To prevent loops from occurring in a network, the PortFast mode is supported only on nontrunking access ports because these ports typically do not transmit or receive BPDUs. The most secure implementation of PortFast is to enable it only on ports that connect end stations to switches. Because PortFast can be … See more PortFast causes a switch or trunk port to enter the spanning tree forwarding state immediately, bypassing the listening and learning states. You can use PortFast on switch or trunk ports … See more BPDU filtering allows you to avoid transmitting BPDUs on PortFast-enabled ports that are connected to an end system. When you enable PortFast on the switch, spanning tree … See more BackboneFast provides fast convergence in the network backbone after a spanning tree topology change occurs. A switch detects an indirect link failure (the failure of a link to which the switch is not directly connected) when the … See more UplinkFast provides fast convergence using uplink groups in the network access layer after a spanning tree topology change. An uplink … See more
Sample switch port configuration for VLAN and TRUNK MODE …
WebIn a normal situation a non-root switch will receive BPDUs on its root port but will never send any BPDUs to the root bridge. When a non-root switch detects a topology change it will … Web本文以河南平临高速所使用的华为华三通信的H3C S3600-28P-SI为例,配置前首先要确定型号后缀是SI还是EI,EI的支持所有协议,SI的不支持OSPS动态协议,因此SI配置路由时可以使用静态协议和RIP协议,具体配置如下: no shutdown standby 5 ip 172.16.5.254 standby 5 priority 110 preempt the rab show
Multiple Spanning Tree Migration Best Practices - Cisco
WebAug 10, 2024 · spanning-tree mode rapid-pvst. Rapid PVST, also known as PVST+, is still a Cisco proprietary implementation. However, it can run on normal 802.1Q trunks, instead of … WebPortfast protection mechanism is used in order to protect wrongly configured ports as Portfast, and BPDU guard is used for security purposes. Normally, a PC (or other access … WebFeb 26, 2024 · Ports configured as Portfast are ports that do not connect to Switch, Hub or Bridge devices and are used only for end-user devices. To configure a switch port as … therabreath vs smartmouth