We are in the process of changing our 3x site IPSec VPN to a stage migration to MPLS, so single firewall.
Stage one is to get site 1 on MPLS first and leverage some of the newer features of the hosted firewall while still routing traffic across the site to site vpns accordingly.
First change we (on prem) need to do is re-configure a number of ports in the switch to accomodate the new on prem router(s).
Currently we have HSRP (i think) on the CPE which terminates on the HP L3 (2920 poe) switch. Its currently using a Vlan with no IP address associated and has a ports connected to the two routers.
The two other vlans we have are for voice and data and each vlan has a connection to the firewall which has the two vlans configured.
The new provider would like to use trunk ports to get away from the multiple ports to multiple vlans. Any pointers here in terms of configuration on the switch and if this can be done without changing the existing config (should all go wrong)?