Cisco Catalyst 2960-X Command Reference

show spanning-tree
To display spanning-tree information for the specified spanning-tree instances, use the showspanning-tree
command in privileged EXEC mode or user EXEC mode.
show spanning-tree [active| backbonefast| blockedports| bridge| detail| inconsistentports| interface
interface-type interface-number| mst| pathcost| root| summary [totals]| uplinkfast| vlan vlan-id]
Syntax Description
(Optional) Displays spanning-tree information on active interfaces
only.
active
(Optional) Displays spanning-tree BackboneFast status.backbonefast
(Optional) Displays blocked port information.blockedports
(Optional) Displays status and configuration of this switch.bridge
(Optional) Displays detailed information.detail
(Optional) Displays information about inconsistent ports.inconsistentports
(Optional) Specifies the type and number of the interface.
interface interface-type
interface-number
(Optional) Specifies multiple spanning-tree.mst
(Optional) Displays spanning-tree pathcost options.pathcost
(Optional) Displays root-switch status and configuration.root
(Optional) Specifies a summary of port states.summary
(Optional) Displays the total lines of the spanning-tree state section.totals
(Optional) Displays spanning-tree UplinkFast status.uplinkfast
(Optional) Specifies the VLAN ID. The range is 1 to 4094.
vlan vlan-id
Command Modes
User EXEC
Privileged EXEC
Command History
ModificationRelease
This command was introduced.Cisco IOS 15.0(2)EX
Catalyst 2960-X Switch Layer 2 Command Reference, Cisco IOS Release 15.0(2)EX
OL-29043 -01 71
Layer 2 Commands
show spanning-tree

Cisco Catalyst 2960-X Specifications

General

Console port	RJ-45
USB 2.0 ports quantity	2
SFP module slots quantity	4
Installed SFP modules quantity	-
Gigabit Ethernet (copper) ports quantity	48
Basic switching RJ-45 Ethernet ports type	Gigabit Ethernet (10/100/1000)
Power source	AC
Input current	5 A
AC input voltage	100 - 240 V
Power consumption (typical)	60.9 W
Number of power supply units	1
Redundant power supply (RPS) support	Yes
Operating altitude	0 - 3000 m
Non-operating altitude	0 - 4000 m
Storage temperature (T-T)	-25 - 70 °C
Operating temperature (T-T)	-5 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Switching protocols	UDP, TCP, RADIUS/TACACS+
Number of VLANs	1023
Networking standards	IEEE 802.1ab, IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3ae, IEEE 802.3af, IEEE 802.3ah, IEEE 802.3at, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x, IEEE 802.3z
Throughput	107.1 Mpps
Jumbo frames	9216
Number of queues	8
MAC address table	16000 entries
Number of static routes	1000
DHCP features	DHCP server
Authentication	MAC-based authentication, Port-based authentication
Security algorithms	802.1x RADIUS, SNMP, SSH
Access Control List (ACL) rules	3
Switch type	Managed
Switch layer	L2/L3
Safety	UL 60950-1, CAN/CSA-C22.2 No. 60950-1, EN 60950-1, IEC 60950-1, AS/NZS 60950-1
Form factor	1U
Product color	Black
Total Power over Ethernet (PoE) budget	370 W
Power over Ethernet (PoE) ports quantity	24
Power over Ethernet plus (PoE+) ports quantity	12
Memory type	DRAM
Noise level	39 dB
Flash memory	128 MB
Internal memory	512 MB
Processor frequency	600 MHz
Mean time between failures (MTBF)	276870 h

Weight and Dimensions

Depth	368 mm
Width	445 mm
Height	45 mm
Weight	5800 g