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Cisco 2621 VLAN issue

CTEagle CTEagle is offline
Junior Member
Join Date: Oct 2006
Posts: 2
I have successfully configured a VLAN on a Cisco 2621 router using the following settings:

interface FastEthernet 0/1.7
encapsulation dot1Q 7
ip address

interface FastEthernet 0/1.8
encapsulation dot1Q 8
ip address

Now I want to add a 3rd VLAN using the following settings:

interface FastEthernet 0/1.9
encapsulation dot1Q 9
ip address

After I added the 1.9 interface to the router, the 1.7 and the 1.8 interfaces continued to communicate between each other but neither could communicate with the 1.9 interface.

Is it possible to set up the router so that communication can exist in the manner I described above? Am I missing a step?

Thanks in advance.
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