Connectivity Guide

OS10(config)# spanning-tree mst configuration
OS10(conf-mst)# instance 1 vlan 2-10
VLT Peer 2 confoguration
OS10(config)# spanning-tree mode mst
OS10(config)# spanning-tree mst configuration
OS10(conf-mst)# instance 1 vlan 2-10
The following example shows MSTP information on VLT:
OS10# show spanning-tree virtual-interface
VFP(VirtualFabricPort) of MSTI 0 is Designated Forwarding
Edge port: No (default)
Link type: point-to-point (auto)
Boundary: Yes, Bpdu-filter: Disable, Bpdu-Guard: Disable, Shutdown-on-Bpdu-Guard-violation: No
Root-Guard: Disable, Loop-Guard: Disable
Bpdus (MRecords) Sent: 387, Received: 16
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
---------------------------------------------------------------------------------------------------
VFP(VirtualFabricPort) 0.1 0 1 FWD 0 32768 3417.ebf2.a8c4 0.1
VLT-LAG -1(vlt-portid-1) of MSTI 0 is in Designated Forwarding
Edge port: No (default)
Link type: point-to-point (auto)
Boundary: No, Bpdu-filter: Disable, Bpdu-Guard: Disable,
Shutdown-on-Bpdu-Guard-violation: No
Root-Guard: Disable, Loop-Guard: Disable
Bpdus (MRecords) Sent: 1234, Received: 123
Virtual
Interface Designated
Name PortID Prio Cost Sts Cost Bridge ID PortID
---------------------------------------------------------------------------------------------------
VLT-LAG -1(vlt-portid1) 128.2001 128 2000000 FWD 0 32768 90b1.1cf4.a523
128.2001
The following example shows MSTP information on VLT in detail:
OS10# show spanning-tree virtual-interface detail
Port 1 (VFP(VirtualFabricPort)) of MSTI 0 is designated Forwarding
Port path cost 0, Port priority 128, Port Identifier 128.1
Designated root priority: 32768, address: 34:17:44:55:66:7f
Designated bridge priority: 32768, address: 90:b1:1c:f4:a5:23
Designated port ID: 128.1, designated path cost: 0
Number of transitions to forwarding state: 1
Edge port: No (default)
Link Type: Point-to-Point
BPDU Sent: 2714, Received: 1234
Port 2001 (VLT-LAG -1(vlt-portid-1)) of MSTI 0 is designated Forwarding
Port path cost 200000, Port priority 128, Port Identifier 128.2001
Designated root priority: 32768, address: 34:17:44:55:66:7f
Designated bridge priority: 32768, address: 90:b1:1c:f4:a5:23
Designated port ID: 128.2001, designated path cost: 0
Number of transitions to forwarding state: 1
Edge port: No (default)
Link Type: Point-to-Point
BPDU Sent: 2714, Received: 1234
RSTP conguration
RSTP prevents loops during the VLT startup phase. If required, congure RSTP in the network, before you congure VLT on peer switches.
• Enable RSTP on each peer node in CONFIGURATION mode.
spanning-tree mode rstp
1042
Virtual Link Trunking