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Community Member

Trunking between 2 6509's and multiple 4506's

I have 2 cat6509 distro switches with multiple 4506 access switches. I have redundant links from the 4506's to the 6509's. Cant seem to get both 6509's to trunk all vlans across all ports.

2 REPLIES

Re: Trunking between 2 6509's and multiple 4506's

What are the trunk settings you have set on either ends ?

Community Member

Re: Trunking between 2 6509's and multiple 4506's

output of 6509: Distro 1

Port Mode Encapsulation Status Native vlan

-------- ----------- ------------- ------------ -----------

1/1 auto n-dot1q trunking 1

1/2 on dot1q trunking 1

4/6 auto n-dot1q trunking 1

4/8 auto n-dot1q trunking 1

15/1 nonegotiate isl trunking 1

Port Vlans allowed on trunk

-------- ---------------------------------------------------------------------

1/1 90-91,1025-4094

1/2 90-91,1025-4094

4/6 99,200-299,1025-4094

4/8 99,200-299,1025-4094

15/1 1-1005,1025-4094

Port Vlans allowed and active in management domain

-------- ---------------------------------------------------------------------

1/1 90-91

1/2 90-91

4/6 99,251-253

4/8 99,251-253

15/1 90-91,99,251-253

Port Vlans in spanning tree forwarding state and not pruned

-------- ---------------------------------------------------------------------

1/1

1/2 90-91

4/6

4/8 99,251-253

15/1 90-91,99,251-253

output of 6509: Distro 1

Port Mode Encapsulation Status Native vlan

-------- ----------- ------------- ------------ -----------

1/1 auto n-dot1q trunking 1

1/2 on dot1q trunking 1

4/6 auto n-dot1q trunking 1

4/8 auto n-dot1q trunking 1

15/1 nonegotiate isl trunking 1

Port Vlans allowed on trunk

-------- ---------------------------------------------------------------------

1/1 90-91,1025-4094

1/2 90-91,1025-4094

4/6 99,200-299,1025-4094

4/8 99,200-299,1025-4094

15/1 1-1005,1025-4094

Port Vlans allowed and active in management domain

-------- ---------------------------------------------------------------------

1/1 90-91

1/2 90-91

4/6 99,251-253

4/8 99,251-253

15/1 90-91,99,251-253

Port Vlans in spanning tree forwarding state and not pruned

-------- ---------------------------------------------------------------------

1/1 90-91

1/2 90-91

4/6 99,251-253

4/8 99,251-253

15/1 90-91,99,251-253

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