Juniper EX3400

show dhcpv6 relay binding (Interfaces Wildcard)
user@host> show dhcpv6 relay binding demux0
Prefix Session Id Expires State Interface Client DUID
2001:DB8::/32 30 79681 BOUND demux0.1073741824
LL_TIME0x1-0x4d5d009f-00:10:94:00:00:01
2001:DB8:19::/32 31 79681 BOUND demux0.1073741825
LL_TIME0x1-0x4d5d009f-00:10:94:00:00:01
2001:DB8:C9::/32 32 79681 BOUND demux0.1073741826
LL_TIME0x1-0x4d5d009f-00:10:94:00:00:01
show dhcpv6 relay binding (Interfaces Wildcard)
user@host> show dhcpv6 relay binding ge-1/3/*
Prefix Session Id Expires State Interface Client DUID
2001:DB8::/32 22 79681 BOUND ge-1/3/0.110
LL_TIME0x1-0x4d5d009f-00:10:94:00:00:01
2001:DB8:19::/32 33 79681 BOUND ge-1/3/0.110
LL_TIME0x1-0x4d5d009f-00:10:94:00:00:01
2001:DB8:C9::/32 24 79681 BOUND ge-1/3/0.110
LL_TIME0x1-0x4d5d009f-00:10:94:00:00:01
show dhcpv6 relay binding summary
user@host> show dhcpv6 relay binding summary
5 clients, (0 init, 5 bound, 0 selecting, 0 requesting, 0 renewing, 0 releasing)
Copyright © 2017, Juniper Networks, Inc.400
DHCP and Other System Services Feature Guide for EX2300, EX3400, and EX4300 Switches