the DHCP server using as source address F1's local ethernet? Is that how it knows ? or is there a option that it uses ?
Thank you!
04-14-2010 08:23 AM
i think attached document will provide you more information
http://h40060.www4.hp.com/procurve/uk/en/pdfs/5300xl_dhcp_relay.pdf
Shailesh
04-14-2010 08:30 AM
Thanks for the help...
I found also these documents very useful
http://www.freesoft.org/CIE/RFC/2131/20.htm
http://www.tarunz.org/~vassilii/TAU/protocols/dhcp/frame.htm
They confirm what shailesh said above
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