If you know VLANs, tagging and/or HP ProCurve switch you can help. I think I might just break down and get 2nd physical switch for iSCSI separation, but that's more costly, and I was hoping I could ...

Interfaces are communicating both ways. Firewalls rules are set to allow both networks to talk and RIP is authorised on the two VLAN interfaces. On the Swithc Port 1&2 are in Trunk-1. Port 3-8 are in ...