show tech-support l2
Displays debugging information related to Layer 2 configurations.
Modes
Privileged EXEC mode
Usage Guidelines
This command displays the following debugging information related to Layer 2 configurations:
- Interface status
- Virtual Local Area Network (VLAN) configuration
- Private VLAN
- Spanning tree and 802.1W spanning tree
- Per VLAN Spanning Tree Plus (PVST+)
- Bridge Protocol Data Unit (BPDU) Guard and STP root protection
- VLAN topology group
- Link aggregation configuration
- Media Access Control (MAC) table
- Dot1x port security
- MAC security
- Metro Ring Protocol (MRP)
- Virtual Switch Redundancy Protocol (VSRP)
- Interface statistics
Examples
The following example shows the truncated output of the
show tech-support l2 command.
device# show tech-support l2 ========================================================================== BEGIN : show version CONTEXT : TELNET#1 : HW INFO TIME STAMP : 01:37:44.217 Pacific Wed Dec 09 2015 HW/SW INFO : ICX7250-24/SPR08040b1 ========================================================================== Copyright (c) 1996-2015 RUCKUS Wireless, Inc. All rights reserved. UNIT 1: compiled on Dec 3 2015 at 16:12:49 labeled as SPR08040b1 (22418510 bytes) from Primary spr08040b1.bin SW: Version 08.0.40b1T213 Compressed Boot-Monitor Image size = 786944, Version:10.1.06T215 (spz10106b002) Compiled on Thu Sep 10 06:30:24 2015 UNIT 2: compiled on Dec 3 2015 at 16:12:49 labeled as SPR08040b1 (22418510 bytes) from Primary spr08040b1.bin SW: Version 08.0.40b1T213 Compressed Boot-Monitor Image size = 786944, Version:10.1.06T215 (spz10106b002) HW: Stackable ICX7250-24 ========================================================================== UNIT 1: SL 1: ICX7250-24 24-port Management Module Serial #:DUN3245K00N License: ICX7250_L3_SOFT_PACKAGE (LID: fwpIHJKmFFp) License Compliance: ICX7250-PREM-LIC-SW is Non-Compliant P-ASIC 0: type B344, rev 01 Chip BCM56344_A0 ========================================================================== UNIT 1: SL 2: ICX7250-SFP-Plus 8-port 80G Module ========================================================================== UNIT 2: SL 1: ICX7250-24 24-port Management Module Serial #:DUN3245K01W License: ICX7250_L3_SOFT_PACKAGE (LID: fwpIHJKmFGy) License Compliance: ICX7250-PREM-LIC-SW is Non-Compliant ========================================================================== UNIT 2: SL 2: ICX7250-SFP-Plus 8-port 80G Module ========================================================================== 1000 MHz ARM processor ARMv7 88 MHz bus 8192 KB boot flash memory 2048 MB code flash memory 2048 MB DRAM STACKID 1 system uptime is 1 day(s) 10 hour(s) 31 minute(s) 46 second(s) STACKID 2 system uptime is 1 day(s) 10 hour(s) 31 minute(s) 42 second(s) The system started at 15:14:06 Pacific Mon Dec 07 2015 The system : started=warm start reloaded=by "reload" My stack unit ID = 1, bootup role = active *** NOT FOR PRODUCTION *** ========================================================================== TIME STAMP : 01:37:44.222 Pacific Wed Dec 09 2015 END : show version TIME TAKEN : 2477201 ticks (2477201 nsec) ========================================================================== ... ========================================================================== BEGIN : show vlan CONTEXT : TELNET#1 : VLAN INFO TIME STAMP : 01:37:45.486 Pacific Wed Dec 09 2015 HW/SW INFO : ICX7250-24/SPR08040b1 ========================================================================== VLAN Brief Summary Information : System-max vlan Params: Max(4095) Default(64) Current(4000) Default vlan Id :4010 Total Number of Vlan Configured :118 VLANs Configured :500 to 503 520 to 552 581 to 590 601 to 604 620 to 652 701 to 703 751 to 752 1001 to 1025 1560 1570 3680 4010 ========================================================================== TIME STAMP : 01:37:45.486 Pacific Wed Dec 09 2015 END : show vlan TIME TAKEN : 256660 ticks (256660 nsec) ========================================================================== ========================================================================== BEGIN : show pvlan CONTEXT : TELNET#1 : PVLAN INFO TIME STAMP : 01:37:45.487 Pacific Wed Dec 09 2015 HW/SW INFO : ICX7250-24/SPR08040b1 ========================================================================== Private VLAN Information : ========================================================================== TIME STAMP : 01:37:45.487 Pacific Wed Dec 09 2015 END : show pvlan TIME TAKEN : 89856 ticks (89856 nsec) ========================================================================== ========================================================================== BEGIN : show span detail CONTEXT : TELNET#1 : STP INFO TIME STAMP : 01:37:45.516 Pacific Wed Dec 09 2015 HW/SW INFO : ICX7250-24/SPR08040b1 ========================================================================== Spanning Tree Information : Spanning-tree is not configured on port-vlan 4010 STP instance owned by VLAN 500 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 500 8000001bedb5bb40 6 1/2/1 8000 20 2 1 15 29533 175 cc4e24b488b0 Port STP Parameters: Port Prio Path State Fwd Design Designated Designated Num rity Cost Trans Cost Root Bridge Hex 1/1/3 80 4 BLOCKING 9 4 8000001bedb5bb40 8000cc4e246dbc80 1/1/7 80 4 BLOCKING 14 4 8000001bedb5bb40 8000cc4e24705580 1/1/9 80 0 DISABLED 0 0 0000000000000000 0000000000000000 1/1/11 80 4 BLOCKING 9 4 8000001bedb5bb40 8000cc4e246dbc80 1/1/13 80 0 DISABLED 0 0 0000000000000000 0000000000000000 1/1/15 80 4 BLOCKING 15 4 8000001bedb5bb40 8000cc4e24705580 1/1/17 80 0 DISABLED 0 0 0000000000000000 0000000000000000 1/1/21 80 0 DISABLED 0 0 0000000000000000 0000000000000000 1/2/1 80 2 FORWARDING 10 4 8000001bedb5bb40 8000cc4e246dbc80 1/2/4 80 2 BLOCKING 14 4 8000001bedb5bb40 8000cc4e24705580 2/1/3 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/7 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/9 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/11 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/13 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/15 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/17 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/1/21 80 0 DISABLED 0 0 0000000000000000 0000000000000000 2/2/1 80 2 FORWARDING 10 4 8000001bedb5bb40 8000cc4e246dbc80 2/2/4 80 2 BLOCKING 14 4 8000001bedb5bb40 8000cc4e24705580 STP instance owned by VLAN 501 .. (output truncated)