1-6
Stinger®
IP2000 Configuration Guide
Welcome to the IP2000
Network architecture overview
Per-VC queuing operates in conjunction with the associated ATM shaping rate. The
aggregate rate of the combination of three priority queues (Class of Service Queuing
with Strict Priority) associated with a particular ATM virtual circuit is controlled by
the SCR (sustained cell rate) configured for the VC. In this case, SCR is configured
equal to PCR (peak cell rate). Rate information is configurable in the
atm-qos
profile
for each virtual circuit. For details about configuring ATM QoS, see the Stinger ATM
Configuration Guide.
Table 1-2. CoS and per-VC queueing for prioritizing IP packet processing
Priority queue
Priority level
Packet classification assigned to queue
1
High
IP Control Protocol Classification
■
ARP/RARP protocol messages
■
ICMP protocol messages
■
RIP protocol messages
■
IGMP protocol messages
2
Medium
Multicast Classification
■
IP multicast data
3
Low
Unicast Classification
■
IP unicast data
Содержание Stinger IP2000
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