With a small example we are going to see how we can use Cisco and HP switches together for Vlan trunking. Before we going to discuss that in detail, let me describe the difference in 'terms' using both in Cisco and HP.
Description Cisco ProCurve
A port that belongs to a unique VLAN Access mode Untagged
A port carries multiple VLANs using 802.1q tags Trunk mode Tagged