R2511-HP MSR Router Series Interface Configuration Guide(V5)

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CPOS-E1 interface configuration example ·················································································································· 93
Network requirements ··········································································································································· 93
Configuration procedure ······································································································································ 93
Verifying the configuration ··································································································································· 94
Troubleshooting CPOS interfaces ································································································································· 94
Interface physical status is UP, link protocol status is down, and loopback is detected ······························· 94
Configuring loopback and null interfaces ················································································································ 96
Configuring a loopback interface ································································································································ 96
Introduction ···························································································································································· 96
Configuration procedure ······································································································································ 96
Configuring the null interface ······································································································································· 97
Introduction ···························································································································································· 97
Configuration procedure ······································································································································ 97
Displaying and maintaining loopback and null interfaces ························································································ 98
Support and other resources ····································································································································· 99
Contacting HP ································································································································································ 99
Subscription service ·············································································································································· 99
Related information ························································································································································ 99
Documents ······························································································································································ 99
Websites ································································································································································· 99
Conventions ·································································································································································· 100
Index ········································································································································································ 102