Configuring VLANs - Why is IP address require on NIC connected to Trunk?

Nikos Vassiliadis nvass9573 at
Thu Jun 18 14:16:45 UTC 2009

Geoff Roberts wrote:
> I find I have to give the ext0 interface an IP address in order for routing 
> and packet filtering to work on the attached VLANs.
> a) Is there a way to configure this so that I don't have to give ext0 an IP 
> address?

Yes, you just have to "up" the interface:

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