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Jacobw

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20 years ago

J

Jacobw

14 Posts

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34042

October 17th, 2006 15:00

VLAN LAG Settings

Hello,
 
   I am using VLAN's on my network and those are tied to ports (membership) which are either in trunk or access mode.  I have LAG's that connect my 3348 and 3448 switches to a 6024.   I have a switch management VLAN set up which is 200.  Now, I have two of the LAGs in that 200 PVID and two LAGs that have the default PVID 1; all the LAGs are in General VLAN mode.  Usually I define my VLAN Membership via the VLAN membership. 
In VLAN membership: under VLAN ID of 200 among many other VLANs all LAG groups are trunked which I think that's the way it should be.  My question is what needs to be defined in the VLAN LAG settings? Should the mode be changed to Access instead of General?  Does it matter that two LAGs are PVID 200 and the other two are PVID 1? 
 
I appreciate the help.  Thanks!
  • C

    cerbera_a84f2d

    176 Posts

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    0

    Posted October 23rd, 2006 07:00

    I'm assuming you want VLAN 200 to traverse across the 33xx , 34xx and 6024 switches?
     
    If so, then the LAGs linking the switches together should be configured as trunks, and then the LAGS should be placed as tagged ports in all of the VLANs you want to run across the switches. 
     
    For interswitch links configured as 802.1q trunks, the PVID doesn't come in to play, since all packets on these links should be already be tagged based on the PVID of the port where they entered the switch or the VLAN tag they carried when they arrived at the switch if sent from an 802.1q aware device.

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