Allen-Bradley armorstratix 5700, Руководство пользователя, Страница: 323 / 458

Rockwell Automation Publication 1783-UM007I-EN-P - December 2017 323
Monitor the Switch Chapter 4
On the MST tab, choose an MST instance ID to monitor and click Submit.
Role Current 802.1w role:
• Boun—Boundary
• Desg—Designated
• Root
• Altn—Alternate
• Back—Backup
Sts Spanning-tree states:
• BLK—Blocked: The port is still sending and listening to BPDU packets but is not forwarding traffic.
• DIS—Disabled: The port is not sending or listening to BPDU packets and is not forwarding traffic.
• FWD—Forwarding: The port is sending and listening to BPDU packets and forwarding traffic.
• LBK—Loopback: The port recieves its own BPDU packet back.
• LIS—Listening: The port spanning tree initially starts to listen for BPDU packets for the root bridge.
• LRN—Learning: The port sets the proposal bit on the BPDU packets it sends out.
Cost The STP path cost associated with the port.
Priority The priority indicator.
Type The link type of the port:
• P2p—Point to point: The interface is a point-to-point link.
• Shr—Shared: The interface is a shared medium.
Table 124 - RSTP Tab Fields (Continued)
Field Description