Filters and QoS Configuration for ERS 5500
Technical Configuration Guide v2.0 NN48500-559
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External Distribution
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o Destination IPv4/v6 host or subnet
o IPv4/v6 DSCP value
o IPv4 Protocol t ype, IPv6 next-header
o IPv4/v6 Layer 4 (UDP/T CP) Source port – can be range of ports
o IPv4/v6 Layer 4 (UDP/T CP) Destination port – can be range of ports
o IPv6 flow identifier
A classifier can contain one Layer 2 element, one IP element, or one La yer 2 and one IP element.
One or more classifiers can be combined to create a classifier block wher e up to 15 classifiers
and/or classifier blocks can be assigned to a port. By using classifier bl ocks, the number of
classifiers can be increased up to a total of 114 classifiers per port o n the Ethernet Routing
Switch 5500 for a total of over 40K in a stack. In addition, statistic counters can be used to
match/in-profile and out-of-profile statistics with meter. Up to 32 m atch/in-profile counters and 63
out-of-profile counters (one per meter) are supported per interface.
Actions Supported
After matching a certain classification criteria, various actions c an be initiated.
• In-profile actions (metered traffic within specific bandwidth limits )
o Drop
o Update DSCP
o Update 802.1p
o Drop precedence choice of low-drop, high-drop or use egress map
• Out-of-profile actions (metered traffic exceeding bandwidth limits)
o Drop
o Update DSCP
o Set drop precedence
• Non-Match actions (non-metered traffic)
o Drop
o Update DSCP
o Update 802.1p
o Drop precedence choice of low-drop or high-drop
Metering data includes in-profile and out-of-profile actions with m etered bandwidth allocated per
port. Each meter has its own token bucket that controls the rate at which p ackets are accepted for
processing at ingress. The committed information rate (CIR) and buck et sizes are as follows:
o Committed rate from 1 Mbps to 1 Gbps in 1 Mbps increments, 64K to 1 Gbps in 64K for
ERS5530 only with 10/100/1000 Mbps interfaces – please see table 6 be low for details
o Token bucket sizes in bytes: 16K, 20K, 32K, 44K, 76K, 140K, 268K, 512K where one
byte is sent for each token
o Up to 63 counters are a vailable per port
Statistics
The Ethernet Routing Switch 5500 supports tracking of statistics (packet c ounters) for the policies
defined. The switch can be set-up for one counter for each classifier or a counter for all classifiers
associated with a policy up to 63 counters are available per port. T he statistics track match/in-
profile and out-of-profile statistics associated with a meter.