Foundry Configuration Guide for the FESX, FSX, and FWSX
7 - 8
© Foundry Networks, Inc.
December 2005
Displaying STP Information
You can display the following STP information:
•
All the global and interface STP settings
•
CPU utilization statistics
•
Detailed STP information for each interface
•
STP state information for a port-based VLAN
•
STP state information for an individual interface
Displaying STP Information for an Entire Device
To display STP information, enter the following command at any level of the CLI:
Syntax:
show span [vlan <vlan-id>] | [pvst-mode] | [<num>] |
[detail [vlan <vlan-id> [ethernet [<slotnum>/]<portnum>] | <num>]]
The
vlan
<vlan-id> parameter displays STP information for the specified port-based VLAN.
The
pvst-mode
parameter displays STP information for the device’s Per VLAN Spanning Tree (PVST+)
compatibility configuration. See “PVST/PVST+ Compatibility” on page 7-61.
The <num> parameter displays only the entries after the number you specify. For example, on a device with three
port-based VLANs, if you enter 1, then information for the second and third VLANs is displayed, but information for
the first VLAN is not displayed. Information is displayed according to VLAN number, in ascending order. The
entry number is not the same as the VLAN number. For example, if you have port-based VLANs 1, 10, and 2024,
then the command output has three STP entries. To display information for VLANs 10 and 2024 only, enter
show
span 1
.
The
detail
parameter and its additional optional parameters display detailed information for individual ports. See
“Displaying Detailed STP Information for Each Interface” on page 7-12.
FastIron SuperX Router#
show span
VLAN 1 BPDU cam_index is 3 and the Master DMA Are(HEX)
STP instance owned by VLAN 1
Global STP (IEEE 802.1D) Parameters:
VLAN Root Root Root Prio Max He- Ho- Fwd Last Chg Bridge
ID ID Cost Port rity Age llo ld dly Chang cnt Address
Hex sec sec sec sec sec
1 800000e0804d4a00 0 Root 8000 20 2 1 15 689 1 00e0804d4a00
Port STP Parameters:
Port Prio Path State Fwd Design Designated Designated
Num rity Cost Trans Cost Root Bridge
Hex
1 80 19 FORWARDING 1 0 800000e0804d4a00 800000e0804d4a00
2 80 0 DISABLED 0 0 0000000000000000 0000000000000000
3 80 0 DISABLED 0 0 0000000000000000 0000000000000000
4 80 0 DISABLED 0 0 0000000000000000 0000000000000000
5 80 19 FORWARDING 1 0 800000e0804d4a00 800000e0804d4a00
6 80 19 BLOCKING 0 0 800000e0804d4a00 800000e0804d4a00
7 80 0 DISABLED 0 0 0000000000000000 0000000000000000
<lines for remaining ports excluded for brevity>
Содержание FastIron Edge Switch X424
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