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Sonicwall TZ205 and Dell Switch not tagging VLAN for Voice Traffic

Posted on 2015-02-18
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Last Modified: 2016-11-23
Hello, I currently have my Sonicwall TZ205 connected to a Dell 3548P switch. The Internet works fine, but I'm having issues routing voice traffic. The voice traffic is routed using X0:V1196, which is a sub-interface of X0.

I have a DHCP scope set for 10.x.10.10-10.x.10.99 and all devices work okay. I have another DHCP scope for 10.x.196.10-10.x.196.99, which is not functioning.

The switch tags traffic coming from port 1 with 1196 if it is voice traffic, which then utilizes port 48 to send that out over our MPLS router.

My main concern is even though this was set up to mirror existing sites, the phones are not picking up a 10.x.196.x address. I've also deleted the .196 DHCP scope and statically assigned a 196 address to see if the phone would pick it up and it still picks up a 10.x.10.x address.

The phone was working at the previous site before they moved and I had to configure the new IDF stack at the new location. I checked the old config from the old hardware and it looked the same as the TZ205. The only difference was the other Sonicwall was a TZ100.

I've checked the running-config on the switch and it looks like the other sites to ensure it wasn't an issue with a L2 device.

Do you have any recomendations on how I can troubleshoot further?

Please let me know if I need to provide more info. I've compared the sh-run on the switch with working sites and they seem to be mirrored.

Thank you,

Jacob
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Question by:Ja Che
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Author Comment

by:Ja Che
ID: 40620281
Also, I can ping our Avaya switch from the site, but cannot ping the MPLS/Voice interface or MPLS Router handoff from the remote office. I can ping the interface and router from the central office.

Any help is appreciated.

Thank you!
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Accepted Solution

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masnrock earned 2000 total points
ID: 40951502
How is the switch configured? Maybe for some reason it is stripping the tags, assuming that the traffic was tagged coming out of the Sonicwall before getting to the switch? Try connecting a phone directly to the Sonicwall (make sure that the port you pick is in the right PortShield group) and see what happens.
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