R3303-HP 6600/HSR6600 Routers Interface Configuration Guide
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Overhead bytes ····················································································································································· 59
CPOS interface application scenario ·················································································································· 60
Configuring a CPOS interface ······································································································································ 60
Configuring an E1 channel ··········································································································································· 62
Configuring a T1 channel ············································································································································· 63
Configuring an E3 channel ··········································································································································· 64
Configuring a T3 channel ············································································································································· 64
Configuring the working mode of an interface card ································································································· 65
Displaying and maintaining CPOS interfaces ············································································································ 66
CPOS interface configuration examples ······················································································································ 66
CPOS-E1 interface configuration example ········································································································· 66
CPOS-E3 configuration example ························································································································· 68
Troubleshooting CPOS interfaces ································································································································· 69
Interface physical status is UP, link protocol status is down, and loopback is detected ······························· 69
Configuring E-CPOS interfaces ································································································································· 70
Overview ········································································································································································· 70
SONET···································································································································································· 70
SDH ········································································································································································· 70
E-CPOS ··································································································································································· 74
Configuring an E-CPOS interface ································································································································· 75
Configuring an E-CPOS interface ························································································································ 75
Configuring the operating mode of an E-CPOS interface/channel ································································· 76
Displaying and maintaining E-CPOS interfaces ········································································································· 79
E-CPOS interface configuration examples ··················································································································· 79
E-CPOS interface configuration example 1 ········································································································ 79
E-CPOS interface configuration example 2 ········································································································ 81
Troubleshooting E-CPOS interfaces ······························································································································ 82
Symptom ································································································································································· 82
Solution ··································································································································································· 82
Configuring loopback and null interfaces ················································································································ 84
Configuring a loopback interface ································································································································ 84
Introduction ···························································································································································· 84
Configuration procedure ······································································································································ 84
Configuring a null interface ·········································································································································· 85
Introduction ···························································································································································· 85
Configuration procedure ······································································································································ 85
Displaying and maintaining loopback and null interfaces ························································································ 85
Support and other resources ····································································································································· 87
Contacting HP ································································································································································ 87
Subscription service ·············································································································································· 87
Related information ························································································································································ 87
Documents ······························································································································································ 87
Websites ································································································································································· 87
Conventions ···································································································································································· 88
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