HP 3600 v2 Series Configuration Manual page 145

Figure 57 Application environment of local ND proxy
Host A
4:1::100/16
Because Host A's IPv6 address is on the same subnet as Host B's, Host A directly sends an NS
message to obtain Host B's MAC address. However, Host B cannot receive the NS message
because they are isolated at Layer 2.
To solve this problem, enable local ND proxy on VLAN-interface 2 of the switch A so that the
switch A can forward messages between Host A and Host B.
Local ND proxy implements Layer 3 communication for two hosts in the following cases:
The two hosts must connect to different isolated Layer 2 ports of a VLAN.
If super VLAN is used, the two hosts must belong to different sub VLANs.
If isolate-user-VLAN is used, the two hosts must belong to different secondary VLANs.
Configuration procedure
You can enable common ND proxy and local ND proxy in VLAN interface view, Layer 3 Ethernet port
view.
To enable common ND proxy:
Step
1. Enter system view.
2. Enter interface view.
3. Enable common ND proxy.
To enable local ND proxy:
Step
1. Enter system view.
2. Enter interface view.
3. Enable local ND proxy.
Switch A
Vlan-int2
4:3::100/16
Eth1/0/2
Eth1/0/3
Eth1/0/1
Switch B
Command
system-view
interface interface-type
interface-number
proxy-nd enable
Command
system-view
interface interface-type interface-number
local-proxy-nd enable
VLAN 2
port-isolate group
Host B
4:2::100/16
134
Remarks
N/A
N/A
Disabled by default
Remarks
N/A
N/A
Optional.
Disabled by default.