VLAN4 goes down for 1 or 2 minute then it automatically goes up

Unanswered Question
Sep 13th, 2010

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Hi ,

I have 2 site one is IPPL(core switch) and  2nd one is IPGCL .IPGCL is connect to IPPL by trunk port. Under IPGCL i have 16 L2 switch that are used ring tropology with IPGCL. (A (PPCL)--------> B (IPGCL) --> C --> D ----> ……..      --> B). A are the primary swicthes at 2 sites,  Vlan 1 is the native Vlan and  all switches is part of VLAN1 but another 13 VLAN is assign on switch port. now the problem is some time VLAN4 goes down for 1 or 2 minute then it automatically goes up.i have tryed lot of time to find out


Can anybody help me on this.

Thanks

Arup

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Bobby Thekkekandam Mon, 09/13/2010 - 11:27

Hi Arup,

When VLAN4 is down, are there any access ports that are members of VLAN 4 that are up/up OR
is there at least one trunk port that carries VLAN4 that is up/up?

-Bobby

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