R2511-HP MSR Router Series Layer 3 - IP Services Configuration Guide(V5)

# Add Ethernet 1/3, Ethernet 1/1 and Ethernet 1/2 to VLAN 2. Configure port isolation for Host

A and Host B.

<Switch> system-view

[Switch] vlan 2

[Switch-vlan2] port ethernet 1/3

[Switch-vlan2] port ethernet 1/1

[Switch-vlan2] port ethernet 1/2

[Switch-vlan2] quit

[Switch] interface ethernet 1/3

[Switch-Ethernet1/3] port-isolate enable

[Switch-Ethernet1/3] interface ethernet 1/1

[Switch-Ethernet1/1] port-isolate enable

2. Configure the router:

# Specify the IP address of Ethernet 1/2.

<Router> system-view

[Router] interface ethernet 1/2

[Router-Ethernet1/2] ip address 192.168.10.100 255.255.255.0

The ping operation from Host A to Host B is unsuccessful because they are isolated at Layer 2 and

Layer 3.

# Configure local proxy ARP to allow communication between Host A and Host B at Layer 3.

[Router-Ethernet1/2] local-proxy-arp enable

The ping operation from Host A to Host B is successful after the configuration.