The iTN2100-PTU-4GE is an Ethernet switching card to implement uplink GE service
switching on the iTN2100.
Support card-level protection and GE interface link aggregation between two cards.
Support master and secondary protection switching between two cards.
Support 24 GE switching capacity.
Support 802.1Q VLAN, Double TAG, ACL, QoS, storm control, rate limiting,
mirroring, link aggregation, layer 2 protocol transparent transmission, loopback
detection, etc.
Support IEEE 802.1ag and ITU-Y.1731.
Support GE ring network.
Support IEEE 802.3ah OAM.
Support layer 2 SLA.
Support Ethernet line protection according to ITU-T G.8031.
Support Ethernet ring network protection according to ITU-T G.8032.
Support statistics, historical configuration statistics, and historical statistics through
RMON.
Support DDM for the SFP module.
Support hot swapping.