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Does voice vlan work on Cisco 2900XL?

C

Cooky

Golden Member
My colleague is turning up VoIP at a site w/ a bunch of old 2924XL switches.

She has the access ports configured as:
interface FastEthernet0/16
switchport access vlan 14
switchport voice vlan 16
spanning-tree portfast


For some reason, the phones (Siemens) work perfectly on 2950 and all the other switches, except the 2924XL's.
We've double checked all the trunks and made sure voice vlan is allowed through.

Anyone know if those ancient switches only work w/ Cisco phones?
 
never tried a non-Cisco phone with a 2924. my guess is the older IOS versions don't understand the Siemens L2 link discovery protocol...have you tried upgrading the IOS? you could also look into setting the voice vlan via DHCP, although i have no experience with it.
 
Agree on upgrading the IOS. There was a ton of bugs with the XL series, specifically with voice.

also, what does the output of "show int f0/1 switchport" reveal on how the port is actually operating? You may have to hard set the port to be a trunk since you're not running a cisco phone, that's what I've had to do with avaya.
 
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