Voice vlan and Mac notification

Unanswered Question
Mar 22nd, 2010
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Hi all!

Switch's access port was configured to use voice vlan "20" for IP Voice traffic from IP phone and vlan "10" for data traffic from device attached to the IP phone. All of switches  was configured to send MAC notification traps.

IP phone's MAC address received with mac notification trap is in data vlan 10.

SNMPv2-SMI::enterprises. = Hex-STRING: 01 00 0A 00 14 A9 XX 6E F1 00 03 00

0x0A = 10 Vlan

Really phone is in Voice vlan 20.

sw1#sh ip dhcp snooping binding | inc 6E:F1|VLAN

MacAddress          IpAddress        Lease(sec)  Type           VLAN  Interface
00:14:A9:XX:6E:F1  10.xxx.xxx.xxx   42570       dhcp-snooping   20    FastEthernet0/1

Does anybody have any thoughts?

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danielnunes Sat, 05/15/2010 - 12:35
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I didn't understand what's your issue exactly, can you send more informations?

you are experiencing lost connection? remember that if you are running mac notifications you need to put yours IP Phone mac-address in filters.

see you


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