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тАО06-28-2007 04:50 AM
тАО06-28-2007 04:50 AM
Help with VLAN and Routing Issues
On the core switch all VLAN and routing works perfectly. I have 3 VLAN's as follows:
VLAN 1 - 10.1.0.0/16
VLAN 2 - 10.2.0.0/16
VLAN 3 - 10.3.0.0/16
I have trunked the fibre ports (E3 on the core and port 50 on the edge) into Trk1.
VLAN 2 and 3 are used for the VoIP systems and VLAN 1 is purely for computers and servers (at the moment)
I had this working on the 2650 but then all of a sudden it stopped. Can someone have a blast over the configs and if needed point me right please? Probably something stupid but it has been bugging me all day.
For reference:
MACAD-CORE01 = 5412zl
MACAD-EDGE01 = 2650 PWR
Many thanks!
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тАО06-28-2007 08:01 AM
тАО06-28-2007 08:01 AM
Re: Help with VLAN and Routing Issues
I have spanning tree enabled and obviously this is going to be enabled on all ports at present. So I really need to disable these for all uplinks etc. arn't I?
Also on the 2650 switches I don't need all those IP's on the VLAN's either do I? I only need 1 per switch ideally on the VLAN1 PC and Server VLAN....
Any thoughts appreciated thanks!
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тАО06-28-2007 09:00 PM
тАО06-28-2007 09:00 PM
Re: Help with VLAN and Routing Issues
2. port 50 is "no LACP". Do the same for port E3. See that the speeds, duplex and flow control also match for these two.
3. If you only have one physical link between the switches (port 5412zl#E3 to 2650PWR#50), you don't need trunking: trunking is used for 2+ physical uplinks in the HP world. For Cisco, trunking means 802.1Q. Don't get confused by the definition of trunking HP vs. Cisco.
4. Use 802.1Q tagging only for 2 of the VLANs (the VOIP ones), leave the other one VLAN (the PC one) Untagged for 5412zl#E3 and 2650PWR#50
Should work.
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тАО06-28-2007 09:50 PM
тАО06-28-2007 09:50 PM
Re: Help with VLAN and Routing Issues
Set that now and will see if that works.
Will let you know.
Trunking is done as I will have some more ports to do shortly, just haven't had them yet.
Cheers for the advice!
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тАО07-01-2007 07:12 AM
тАО07-01-2007 07:12 AM
Re: Help with VLAN and Routing Issues
My Core is working perfectly. All VLANs are working correctly.
Messed around with this 2650PWR switch and it seems to get connection. Then lose it when I don't make any config changes. Tried factory defaults and reconfigure but then it struggles to get connectivity. The only way it gets connectivity again is if I assign IP addresses to each VLAN on the edge. And then it drops. If I set a management address then leave the others as disabled it doesn't even connect.
Really stuck now ready to hoy it ooot the window!
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тАО07-01-2007 02:04 PM
тАО07-01-2007 02:04 PM
Re: Help with VLAN and Routing Issues
I would be checking your spanning-tree to make sure it's not blocking ports you don't expect it to be. (show span).
Also, you probably want to make the 5412 the spanning-tree root:
e.g.
spanning-tree priority 1.
If you're still not having any luck, I'd suggest you collect 'show tech' reports from them, draw up a quick network map and open a case with support.
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тАО07-01-2007 06:07 PM
тАО07-01-2007 06:07 PM
Re: Help with VLAN and Routing Issues
Glad it isn't something painfully obvious in a way, and shame it isn't.
Might be a faulty switch. Got a spare one going to patch in today so will go from there.
Cheers for your help guys.