R3303-HP HSR6800 Routers Interface Configuration Guide

Figure 23 Network diagram

Configuration procedure

1. Configure Router A:

# Configure the clock mode of interface E-CPOS 2/0/0.

<RouterA> system-view

[RouterA] controller e-cpos 2/0/0

[RouterA-E-Cpos2/0/0] clock master

# Create two 155 Mbps POS interfaces on interface E-CPOS 2/0/0.

[RouterA-E-Cpos2/0/0] oc-12 4

[RouterA-E-Cpos2/0/0-oc-12-4] oc-3 4

[RouterA-E-Cpos2/0/0-oc-12-4-oc-3-4] using oc-3c

# Configure channelized interface POS 2/0/0/4/4:0.

[RouterA-E-Cpos2/0/0-oc-12-4-oc-3-4] interface pos2/0/0/4/4:0

[RouterA-pos2/0/0/4/4:0] ip address 10.110.4.1 255.255.255.0

2. Configure Router B:

# Create two 155 Mbps POS interfaces on interface E-CPOS 2/0/0.

<RouterB> system-view

[RouterB] controller e-cpos 2/0/0

[RouterB-E-Cpos2/0/0] oc-12 4

[RouterB-E-Cpos2/0/0-oc-12-4] oc-3 4

[RouterB-E-Cpos2/0/0-oc-12-4-oc-3-4] using oc-3c

# Configure channelized interface POS 2/0/0/4/4:0.

[RouterB-E-Cpos2/0/0-oc-12-4-oc-3-4] interface pos2/0/0/4/4:0

[RouterB-pos2/0/0/4/4:0] ip address 10.110.4.2 255.255.255.0

After the connection is established, Router A can successfully ping Router B.

Troubleshooting E-CPOS interfaces

Symptom

An E-CPOS interface is physically up, the channelized POS interfaces on it are up, but its link layer is

down.

Solution

• The physical parameter settings (such as clock source and scrambling) on the E-CPOS interface do

not match those on the remote E-CPOS interface.

• The link layer protocol of the POS channel does match that of the remote POS channel.

• The bandwidth of POS interfaces channelized from the local E-CPOS interface is not the same as

that of POS interfaces channelized from the remote E-CPOS interface.