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  • 1.  vlan access port

    Posted Sep 17, 2013 11:37 PM

    I have 2 ports connected as access ports to a cisco ucs server. The access vlan is set on the port as 300.

    I also configured a portgroup without any vlan tagging (vlan 0) and setup the ip on the vm in the 300vlan and its works fine.

    however when I setup another vm in vlan50 on the same port group (300), it is still accessible.

    any idea why?

    the port config is

    interface Ethernet121/1/37

      switchport access vlan 300

      spanning-tree port type edge

      no shutdown



  • 2.  RE: vlan access port

    Posted Sep 18, 2013 09:40 AM

    Please attach the screen shot of the vSwithch or vDS of vcenter

    Both the ports are still access ports on vlan 300 , so it is accessible

    Venkat

    http://www.peeradmin.com



  • 3.  RE: vlan access port

    Posted Sep 18, 2013 09:48 AM

    The VLAN ID 0 is used when a device needs to send priority-tagged frames but does not know in which particular VLAN it resides.

    So if you Have VLAN 0 all the packets will be transmitted independent of which VLAN its coming from. Doesn't matter whether its 300 or 50.



  • 4.  RE: vlan access port

    Posted Sep 18, 2013 09:49 AM

    If you want just 300 VLAN's traffic to flow out of that port group tag the VLAN as 300. then 50 wont work.



  • 5.  RE: vlan access port

    Posted Sep 24, 2013 07:19 AM

    Hello,

    switchport access vlan 300

    This means, that your port depends on vlan 300 not 50.

    So you need to configure port

    switchport access vlan 50

    Hope will help.

    Your Oscar