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Cisco Catalyst 3560-X User Manual

Cisco Catalyst 3560-X
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1-34
Catalyst 3750-X and 3560-X Switch Software Configuration Guide
OL-25303-03
Chapter 1 Managing Switch Stacks
Troubleshooting Stacks
Software Loopback
In a stack with three members, stack cables connect all the members.
Switch# show switch stack-ports summary
Switch#/ Stack Neighbor Cable Link Link Sync # In
Port# Port Length OK Active OK Changes Loopback
Status To LinkOK
-------- ------ -------- -------- ---- ------ ---- --------- --------
1/1 OK 3 50 cm Yes Yes Yes 1 No
1/2 OK 2 3 m Yes Yes Yes 1 No
2/1 OK 1 3 m Yes Yes Yes 1 No
2/2 OK 3 50 cm Yes Yes Yes 1 No
3/1 OK 2 50 cm Yes Yes Yes 1 No
3/2 OK 1 50 cm Yes Yes Yes 1 No
If you disconnect the stack cable from Port 1 on Switch 1, these messages appear:
01:09:55: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 2 Switch 3 has changed to state DOWN
01:09:56: %STACKMGR-4-STACK_LINK_CHANGE: Stack Port 1 Switch 1 has changed to state DOWN
Switch# show switch stack-ports summary
Switch#/ Stack Neighbor Cable Link Link Sync # In
Port# Port Length OK Active OK Changes Loopback
Status To LinkOK
-------- ------ -------- -------- ---- ------ ---- --------- --------
1/1 Absent None No cable No No No 1 No
1/2 OK 2 3 m Yes Yes Yes 1 No
2/1 OK 1 3 m Yes Yes Yes 1 No
2/2 OK 3 50 cm Yes Yes Yes 1 No
3/1 OK 2 50 cm Yes Yes Yes 1 No
3/2 Down None 50 cm No No No 1 No
If you disconnect the stack cable from Port 2 on Switch 1, the stack splits.
Switch 2 and Switch 3 are now in a two-member stack connected through stack cables.
Switch# show sw stack-ports summary
Switch#/ Stack Neighbor Cable Link Link Sync # In
Port# Port Length OK Active OK Changes Loopback
Status To LinkOK
-------- ------ -------- -------- ---- ------ ---- --------- --------
2/1 Down None 3 m No No No 1 No
2/2 OK 3 50 cm Yes Yes Yes 1 No
3/1 OK 2 50 cm Yes Yes Yes 1 No
3/2 Down None 50 cm No No No 1 No
Switch 1 is a standalone switch.
Switch# show switch stack-ports summary
Switch#/ Stack Neighbor Cable Link Link Sync # In
Port# Port Length OK Active OK Changes Loopback
Status To LinkOK
-------- ------ -------- -------- ---- ------ ---- --------- --------
1/1 Absent None No cable No No No 1 Yes
1/2 Absent None No cable No No No 1 Yes

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Cisco Catalyst 3560-X Specifications

General IconGeneral
Enclosure TypeRack-mountable - 1U
SubtypeGigabit Ethernet
Ports48 x 10/100/1000 + 4 x SFP
Flash Memory64 MB
Power DeviceInternal power supply
Voltage RequiredAC 120/230 V (50/60 Hz)
Operating SystemCisco IOS
Device TypeSwitch
PerformanceSwitching capacity: 128 Gbps
Jumbo Frame SupportYes
Routing ProtocolRIP-1, RIP-2, EIGRP
Remote Management ProtocolSNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, HTTP, HTTPS
FeaturesDHCP support, VLAN support, QoS, IPv6 support, Syslog
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad, IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3ah, IEEE 802.1ag, IEEE 802.3at
StackingStackable
Security FeaturesSSH, RADIUS, TACACS+
ManagementCLI
Dimensions (H x W x D)17.5 in
Operating Temperature32 to 113 °F (0 to 45 °C)
Humidity10 - 95% (non-condensing)

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