WebAug 2, 2016 · Designated port id is 128.1 Designated port id is 128.2 Now in the Port-Priority the value after the . corresponds to the interface number. Since in this case the interface number is Gigabit0/1, so the Port-Priority will become 128.1. But you can lower it if you want to do some traffic engineering. For example: WebA much simpler option is to modify the Bridge Priority Because the high-order 16 bits of the BID consist of the Bridge Priority, lowering this number by even one (from 32,768 to 32,767) allows a bridge to always win the Root War against other bridges that are using the default value. ... Manipulating Port Priority (increments of 16) or ...
Ch 3: Advanced STP Tuning Flashcards Preview - Brainscape
WebThe port ID value that a switch uses is actually a 16-bit quantity: 8 bits for the port priority, and 8 bits for the port number. The port priority is a value from 0 to 255 and defaults to 128 for all ports. The port number can range from 0 to 255 and represents the port’s actual physical mapping. WebNov 21, 2024 · The command “spanning-tree port priority 0” is better than the command “spanning-tree port priority 16” as interface G1/0 is preferred over other interfaces with lowest priority port ID. So answer E is better than B. Question 2. ... #spanning-tree vlan 100 priority ? bridge priority in increments of 4096. Q5 Wrong February 9th, 2024 portal stony brook
Spanning Tree Protocols: STP, RSTP, and MSTP - Allied Telesis
Webthe Port ID field is 2 bytes which includes a 4 bit Port Priority value, and 12 bit Port ID value. This would indicate as Percy has shown that it would be a max of 240, with increments of … Webbridges have the same priority, the bridge with the lowest MAC address). Selects root ports On each device, it selects the root port according to: the port with the lowest path cost to the root bridge the port connected to the bridge with the lowest root identifier MSTP and RSTP only: the port with the lowest port priority value WebSep 22, 2024 · The Port-Identifier = Port-Priority + Port-Number . Cisco defines the following: Then, you can only modified 4 bits (more significant bits) because: Possibly … portal story