CTC Union GSW-3208M, Руководство пользователя

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Chapter 6. Manage / Configure the Switch
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client Accepts time from specified time server
server Specified one time server
zone Set time zone
sntp client command is used to enable SNTP protocol. And no sntp client command can be used to disable it. If it
is disabled, the system time will be got from manual setting.
sntp server x.x.x.x command is used to set the IP address of network time server for SNTP protocol operation.
“ x.x.x.x ” is the IP address.
sntp zone xxx command is used to set the time zone. “ xxx ” is the location of the time zone. With “sntp zone ?”, the
locations will be shown.
29 spanning-tree command
This command is used to configure spanning tree protocol of the switch. Entering “spanning-tree”, the sub-
commands will be shown.
(config)# spanning-tree ?
compatible Compatible with old STP
forward-time Global STA forward time configuration. Range: <4-30 seconds>
hello-time Global STA hello time configuration. Range: <1-10 seconds>
max-age Global STA maximum age configuration. Range <6-40 seconds>
priority Specifies spanning tree priority <cr>
spanning-tree command is used to enable spanning tree protocol function. And no spanning-tree command is used
to disable it.
spanning-tree compatible command is used to change its operation to 802.1D STP instead of 802.1w RSTP. And
no spanning-tree complatible command is used to set it back.
spanning-tree forward-time x command is used to set the forwarding delay of spanning tree operation. It is the
maximum waiting time before changing states. This delay is required because every device must receive information
about topology changes before it starts to forward frames. “ x ” is the delay time, and its valid value is 4-30 in seconds
spanning-tree hello-time x command is used to set the period to send spanning tree maintenance packet if the switch
is the root of spanning tree. “ x ” is the period time, and its valid value is 1-10 in seconds.