Pass Through Ethernet Not Working on 9620 Phones

[cmnstr]

I have a situation where a customer does not use DHCP for any of their computers or phones. Static IP connections on the computers work fine. Static IP addresses on 9620 phones work fine. However, when the computer is connected to the switch on the phone either the phone or computer will work, but not both. When the computer works the phone will show Discover. When the phone works the computer cannot access any network resources. We have verified there are no IP conflicts. I don't have a network diagram to attach, but in this case we have the following:

Phones and computers on 192.168.2.x network going through 192.168.2.253 router. Phones connected to Cisco 2960 POE switch. Data routes from 2.x to 1.x network (IP Office also on 1.x network).

One suggestion was to force the POE switch from Auto to 100/Full. We did this and it appeared to solve the problem because phone changed to normal display. However, phone has no functionality.

Has anyone else experienced this or have any suggestions?

 

[tlpeter]

What software version of what kind of ipoffice?
Did the 9600 phones upgrade?


BAZINGA!

I'm not insane, my mother had me tested!

 

[Bas1234]

Check in the Menu of the phone, are you sure passthrough is enabled?

___________________________________________
It works! Now if only I could remember what I did...

Dain Bramaged (

http://tinyurl.com/bas1234

)
___________________________________________

 

[amriddle01]

Are the switch ports set to allow only one MAC address/device? Cisco's do that unless you tell them otherwise

ACSS (SME)
APSS (SME)

http://www.ipoffice.tel

"I'm just off to Hartlepool to buy some exploding trousers

 

[amriddle01]

Have a look at the swithport settings for that/those ports, you may need to set them to switch or other to allow multiple devices

ACSS (SME)
APSS (SME)

http://www.ipoffice.tel

"I'm just off to Hartlepool to buy some exploding trousers

 

[cmnstr]

The software version is 6.1(12) on a 500v2 and the phones upgraded during initial setup. Passthrough is enabled on the menu. I will have the customer check the switch settings. Thanks for the suggestions.