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  Asked: Mar 1 2007   12:34 AM GMT
  Asked by: Wholesome

Trunking and VLAN's with Procurve


Networking, Hardware, Routers, Switches, Hubs, Cabling, Hewlett-Packard

I have 2 ProCurve switches (2848 & 4104) that I'm running 2 VLAN's on. I'm trying to connect the two via a 5 port trunk. Can I setup this trunk to share the 2 VLANs, or must I define 2 trunks? If I can do it with a single trunk, how is that done? I've already defined the trunk as tagged in both VLANs, but it's still only allowing the default VLAN across the trunk.

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Last Answered: Mar 1 2007  3:00 PM GMT  by astronomer




I haven't done this so I suggest you check with procurve support. The 2848 has a lifetime warranty so they should be able to help you. In my experience, they have been better than cisco.
rt
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tbitner  |   Mar 5 2007  10:53AM GMT

I would check the manual on the 2848 & 4104 switches first. I know the 4108 supports redundant trunk links but the 4000m does not (even though these aren’t the same models as yours). So it may be possible that one switch is implementing VLANs differently than the other. Again, procurve support could definitely help you with this.

You may have network loops if using more than one port to connect both switches. Make sure both ports are tagged on each end and the vlan ID’s match.