Hub/Switch Reference Guide

422 STP Commands
NN47250-100 (Version 02.51)
See Also clear spantree statistics on page 392
show spantree uplinkfast
Displays uplink fast convergence information for one VLAN or all VLANs.
Syntax show spantree uplinkfast [vlan vlan-id]
Defaults None.
Access All.
Examples The following command shows uplink fast convergence information for all VLANs:
WSS# show spantree uplinkfast
VLAN port list
------------------------------------------------------------------------
1 1 (fwd),2,3
Table 62 describes the fields in this display.
num of similar BPDU’s to process Number of similar BPDUs received on a port that need to be
processed.
received_inferior_bpdu Indicates whether the port has received an inferior BPDU or a
response to a Root Link Query (RLQ) BPDU.
next state Port state before it is set by STP.
src MAC count Number of BPDUs with the same source MAC address.
total src MAC count Number of BPDUs with all the source MAC addresses.
curr_src_mac Source MAC address of the current received BPDU.
next_src_mac Other source MAC address from a different source.
vlan
vlan-id
VLAN name or number. If you do not specify a VLAN, WSS Software
displays STP statistics for all VLANs.
Table 5: Output for show spantree uplinkfast
Field Description
VLAN VLAN number.
port list Ports in the uplink group. The port that is forwarding traffic is
indicated by fwd. The other ports are blocking traffic.
Table 4: Output for show spantree statistics (continued)
Field Description