Nokia 7705 SAR - Page 4

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Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
3.2.4 Inverse Multiplexing Over ATM (IMA)........................................................76
3.2.5 Network Synchronization on Ports and Circuits ........................................77
3.2.5.1 Network Synchronization on T1/E1, Ethernet, GPON, and DSL
Ports ..........................................................................................................77
3.2.5.2 Network Synchronization on SONET/SDH Ports ......................................79
3.2.5.3 Network Synchronization on DS3/E3 Ports ...............................................80
3.2.5.4 Network Synchronization on DS3 CES Circuits ........................................80
3.2.5.5 Network Synchronization on T1/E1 Ports and Circuits..............................80
3.2.6 Node Synchronization From GNSS Receiver Ports ..................................81
3.2.7 Flow Control on Ethernet Ports .................................................................82
3.2.8 Ethernet OAM............................................................................................82
3.2.8.1 Ethernet OAM Overview............................................................................83
3.2.8.2 CRC (Cyclic Redundancy Check) Monitoring............................................84
3.2.8.3 Remote Loopback .....................................................................................85
3.2.8.4 802.3ah OAMPDU Tunneling and Termination for Epipe Service.............86
3.2.8.5 Dying Gasp................................................................................................87
3.2.9 Ethernet Loopbacks...................................................................................87
3.2.9.1 Line and Internal Ethernet Loopbacks.......................................................88
3.2.9.2 CFM Loopbacks for OAM on Ethernet Ports .............................................89
3.2.10 Ethernet Port Down-When-Looped ...........................................................93
3.2.11 Ethernet Ring (Adapter Card and Module) ................................................94
3.2.12 MTU Configuration Guidelines ..................................................................95
3.2.12.1 MTU Configuration Overview ....................................................................95
3.2.12.2 IP Fragmentation.......................................................................................97
3.2.12.3 Jumbo Frames...........................................................................................97
3.2.12.4 Default Port MTU Values.........................................................................100
3.2.13 LAG .........................................................................................................102
3.2.13.1 LAG Overview .........................................................................................103
3.2.13.2 LACP and Active/Standby Operation ......................................................106
3.2.13.3 QoS Adaptation for LAG on Access ........................................................108
3.2.13.4 Access Ingress Fabric Shaping...............................................................111
3.2.13.5 Hold-down Timers ...................................................................................112
3.2.13.6 Multi-Chassis LAG...................................................................................112
3.2.13.7 Static LAG (Active/Standby LAG Operation without LACP) ....................113
3.2.13.8 LAG Support on Mixed-Generation Hardware.........................................114
3.2.14 LAG and ECMP Hashing.........................................................................119
3.2.14.1 Per-Flow Hashing....................................................................................120
3.2.14.2 Per-Service Hashing................................................................................122
3.2.14.3 LSR Hashing ...........................................................................................123
3.2.14.4 Layer 4 Load Balancing...........................................................................125
3.2.14.5 TEID Hashing for GTP-encapsulated Traffic ...........................................126
3.2.14.6 Entropy Labels.........................................................................................126
3.2.15 Automatic Protection Switching ...............................................................127
3.2.15.1 APS Overview .........................................................................................127
3.2.15.2 SC-APS ...................................................................................................128
3.2.15.3 MC-APS...................................................................................................129
3.2.15.4 K1 and K2 Bytes......................................................................................132
3.2.15.5 Revertive Mode .......................................................................................135
3.2.15.6 APS Tools Commands ............................................................................136