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Joined: Feb 2004
Posts: 3
Member
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OP
Member
Joined: Feb 2004
Posts: 3 |
we are running 2 w2k DHCP servers with all the scopes split over the 2 servers for resilience. we are also using layer 3 switches to seperate out the vlans into seperate subnets with a dhcp helper running on the switches to allow all sites to get their addresses from the same 2 servers. The problem is with the dhcp offers from the servers. These are the steps I would expect data vlan = 89.0.0.0 voice vlan = 10.0.0.0 phone - dhcp discovery server - dhcp offer (89.0.0.0 server1) server - dhcp offer (89.0.0.0 server2) phone - dhcp request(89.0.0.0 server1) server - DHCP ACK phone - DHCP release (phone will then switch to voice vlan and restart process) what is happening is this phone - dhcp discovery server - dhcp offer (10.0.0.0 server1) server - dhcp offer (89.0.0.0 server2) phone - dhcp request(10.0.0.0 server2) server - DHCP NACK
this is happening on both vlans and both servers. depending on which offer the phone picks up decides whether the phone will boot
any help would be greatly appreciated been working on this for a fortnight
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