H3C SR6602-X Configuration Manual page 7

Changing a Layer 3 GigabitEthernet interface to a standard POS interface ············································ 32
Displaying and maintaining POS interfaces ····································································································· 32
POS interface configuration examples ············································································································· 32
Directly connecting routers through POS interfaces ················································································ 32
Connecting routers through POS interfaces across a Frame Relay network ··········································· 33
Troubleshooting POS interfaces ······················································································································ 35
Interface physically down ························································································································· 35
Data link layer down ································································································································· 35
Packet loss ··············································································································································· 36
Configuring CPOS interfaces ········································································ 37
Overview ·························································································································································· 37
CPOS interfaces ······································································································································ 37
Overhead bytes ········································································································································ 37
CPOS interface application scenarios ······································································································ 38
CPOS interface configuration task list ············································································································· 39
Configuring the operating mode of an interface card ······················································································· 39
Configuring basic functions of a CPOS interface ····························································································· 39
Configuring an E1 channel ······························································································································· 40
Configuring a T1 channel ································································································································· 41
Configuring the operating mode of a 2.5 Gbps CPOS interface ······································································ 42
Displaying and maintaining CPOS interfaces ·································································································· 43
CPOS interface configuration examples ·········································································································· 44
CPOS-E1 interface configuration example ······························································································ 44
High-speed CPOS interface configuration example ················································································· 45
Troubleshooting CPOS interfaces ··················································································································· 46
Loop and link layer protocol down state detected on serial interfaces created for E1 channels on the CPOS
interface ··················································································································································· 46
Configuring loopback, null, and inloopback interfaces ·································· 49
Configuring a loopback interface ····················································································································· 49
Configuring a null interface ······························································································································ 49
Configuring an inloopback interface ················································································································· 50
Displaying and maintaining loopback, null, and inloopback interfaces ···························································· 50
Index ············································································································· 51
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