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.2bba.7a40Designated bridge has priority 32768, address 00e0.1e9f.4abfDesignated port is 3, path cost 410Timers: message age 0, forward delay 0, hold 0BPDU: sent 0, received 0This is an example of output from the show spanning-tree summary command:Switch> show spanning-tree summaryUplinkFast is enabledPortFast BPDU Guard is disabledStack port is GigabitEthernet0/1Name Blocking Listening Learning Forwarding STP Active-------------------- -------- --------- -------- ---------- ----------VLAN1 13 0 0 1 14VLAN2 1 0 0 1 2VLAN3 1 0 0 1 2Related Commands Command Descriptionspanning-tree Enables STP on a VLAN.spanning-tree forward-time Specifies the forwarding-time for the specified spanning-treeinstances.spanning-tree max-age Changes the interval between messages that the spanning treereceives from the root switch.spanning-tree port-priority Configures a port priority, which is used when two switches tiefor position as the root switch.spanning-tree protocol Specifies the STP version to be used for specified spanning-treeinstances.Catalyst 2900 Series XL and Catalyst 3500 Series XL Command Reference78-12155-042-171Chapter 2 Cisco IOS Commandsshow tacacsshow tacacsUse the show tacacs user EXEC command to display various Terminal Access Controller AccessControl System Plus (TACACS+) server statistics.show tacacsSyntax Description This command has no arguments.Command Modes User EXECCommand History Release Modification11.2(8)SA6 This command was first introduced.Examples This is an example of output from the show tacacs command:Switch> show tacacsServer:172.20.128.113/49:opens=4 closes=4 aborts=0 errors=0packets in=6 packets out=6no connectionCatalyst 2900 Series XL and Catalyst 3500 Series XL Command Reference78-12155-042-172Chapter 2 Cisco IOS Commandsshow tech-supportshow tech-supportUse the show tech-support privileged EXEC command to display switch information that can be givento a Cisco technical support representative.show tech-support [page | password]Syntax Description page (Optional) Causes the output to display a page of information at a time.Usethe return key to display the next line of output, or use the space bar todisplay the next page of information.If not used, the output scrolls (that is,does not stop for page breaks).password (Optional) Leaves passwords and other security information in the output.If not used, passwords and other security-sensitive information in the outputare replaced with the label (the default).Command Modes Privileged EXECCommand History Release Modification12.0(5)WC4 Long-Reach Ethernet (LRE) information was added to the output.Usage Guidelines The output of this command is used to troubleshoot a switch error.This command displays theinformation about the switch, including:" Hardware and software version" Running configuration" Port status and statistics (including the status and statistics for the customer premises equipment(CPE) devices that are connected to the switch Long-Reach Ethernet (LRE) ports)" Version numbers of the various components (hardware, firmware, patch software, and bootloaderfirmware) that make up the switch LRE interface and the CPE LRE interface" Revision and serial numbers of the connected CPE board, assembly, and systemExamples This is an example of output from the show tech-support command:Switch# show tech-support------------------ show version ------------------Cisco Internetwork Operating System SoftwareIOS (tm) C2900xl Software (C2900xl-C3H2L9S-M), Version 12.0(5)WC4, RELEASE SOFT)Copyright (c) 1986-2002 by cisco Systems, Inc.Compiled Tue 02-Apr-02 12:57 by antoninoImage text-base: 0x00003000, data-base: 0x0035AF3CROM: Bootstrap program is C2900xl boot loader2900LRE-239-34 uptime is 2 days, 23 hours, 24 minutesCatalyst 2900 Series XL and Catalyst 3500 Series XL Command Reference78-12155-042-173Chapter 2 Cisco IOS Commandsshow tech-supportSystem returned to ROM by reloadSystem image file is "flash:c2900xl-c3h2l9s-mz.120-5.WC4.bin"cisco WS-C2924-LRE-XL (PowerPC403) processor (revision 0x01) with 16384K/1024K.Processor board ID FAA0514E08L, with hardware revision 0x00Last reset from warm-resetProcessor is running Enterprise Edition SoftwareCluster command switch capableCluster member switch capable4 FastEthernet/IEEE 802.3 interface(s)24 LongReachEthernet/VDSL interfaces(s)32K bytes of flash-simulated non-volatile configuration memory.Base ethernet MAC Address: 00:04:DD:7B:DE:C0Motherboard assembly number: 73-5663-06------------------ show running-config ------------------Building configuration.Current configuration:!version 12 [ Pobierz całość w formacie PDF ]