- Free port forwarding configuration software how to#
- Free port forwarding configuration software plus#
If a loop exists in the network, end stations might receiveĭuplicate messages. Multiple active paths among end stations cause loops in the network. For a Layer 2 Ethernet network to function properly, only one active path can exist between any two stations. Spanning Tree Protocol (STP) is a Layer 2 link management protocol that provides path redundancy while preventing loops in
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The following sections provide information about spanning tree protocol: The root device for each spanning tree instance should be a backbone or distribution device. The extended system ID increases the device priority valueĮvery time the VLAN number is greater than the priority of the connected devices running older software. With the extended system ID support will become the root device. If your network consists of devices that support and do not support the extended system ID, it is unlikely that the device A device stackĪppears as a single spanning-tree node to the rest of the network, and all stack members use the same bridge ID.Īn attempt to configure a device as the root device fails if the value necessary to be the root device is less than 1.
Free port forwarding configuration software plus#
Theĭevice can use either the per-VLAN spanning-tree plus (PVST+) protocol based on the IEEE 802.1D standard and Cisco proprietaryĮxtensions, or the rapid per-VLAN spanning-tree plus (rapid-PVST+) protocol based on the IEEE 802.1w standard.
Free port forwarding configuration software how to#
This chapter describes how to configure the Spanning Tree Protocol (STP) on port-based VLANs on the Catalyst devices. Feature History for Spanning Tree Protocol.Additional References for Spanning Tree Protocol.Monitoring Spanning Tree Protocol Configuration Status.Configuring the Maximum-Aging Time for a VLAN.Configuring the Forwarding-Delay Time for a VLAN.Configuring the Device Priority of a VLAN.How to Configure Spanning Tree Protocol.Spanning-Tree Interoperability and Backward Compatibility.Accelerated Aging to Retain Connectivity.Spanning Tree and Redundant Connectivity.
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