IPMI + VLAN + DHCP on PE 850
Willem de Groot
willem at byte.nl
Wed May 10 10:02:56 CDT 2006
Did anyone get this setup working? I suspect a bug in BMC.
Hypothesis: BMC on PE 850 fails to flag DHCP request with the
appropriate VLAN id _and_ it will only listen for packets on the
configured VLAN, so it is impossible to use DHCP and VLAN
Through the BIOS, I have configured IPMI to use DHCP and VLAN id 3.
Using tcpdump on another host I see DHCP requests arriving on the
untagged VLAN (id 2). If I configure the DHCP server to listen on the
untagged VLAN, a DHCP offer is sent back, but seems to be discarded
because another DHCP request arrives in about a minute.
I cannot get IPMI to use VLAN + DHCP to work on all of my PE 850's. It
does work well however on my PE 2850. Both have BMC 1.52 (according to
Can anyone confirm?
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