C
HAPTER
1
| Introduction
System Defaults
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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 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.
The following table lists some of the basic system defaults.
Table 2: System Defaults
Function Parameter Default
Console Port Connection Baud Rate 115200 bps
Data bits 8
Stop bits 1
Parity none
Local Console Timeout 0 (disabled)
Authentication Privileged Exec Level Username “admin”
Password “admin”
Normal Exec Level Username “guest”
Password “guest”
Enable Privileged Exec from
Normal Exec Level
Password “super”
RADIUS Authentication Disabled
TACACS+ Authentication Disabled
802.1X Port Authentication Disabled
HTTPS Enabled
SSH Disabled
Port Security Disabled
IP Filtering Disabled
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