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connecting 2940 to 6506/3560 switch

I have connected the 2940 (config uplink as trunk, no ip address, vtp transparent, vtp name of server) shut down vlan 1, entered vlan 3 info with no shut, entered default gate.

On the 6506 switch (config native vlan 3, trunk auto) CDP shows the 2940 switch, but I can’t ping it. From the 2940 switch, I can’t ping any thing. What is the config to connect 2940 switch to 6506 switch also 2940 switch to 3560 switch? Should I turn trunking on both ends, auto trunking, speed 100 ????

  • Other Network Infrastructure Subjects
1 REPLY
Purple

Re: connecting 2940 to 6506/3560 switch

Set both ends as "desirable" and the trunk should come up , or set one end desirable and leave the other end as auto . Also did you create the layer 2 vlan on the 2940 and the 6509 . Do a "show vlan" (not show interface vlan) on both units and make sure your vlans shows and is active ... My guess is you did not create the layer 2 vlan because you said you created it by doing a no shut . You created the layer 3 SVI for manageing the switch...

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