VSC7440 datasheet(166/444 Pages) MICROSEMI

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Functional Descriptions

VMDS-10492 VSC7440 Datasheet Revision 4.2

149

An example usage of the counters is shown in the following table.

3.19.3.2 Egress Router Leg Statistics

The egress router leg statistics events generated by ANA_L3 are listed in the following table.

For counting of egress router leg events, eight counter pairs are provided per router leg. Each pair

consists of a counter for IPv4 and a counter for IPv6, for a total of 16 counters available per router leg.

For each of the eight counter pairs, an event mask can be configured to specify which of the events listed

in the following table will trigger the counter. Each counter pair can be configured to count either bytes or

frames.

Table 92 •

Ingress Router Leg Statistics Example

Event Name

Reference

Counter Name

Byte

(b/)/Frame

(f)

RFC 4293

ipIfStatsInReceives

RFC 4293

ipIfStatsInOctets

RFC 4293

ipIfStatsInForwDatagrams

RFC 4293

ipIfStatsInMcastPkts

RFC 4293

ipIfStatsInMcastOctets

RFC 4293

ipIfStatsInHdrErrors

MC RPF discards

ACL discards

Table 93 •

Egress Router Leg Events

Event Name

Description

evmid_ip_uc_routed

IP unicast frame L3 forwarded by router.

evmid_ip_mc_routed

IP multicast frame L3 forwarded by router.

evmid_ip_mc_switched

IP multicast frame L2 forwarded by switch.

evmid_ip_mc_ttl_discarded

IP multicast frame discarded by router due to TTL value configured

for egress router leg. See VMID:VMID_MC:RLEG_IP4_MC_TTL and

VMID:VMID_MC:RLEG_IP6_MC_TTL.

evmid_ip_acl_discarded

IP frame discarded by ACL rules in ANA_AC.

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