My Call Manager Express 2801 is connected to a Catalyst on vlan 20; dhcp server is on vlan 10; if I plug the phone on the same vlan with 2801, it registers fine; if it's from a different vlan, the phone cannot register.with "debug ccsip messages", I ...

According to this (from 2900XL configuration guide):When you boot your switch, the DHCP client can be invoked and automaticallyrequest configuration information from a DHCP server under the followingconditions:? The configuration file is not present ...