[HPADM] 2 Cisco VLANs on one NIC

From: Adams, John (John.Adams@molex.com)
Date: Mon Dec 30 2002 - 18:17:00 EST


I haven't quite seen this addressed in the archives, but don't see
exactly the answer I'm looking for.

I believe this is a Cisco question, but since the NICs in question are
HP, I'm asking here.

How do we go about putting 2 IP addresses that would route through
separate VLANs on the same NIC?

More details. We have an old network address scheme, 150.x.y.z that
we're wanting to replace with a new scheme, 10.x.y.z, for obvious
reasons.

The plan is to add an alias (ifconfig lanx:1 10.x.y.z) to each lan
connection. Eventually, we switch this around so 10.x.y.z is the lanx
configuration and lanx:1 is 150.x.y.z, then remove lanx:1 entirely.

The problem is that the Cisco treats 150.x.y.z as VLAN 1 and 10.x.y.z as
VLAN 2, and when we go to assign both to the same port, the NIC can't
talk on either.

Anyone know a way around this short of buying more NICs?

J

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