Allowing Vlans between Cisco L3 switch and 3 com Layer2 switch.

5 pts.
Tags:
Cisco switches
Layer 3 switches
VLAN
VLAN configuration
VLAN trunking
Hello All,

I have a cisco Cat 3560G switch trunked to a 3com 4200 L2 switch. I have 4 Vlans created on the Cisco L3 switch like Vlan 10, 20, 30 and 40 and created only 20 and 30 on the 3 COM. All the trunk port configurations are fine. However when i assign a PC to any existing Vlan in the 3 COm like 20 or 30 i am not able to reach the the Vlan ip in the Cisco Cat switch.  And also should i create the other Vlans also like 10 and 40 on the 3 com for full communications between the 2 switches. Could any one please help me?? Thanks in advance.



Software/Hardware used:
35060G (L3) ->3com 4200

Answer Wiki

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You can create the VLANs 10 and 40 on the 3Com if you like, but if you aren’t going to have clients in 10 and 40.

Make sure they are both using the same vlan protocol. i.e. 802.1q. Then check if the trunk ports allow those VLANs.

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