HP J8697A Advanced Traffic Management Guide

3-82
Multiple Instance Spanning-Tree Operation
STP Loop Guard
Figure 3-42. Example of Detailed Spanning-tree Configuration Information
Spanning Tree information for the Loop Guard port is shown in Figure 3-43.
HP Switch(config)# show spanning-tree detail
Status and Counters - CST Port(s) Detailed Information
Port : 1
Status : Up
.
.
.
Port : 2
Status : Up
BPDU Protection : No
BPDU Filtering : No
PVST Protection : No
PVST Filtering : No
Errant BPDU Count : 0
Root Guard : No
Loop Guard : Yes
TCN Guard : No
MST Region Boundary : Yes
External Path Cost : 20000
External Root Path Cost : 40000
Administrative Hello Time : Global
Operational Hello Time : 2
AdminEdgePort : No
Auto Edge Port : Yes
OperEdgePort : No
AdminPointToPointMAC : True
OperPointToPointMAC : Yes
Aged BPDUs Count : 0
Loop-back BPDUs Count : 0
TC ACK Flag Transmitted : 0
TC ACK Flag Received : 1
MST MST CFG CFG TCN TCN
BPDUs Tx BPDUs Rx BPDUs Tx BPDUs Rx BPDUs Tx BPDUs Rx
---------- ---------- ---------- ---------- ---------- ----------
3 0 24354 1682 0 13
STP Loop Guard Enabled

HP J8697A Specifications

General

Ports	24
Form Factor	Rack-mountable
Power Supply	Internal
Management	Managed
VLAN Support	Yes
Jumbo Frame Support	Yes
Switching Capacity	48 Gbps
Forwarding Rate	35.7 Mpps
Model	HP J8697A
Port Type	10/100/1000BASE-T
Layer	Layer 2