Cisco WS-C2948G-GE-TX Configuration Manual page 127

Chapter 7 Configuring Spanning Tree
This example shows how to configure Rapid PVST+:
Console> (enable) set spantree mode rapid-pvst+
Spantree mode set to RAPID-PVST+.
Console> (enable) set spantree link-type 3/1 point-to-point
Link type set to point-to-point on port 3/1.
Console> (enable) clear spantree detected-protocols 3/1
Spanning tree protocol detection forced on port 3/1
Console> (enable)
This example show how to verify the Rapid PVST+ configuration for VLAN 1. The first line in the
output displays the spanning tree mode:
Console> show spantree 1
Spanning tree mode
Spanning tree type
Spanning tree enabled.
.
.
.
Port
------------
6/1
Console>
This example shows how to verify the link type, edge port, and guard type for port 3/6:
Console> show spantree 3/6
Port 3/6
Edge Port:
Port Guard:
Link Type:
Port
------
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
3/6
Console>
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
RAPID-PVST+
ieee
State Role
----------- -------
forwarding ROOT
No, (Configured) Default
Default
P2P(Configured) Auto
VLAN State Role
----- ---------- ------
1 listening DESG
2 listening DESG
3 listening DESG
4 listening DESG
5 listening DESG
6 listening DESG
7 listening DESG
8 listening DESG
9 listening DESG
10 listening DESG
11 listening DESG
12 listening DESG
13 listening DESG
14 listening DESG
15 listening DESG
16 listening DESG
17 listening DESG
18 listening DESG
19 listening DESG
Cost Prio Type
----- ---- -----------------
20000 16 Shared, PEER(STP)
Cost Prio Type
-------- ---- -----
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
20000 32 P2P
Using Rapid PVST+
7-29