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NTRODUCTION
1-9
Quality of Service – Differentiated Services (DiffServ) provides
policy-based management mechanisms used for prioritizing network
resources to meet the requirements of specific traffic types on a per-hop
basis. Each packet is classified upon entry into the network based on
access lists, IP Precedence or DSCP values, or VLAN lists. Using access
lists allows you select traffic based on Layer 2, Layer 3, or Layer 4
information contained in each packet. Based on network policies, different
kinds of traffic can be marked for different kinds of forwarding.
Multicast Filtering – Specific multicast traffic can be assigned to its own
VLAN to ensure that it does not interfere with normal network traffic and
to guarantee real-time delivery by setting the required priority level for the
designated VLAN. The switch uses IGMP Snooping and Query at Layer 2
and IGMP at Layer 3 to manage multicast group registration.
System Defaults
The switch’s system defaults are provided in the configuration file
“Factory_Default_Config.cfg.” To reset the switch defaults, this file
should be set as the startup configuration file (page 3-32).
The following table lists some of the basic system defaults.
Table 1-2 System Defaults
Function Parameter Default
Console Port
Connection
Baud Rate auto
Data bits 8
Stop bits 1
Parity none
Local Console Timeout 0 (disabled)