
STP - Root guard - Cisco Learning Network
Root guard prevents ports from becoming STP root ports. 1.5.2 Benefits of the STP Root Guard Best Practices . Use STP Root Guard to prevent unsuitable ports from becoming STP root …
Solucionado: Root Guard y Portfast BPDUGuard - Cisco Community
2011年8月18日 · El root guard se utiliza para bloquear BPDUs que se identifiquen como Root en un puerto determinado, de esta manera evitas que si un nuevo Switch (tal vez heredado de …
Root guard best practices? Where to put it? - Cisco Community
2014年12月29日 · Hey all, We recently implemented root guard on our two core devices, on both ports that point to our distribution layer. This broke the link from our secondary router to the …
Solved: root guard vs bpdu guard - Cisco Community
2012年10月26日 · Hi, Why would you choose one over the other? Root-guard will stop a superior bpdu from becoming the root. Bpdu guard will stop another switch from connecting entirely by …
Solved: spanning tree root guard command - Cisco Community
2012年12月16日 · The root guard ensures that the port on which root guard is enabled is the designated port. Normally, root bridge ports are all designated ports, unless two or more ports …
Switching : best practices, loop guard, root guard etc
2008年2月29日 · Root guard allows the device to participate in STP as long as the device does not try to become the root. If root guard blocks the port, subsequent recovery is automatic. …
root guard vs bpdu guard on edge access ports - Cisco Community
2023年7月26日 · Root Guard: On the other hand, Root Guard works differently. It doesn't shut down the port immediately. Instead, if a switch connected to a port with Root Guard enabled …
STP error message received: %SPANTREE-2-ROOTGUARD_BLOCK: …
2019年3月1日 · Introduction: Root Guard is useful in avoiding Layer 2 loops during network anomalies. The Root Guard feature forces an interface to become a designated port to prevent …
Spanning Tree Protection - Cisco Community
2019年3月1日 · The Root Guard feature prevents a Designated Port from becoming a Root Port. If a port on which the Root Guard feature receives a superior BPDU, it moves the port into a …
Spanning Tree - Root Guard - Cisco Community
2013年6月18日 · Normally, root bridge ports are all designated ports, unless two or more ports of the root bridge are connected together. If the bridge receives superior STP Bridge Protocol …