HPE uses tagged and untagged for VLANs..
==================Access Port==============
For Cisco:
interface gi 0/0
switchport mode access
switchport access vlan 90
For 3810 (assuming eth0/0 is an access port):
vlan 90
untagged eth0/0
==================Turnk Port==============
For Cisco
inter eth 1
switchport mode trunk
on 3810 (assuming eth 1 is the trunk link):
vlan 90
tagged eth1
vlan 91
tagged eth1