Dell PowerConnect 5224 User Manual - Page 24

Spanning Tree Protocol, Rapid Spanning Tree Protocol IEEE 802.1w.

Page 24 highlights

www.dell.com | support.dell.com Command port security action {trapand-shutdown} Usage Configures the port security action for all switch ports. The no form command restores the default. NOTICE: Although the port security action command is an interface-level CLI command, it applies globally to all switch ports. Example Console(config)#interface ethernet 1/5 Console(config-if)#port security action trap-andshutdown Console(config-if)#port security Console(config-if)# Spanning Tree Protocol The Spanning Tree Protocol (STP) can be used to detect and disable network loops, and to provide backup links between switches, bridges or routers. STP allows the switch to interact with other bridging devices in your network such as an STP-compliant switch, bridge or route. STP ensures that only one route exists between any two stations on the network and provides backup links that automatically take over when a primary link goes down. The switch supports the following STPs: • STP - Spanning Tree Protocol (IEEE 802.1D). • RSTP - Rapid Spanning Tree Protocol (IEEE 802.1w). RSTP is designed as a general replacement for the slower, legacy STP. RSTP achieves much faster reconfiguration (around one tenth of that required by STP) by reducing the number of state changes before active ports start learning, predefining an alternate route that can be used when a node or port fails, and retaining the forwarding database for ports insensitive to changes in the tree structure when reconfiguration occurs. 24 Addendum to the 32 48 and 5 224 User 's Guides

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24
Addendum to the 3248 and 5224 User’s Guides
www.dell.com | support.dell.com
NOTICE:
Although the
port security action
command is an interface-level
CLI command, it applies globally to all switch ports.
Example
Console(config)#interface ethernet 1/5
Console(config-if)#port security action trap-and-
shutdown
Console(config-if)#port security
Console(config-if)#
Spanning Tree Protocol
The Spanning Tree Protocol (STP) can be used to detect and disable
network loops, and to provide backup links between switches, bridges or
routers. STP allows the switch to interact with other bridging devices in
your network such as an STP-compliant switch, bridge or route. STP
ensures that only one route exists between any two stations on the network
and provides backup links that automatically take over when a primary link
goes down.
The switch supports the following STPs:
STP
– Spanning Tree Protocol (IEEE 802.1D).
RSTP
– Rapid Spanning Tree Protocol (IEEE 802.1w).
RSTP is designed as a general replacement for the slower, legacy STP. RSTP
achieves much faster reconfiguration (around one tenth of that required by
STP) by reducing the number of state changes before active ports start
learning, predefining an alternate route that can be used when a node or
port fails, and retaining the forwarding database for ports insensitive to
changes in the tree structure when reconfiguration occurs.
port security action {trap-
and-shutdown}
Configures the port security action for all switch
ports.
The
no
form command restores the default.
Command
Usage