Interface Configuration
7750 SR Interface Configuration Guide Page 41
Port Features
• Port State and Operational State on page 41
• 802.1x Network Access Control on page 43
• SONET/SDH Port Attributes on page 49
→ SONET/ SDH Path Attributes on page 49
• Multilink Frame Relay on page 51
• FRF.12 End-to-End Fragmentation on page 54
• FRF.12 UNI/NNI Link Fragmentation on page 55
• MLFR/FRF.12 Support of APS, BFD, and Mirroring Features on page 55
• Multilink Point-to-Point Protocol (MLPPP) on page 56
• Link Fragmentation and Interleaving Support on page 60
• Multi-Class MLPPP on page 61
• Cisco HDLC on page 68
• Automatic Protection Switching (APS) on page 71
• Inverse Multiplexing Over ATM (IMA) on page 101
Port State and Operational State
There are two port attributes that are related and similar but have slightly different meanings: Port
State and Operational State (or Operational Status).
The following descriptions are based on normal individual ports. Many of the same concepts
apply to other objects that are modeled as ports in SR-OS such as PPP/IMA/MLFR multilink
bundles or APS groups but the show output descriptions for these objects should be consulted for
the details.
•Port State
→ Displayed in port summaries such as show port or show port 1/1
→ tmnxPortState in the TIMETRA-PORT-MIB
→ Values: None, Ghost, Down (linkDown), Link Up, Up
• Operational State
→ Displayed in the show output of a specific port such as show port 2/1/3
→ tmnxPortOperStatus in the TIMETRA-PORT-MIB
→ Values: Up (inService), Down (outOfService)
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