ISA_ES -Performance Monitoring

ISA_ES -Performance Monitoring Aggregate counters count frames passing through the same port, while individual flows are hidden inside the aggregate

TRCO (Total Received Correct Octets): total number of octets of Ethernet frames received correctly by the Virtual Ethernet Interface, including Ethernet header characters. TRCF (Total Received Correct Frames): total number of Ethernet frames received correctly by the Virtual Ethernet Interface TTO (Total Transmitted Octets): total number of octets of Ethernet frames transmitted out by the Virtual Ethernet Interface, including Ethernet header characters TTF (Total Transmitted Frames): total number of Ethernet frames transmitted out by the Virtual Ethernet Interface TDF (Total Discarded Frames): total number of Ethernet frames which were chosen to be discarded due to buffer congestion TRSEF (Total Received Service Error frames): count of frames received on a particular interface that are not an integral number of octects or do not pass FCS checks or exceed the MTU

They are Maintenance counters, although some of them are QoS counters too: TRCO and TRCF, TTO and TTF

ISA_ES - Loopback funcitonality

Loop back functionality:

is managed only in P2P configuration (ETS ports, policing disable, classifier dont care).

Internal loop back only, due to an hardware limitation ,for ISA_ES1/4starting from rel.1.2.A

Line and Internal loopback for ISA_ES16 starting from rel.2.1.A