Cisco 2950 Switch

Unanswered Question
Jul 8th, 2008
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I have a 2950 switch that has two vlans, one for voice and one for data. If the vlan for data is up, the voice vlan goes down and vice-versa. The VOIP phone keeps resetting; passing data is also hit or miss. Any ideas?

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letsgomets Tue, 07/08/2008 - 11:52
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Are these strictly layer 2 vlans? Are you trying to configure interface vlans?


I know you will get this symptom when trying to bring up multiple vlan interfaces on a 2950 because it is not a layer 3 switch.


I need more information to help understand this one. Can you send configs?

glen.grant Tue, 07/08/2008 - 12:27
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There is only 1 SVI allowed to be active on the switch and that is to manage the switch only.Any routing is done by a layer 3 device like a L3 switch or router.

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