Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting STP - Revision history

Jeffrlee at 22:07, 13 March 2013

2013-03-13T22:07:13Z

← Older revision		Revision as of 22:07, 13 March 2013
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	\|-		\|-
-	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Unicast Traffic\|Troubleshooting Unicast Traffic]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Packet Flow Issues\|Troubleshooting Packet Flow Issues]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]	+	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Unicast Traffic\|Troubleshooting Unicast Traffic]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Packet Flow Issues\|Troubleshooting Packet Flow Issues]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting FCoE\|Troubleshooting FCoE]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]
	\|}		\|}

Sdurham at 18:01, 29 November 2010

2010-11-29T18:01:08Z

← Older revision		Revision as of 18:01, 29 November 2010
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	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Packet Flow Issues\|Troubleshooting Packet Flow Issues]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]	+	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Unicast Traffic\|Troubleshooting Unicast Traffic]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Packet Flow Issues\|Troubleshooting Packet Flow Issues]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]
	\|}		\|}

Sdurham at 15:28, 15 September 2010

2010-09-15T15:28:54Z

← Older revision		Revision as of 15:28, 15 September 2010
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	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]	+	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Packet Flow Issues\|Troubleshooting Packet Flow Issues]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]
	\|}		\|}

Sdurham at 14:19, 14 July 2010

2010-07-14T14:19:30Z

← Older revision		Revision as of 14:19, 14 July 2010
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	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]	+	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Memory\|Troubleshooting Memory]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]
	\|}		\|}

Grrosser: fix links

2010-05-21T22:14:27Z

fix links

← Older revision		Revision as of 22:14, 21 May 2010
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	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide~~, Release 4.x~~ -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide~~, Release 4.x~~ -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco NX-OS Troubleshooting Guide~~, Release 4.0~~ -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]	+	\|[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]
	\|}		\|}

Grrosser at 17:41, 30 April 2010

2010-04-30T17:41:47Z

← Older revision		Revision as of 17:41, 30 April 2010
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	\| rowspan="1" colspan="1" \|		\| rowspan="1" colspan="1" \|
-	Use the '''show spanning-tree summary totals''' command to verify that the total number of logical interfaces in the Active state are less than the maximum allowed. See the ''Cisco NX-OS Layer 2 Switching Configuration Guide~~, Release 4.0''~~ for information on these limits.	+	Use the '''show spanning-tree summary totals''' command to verify that the total number of logical interfaces in the Active state are less than the maximum allowed. See the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/layer2/configuration/guide/l2_nx-os_book.html Cisco NX-OS Layer 2 Switching Configuration Guide] for information on these limits.
	\| rowspan="1" colspan="1" \|		\| rowspan="1" colspan="1" \|
	\|-		\|-
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	To protect your network against forwarding loops, follow these steps:		To protect your network against forwarding loops, follow these steps:

-	1. Enable the Cisco-proprietary Unidirectional Link Detection (UDLD) protocol on all the switch-to-switch links. See the UDLD section in the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/interfaces/configuration/guide/if_nxos_book.html Cisco NX-OS Interfaces Configuration Guide~~, Release 4. 0~~].	+	1. Enable the Cisco-proprietary Unidirectional Link Detection (UDLD) protocol on all the switch-to-switch links. See the UDLD section in the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/interfaces/configuration/guide/if_nxos_book.html Cisco NX-OS Interfaces Configuration Guide].

	2. Set up the Bridge Assurance feature by configuring all the switch-to-switch links as the spanning tree network port type.		2. Set up the Bridge Assurance feature by configuring all the switch-to-switch links as the spanning tree network port type.
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	:You must set up the STP edge port to limit the amount of topology change (TC) notices and subsequent flooding that can affect the performance of the network. Use this command only with ports that connect to end stations. Otherwise, an accidental topology loop can cause a data-packet loop and disrupt the device and network operation.		:You must set up the STP edge port to limit the amount of topology change (TC) notices and subsequent flooding that can affect the performance of the network. Use this command only with ports that connect to end stations. Otherwise, an accidental topology loop can cause a data-packet loop and disrupt the device and network operation.

-	4. Enable the Link Aggregation Control Protocol (LACP) for port channels to avoid any port-channel misconfiguration issues. See the LACP section in the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/interfaces/configuration/guide/if_nxos_book.html Cisco NX-OS Interfaces Configuration Guide~~, Release 4. 0~~].	+	4. Enable the Link Aggregation Control Protocol (LACP) for port channels to avoid any port-channel misconfiguration issues. See the LACP section in the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/interfaces/configuration/guide/if_nxos_book.html Cisco NX-OS Interfaces Configuration Guide].

	:Do not disable autonegotiation on the switch-to-switch links. Autonegotiation mechanisms can convey remote fault information, which is the quickest way to detect failures at the remote side. If failures are detected at the remote side, the local side brings down the link even if the link is still receiving pulses.		:Do not disable autonegotiation on the switch-to-switch links. Autonegotiation mechanisms can convey remote fault information, which is the quickest way to detect failures at the remote side. If failures are detected at the remote side, the local side brings down the link even if the link is still receiving pulses.

Grrosser: /* Information About Troubleshooting STP */

2010-04-30T17:38:42Z

Information About Troubleshooting STP

← Older revision		Revision as of 17:38, 30 April 2010
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-	STP provides a loop-free network at the Layer 2 level. Layer 2 LAN ports send and receive STP frames at regular intervals. Network devices do not forward these frames but use the frames to construct a loop-free path. See the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/layer2/configuration/guide/l2_nx-os_book.html Cisco NX-OS Layer 2 Switching Configuration Guide~~, Release 4.0~~]for more information on STP.	+	STP provides a loop-free network at the Layer 2 level. Layer 2 LAN ports send and receive STP frames at regular intervals. Network devices do not forward these frames but use the frames to construct a loop-free path. See the [http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/layer2/configuration/guide/l2_nx-os_book.html Cisco NX-OS Layer 2 Switching Configuration Guide] for more information on STP.


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	'''Note:''' In some cases, the configuration is accepted with no error messages, but the commands have no effect.		'''Note:''' In some cases, the configuration is accepted with no error messages, but the commands have no effect.
-
-

	==Initial Troubleshooting Checklist==		==Initial Troubleshooting Checklist==

Grrosser: Cisco Nexus 7000 Series NX-OS Troubleshooting Guide, Release 4.x -- Troubleshooting STP moved to Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting STP: remove release version

2010-04-30T17:12:27Z

Cisco Nexus 7000 Series NX-OS Troubleshooting Guide, Release 4.x -- Troubleshooting STP moved to Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting STP: remove release version

← Older revision

Revision as of 17:12, 30 April 2010

Grrosser at 20:35, 8 January 2010

2010-01-08T20:35:41Z

← Older revision		Revision as of 20:35, 8 January 2010
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		+	{{Template:Required Metadata}}
	This article describes how to identify and resolve problems that might occur when implementing the Spanning Tree Protocol (STP).		This article describes how to identify and resolve problems that might occur when implementing the Spanning Tree Protocol (STP).

Grrosser at 19:25, 8 October 2009

2009-10-08T19:25:29Z

← Older revision		Revision as of 19:25, 8 October 2009
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	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
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-	\|[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide, Release 4.x -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]	+	\|[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Overview\|Troubleshooting Overview]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Installs, Upgrades, and Reboots\|Troubleshooting Installs, Upgrades, and Reboots]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Licensing\|Troubleshooting Licensing]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting VDCs\|Troubleshooting VDCs]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide, Release 4.x -- Troubleshooting CFS\|Troubleshooting CFS]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Ports\|Troubleshooting Ports]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide -- Troubleshooting vPCs\|Troubleshooting vPCs]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting VLANs\|Troubleshooting VLANs]]<br>''Troubleshooting STP (this section)''<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Routing\|Troubleshooting Routing]]<br>[[Cisco Nexus 7000 Series NX-OS Troubleshooting Guide, Release 4.x -- Troubleshooting WCCP\|Troubleshooting WCCP]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Before Contacting Technical Support\|Before Contacting Technical Support]]<br>[[Cisco NX-OS Troubleshooting Guide, Release 4.0 -- Troubleshooting Tools and Methodology\|Troubleshooting Tools and Methodology]]
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