From: k c (jwongccie@yahoo.com.hk)
Date: Mon Jan 12 2004 - 08:39:05 GMT-3
Hi group,
On same subnet, I have two routers act as DHCP relay agents with command "ip helper-address" pointing to different external DHCP servers. In case the client broadcast the DHCP request packets and both two routers will redirect the packets to DHCP servers. DHCP servers will reply to the relay agents respectively. I have the following queries:
1) Will the DHCP client reject one of the returned DHCP reply.
2) In subsequent DHCP renew process, are there any conflict exist since both DHCP relay agent will redirect the renew request to different DHCP servers. But only one should renew the IP address, the other one should reject, am I correct?
3) Just want to know what the DHCP server will do if it receives a DHCP renew packet, but the previous IP address leased doesn't belong to this server (assume separate IP pool). Reject or try to lease another IP address to the client?
4) What other potential problems when deploying two DHCP relay agents on same subnet?
Thanks.
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