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Greetings, I have configured the UC320 W working in "Routes Voice and Data" with External DHCP server mode. I am using an ASA 5505 to provide DHCP to my data VLAN 1 and the UC320 is working fine for the voice portion. I have the ASA trunked to a Catalyst 2960 C compact switch and also the UC320 trunked to the same switch. Everything works fine except that any computer plugged into the LAN cannot ping or http browse to any of the phones (SPA504G) in the voice VLAN 100, neither plugged into the switch or plugged behind the phone.
My ASA has the VLAN 100 interface with a connected route to the voice vlan having it's vlan 100 interface as the gateway. The UC320 has itself as the voice vlan gateway and it hands that gateway out to the phones. I'm thinking that since they are not all sharing a common gateway of the interface on the ASA, this is why my data devices cannot hit the voice devices.
The ASA can ping both the UC320 voice vlan gateway and also the IP phones.
Any ideas without me posting configs or additional info? How can I get access to the phones on the voice vlan from the data vlan?
Since the return path is different, stateful traffic like http will fail to handshake correctly through the ASA blocking the traffic. (You should see errors on the ASA like "Deny (no connection)" if this is the case.)
Additionally, you may want to run the built in packet tracer on ASDM to see if the traffic is theoretically allowed between the two interfaces on the ASA. (Packet-tracer is also available through CLI)
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