User's Manual

Table Of Contents
Users Manual of SGS-5240 Series Managed Switch
208
4.6.7 Policy Map
To edit the rules for a policy map:
Policy Name Name of policy map.
Bound Class Name Name of a class map that defines a traffic classification upon which a policy can act.
Action This attribute is used to set an internal Qu’s value in hardware for matching packets.
The PHB label is composed of five bits, three bits for per-hop behavior, and two bits for the color scheme used to control
queue congestion with the srTCM and trTCM metering functions.
Meter Check this to define the maximum throughput, burst rate, and the action that results from a policy violation.
Meter Mode Selects one of the following policing methods.
Committed Information Rate (CIR) Rate in kilobits per second. (Range: 0-10000000 kbps at a granularity of 64 kbps or
maximum port speed, whichever is lower)The rate cannot exceed the configured interface speed.
Committed Burst Size (BC)Burst in bytes.(Range: 64-16000000 at a granularity of 4k bytes)The burst size cannot exceed
16 Mbytes.
Excess Burst Size (BE) – Burst in excess of committed burst size. (Range: 0-16000000 at a granularity of 4k bytes).The
burst size cannot exceed 16 Mbytes.
Peak Information Rate (PIR) – Rate in kilobits per second. (Range: 0-1000000 kbps at a granularity of 64 kbps or maximum
port speed, whichever is lower). The rate cannot exceed the configured interface speed.
Peak Burst Size (BP) – Burst size in bytes.(Range: 0-16000000 at a granularity of 4k bytes).The burst size cannot exceed 16
Mbytes.
Action for Conform Specifies that traffic conforming to the maximum rate (CIR) will be transmitted without any change to
the DSCP service level.
Action for Exceed Specifies whether traffic that exceeds the maximum rate (CIR) but is within the excess burst size (BE)
will be dropped or the DSCP service level will be reduced.
Action for Violate Specifies whether the traffic that exceeds the excess burst size (BE) will be dropped or the DSCP service
level will be reduced.