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Cisco 2950 - Catalyst Switch User Manual

Cisco 2950 - Catalyst Switch
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15-20
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Chapter 15 Configuring MSTP
Configuring MSTP Features
Beginning in privileged EXEC mode, follow these steps to configure the hello time for all MST
instances. This procedure is optional.
To return the switch to its default setting, use the no spanning-tree mst hello-time global configuration
command.
Configuring the Forwarding-Delay Time
Beginning in privileged EXEC mode, follow these steps to configure the forwarding-delay time for all
MST instances. This procedure is optional.
To return the switch to its default setting, use the no spanning-tree mst forward-time global
configuration command.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
spanning-tree mst hello-time seconds Configure the hello time for all MST instances. The hello time
is the interval between the generation of configuration
messages by the root switch. These messages mean that the
switch is alive.
For seconds, the range is 1 to 10; the default is 2.
Step 3
end Return to privileged EXEC mode.
Step 4
show spanning-tree mst Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
spanning-tree mst forward-time seconds Configure the forward time for all MST instances. The forward
delay is the number of seconds a port waits before changing from
its spanning-tree learning and listening states to the forwarding
state.
For seconds, the range is 4 to 30; the default is 15.
Step 3
end Return to privileged EXEC mode.
Step 4
show spanning-tree mst Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.

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Cisco 2950 - Catalyst Switch Specifications

General IconGeneral
Forwarding Rate6.6 Mpps
Jumbo Frame SupportNo
Weight8.8 lbs (4 kg)
RAM16 MB
Flash Memory8 MB
ManageableYes
Form FactorRack-mountable
Ports24 Ethernet 10/100 ports
Uplink Ports2 x 10/100/1000Base-T ports
VLANs250
MAC Address Table Size8000
Power Supply100-240 VAC, 50-60 Hz
Dimensions4.4 cm x 44.5 cm x 24.2 cm
Operating Temperature0 to 40 °C (32 to 104 °F)
Storage Temperature-25 to 70 °C (-13 to 158 °F)
Operating Humidity10% to 85% (non-condensing)
Storage Humidity5% to 95% (non-condensing)

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