An STP device has only one root port, and there is no root port on the root bridge. Designated port: The designated port is located on a designated bridge and forwards configuration BPDUs to the device or LAN, as illustrated in Figure 1. AP1 and AP2 are ports of S1; BP1 and BP2 ...
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STP Implementation STP is implemented as follows: Select the root bridge: During network initialization, every STP-capable device considers itself the root bridge and sets the root bridge ID to its own BID. These devices then exchange configuration BPDUs and compare their root bridge IDs to find...
When STP is first enabled on a switch, it assumes that it is the root bridge and begins broadcasting BPDU (Bridge Protocol Data Unit) messages to other switches. Each switch that receives the BPDU message compares the bridge ID of the sending switch with its own bridge ID. The switch with...
The Switch column shows the option that should be used to specify the protocol mode when enabling STP on a bridge or switch. To enable STP, a network administrator connects to the device, enters global configuration mode and runs a command in the following format: ...
This document describes the configuration of Ethernet services, including configuring MAC address table, link aggregation, VLANs, VLAN aggregation, MUX VLAN, VLAN termination, Voice VLAN, VLAN mapping, QinQ, GVRP, VCMP, STP/RSTP/MSTP, VBST, SEP, RRPP, ER
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The extension of theSpanning Tree Protocol(STP) is limited. TheVLANaddress space is limited. VPLS technology is capable of overcoming such limitations. Unlike traditional networks, the VPLS backbone network does not need to run STP. Instead, it utilizes full-mesh connections and split horizon to ...
change to the network is made, such as a device. If or link fails, the calculation is reperformed automatically, which can reenable the previously disabled backup link. STP used to take around a minute to converge on a preferred configuration. RSTP can complete the whole process in 6 ...
In addition, the configuration conserves MAC address entry. [SwitchB-GigabitEthernet1/0/1] stp disable //Disable STP to prevent the internal loopback port from being blocked when it receives packets sent by itself. [SwitchB-GigabitEthernet1/0/1] port link-type access //The link type of ...