WebJun 16, 2009 · Options. 06-16-2009 10:06 AM. Francisco, You have to make sure that the root switch is acting as a root of all vlans in your case. When you configure a "spanning-tree cost" command on the switch. That will affect on the local switch. Properly be on the downstream switch to adjust cost to root. HTH, Toshi. WebApr 10, 2024 · Usage Guidelines. For Layer 2 EtherChannels, the channel-group command automatically creates the port-channel interface when the channel group gets its first physical port. You do not have to use the interface port-channel command in global configuration mode to manually create a port-channel interface. If you create the port …
Solved: How to seperate STP domains - Cisco Community
WebDevice# show spanning-tree vlan Sep 17 09:51:36.370 PDT: %SYS-5-CONFIG_I: Configured from console by console2 VLAN0200 Spanning tree enabled protocol rstp Root ID Priority 2 Address 7010.5c9c.5200 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Bridge ID Priority 2 (priority 0 sys-id-ext 2) Address … WebApr 7, 2024 · Beginning with Cisco IOS Release 15.2(4)E, or IOS XE 3.8.0E, if you enter the spanning-tree portfast [trunk] command in the global or interface configuration mode, the system automatically saves it as spanning-tree portfast edge [trunk]. greenlight area rochester
Solved: Spanning Tree - Cisco Community
WebJan 24, 2014 · STPの概要 STPとは STP(Spanning Tree Protocol)はブリッジおよびスイッチで動作するレイヤ2のプロトコルです。 IEEEによって標準化されており、規格はIEEE 802.1Dです。 このプロトコルはCatalystスイッチではデフォルトで有効になっています。 STPの働きは冗長構成で作られているレイヤ2ネットワークで ... WebSpanning Tree Protocol (STP) ensures a loop-free topology in a local area network (LAN) made up of switches. It is desirable to have redundant links in a switched LAN so that a single link failure cannot interrupt normal operation of the network. But redundant links may also introduce physical switching loops that are undesirable. WebAug 22, 2014 · The situation you are experiencing currently is that the VLAN1 root switch in the PVST+ region has a lower priority than any of your MST switches in MSTI 0 - according to your output, it is 8192, and thus becomes the root switch for MSTI 0 as well. flying blue offers