Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing - Revision history

Dakelley at 21:32, 11 March 2011

2011-03-11T21:32:02Z

← Older revision		Revision as of 21:32, 11 March 2011
Line 4:		Line 4:
	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco Application Control Engine (ACE) Troubleshooting Guide\|Main Article]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Overview of ACE Troubleshooting\|Overview of ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Understanding the ACE Module Architecture and Traffic Flow\|Understanding the ACE Module Architecture and Traffic Flow]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Preliminary ACE Troubleshooting\|Preliminary ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Boot Issues\|Troubleshooting ACE Boot Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting with ACE Logging\|Troubleshooting with ACE Logging]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Connectivity\|Troubleshooting Connectivity]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Ethernet Ports\|Troubleshooting ACE Appliance Ethernet Ports]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Remote Access\|Troubleshooting Remote Access]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Access Control Lists\|Troubleshooting Access Control Lists]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Network Address Translation\|Troubleshooting Network Address Translation]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Health Monitoring\|Troubleshooting ACE Health Monitoring]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing\|Troubleshooting Layer 4 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 7 Load Balancing\|Troubleshooting Layer 7 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Redundancy\|Troubleshooting Redundancy]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting SSL\|Troubleshooting SSL]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Performance Issues\|Troubleshooting Performance Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- ACE Resource Limits\|ACE Resource Limits]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Managing Resources\|Managing ACE Resources]]<br>	+	\|[[Cisco Application Control Engine (ACE) Troubleshooting Guide\|Main Article]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Overview of ACE Troubleshooting\|Overview of ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Understanding the ACE Module Architecture and Traffic Flow\|Understanding the ACE Module Architecture and Traffic Flow]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Preliminary ACE Troubleshooting\|Preliminary ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Boot Issues\|Troubleshooting ACE Boot Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting with ACE Logging\|Troubleshooting with ACE Logging]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Connectivity\|Troubleshooting Connectivity]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Ethernet Ports\|Troubleshooting ACE Appliance Ethernet Ports]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Remote Access\|Troubleshooting Remote Access]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Access Control Lists\|Troubleshooting Access Control Lists]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Network Address Translation\|Troubleshooting Network Address Translation]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Health Monitoring\|Troubleshooting ACE Health Monitoring]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing\|Troubleshooting Layer 4 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 7 Load Balancing\|Troubleshooting Layer 7 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Redundancy\|Troubleshooting Redundancy]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting SSL\|Troubleshooting SSL]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Compression\|Troubleshooting Compression]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Performance Issues\|Troubleshooting Performance Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- ACE Resource Limits\|ACE Resource Limits]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Managing Resources\|Managing ACE Resources]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Show Counter Reference\|Show Counter Reference]]<br>
	\|}		\|}

Dakelley at 23:43, 9 March 2011

2011-03-09T23:43:46Z

← Older revision		Revision as of 23:43, 9 March 2011
Line 4:		Line 4:
	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco Application Control Engine (ACE) Troubleshooting Guide\|Main Article]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Overview of ACE Troubleshooting\|Overview of ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Understanding the ACE Module Architecture and Traffic Flow\|Understanding the ACE Module Architecture and Traffic Flow]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Preliminary ACE Troubleshooting\|Preliminary ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Boot Issues\|Troubleshooting ACE Boot Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting with ACE Logging\|Troubleshooting with ACE Logging]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Connectivity\|Troubleshooting Connectivity]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Remote Access\|Troubleshooting Remote Access]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Access Control Lists\|Troubleshooting Access Control Lists]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Network Address Translation\|Troubleshooting Network Address Translation]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Health Monitoring\|Troubleshooting ACE Health Monitoring]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing\|Troubleshooting Layer 4 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 7 Load Balancing\|Troubleshooting Layer 7 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Redundancy\|Troubleshooting Redundancy]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting SSL\|Troubleshooting SSL]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Performance Issues\|Troubleshooting Performance Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- ACE Resource Limits\|ACE Resource Limits]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Managing Resources\|Managing ACE Resources]]<br>	+	\|[[Cisco Application Control Engine (ACE) Troubleshooting Guide\|Main Article]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Overview of ACE Troubleshooting\|Overview of ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Understanding the ACE Module Architecture and Traffic Flow\|Understanding the ACE Module Architecture and Traffic Flow]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Preliminary ACE Troubleshooting\|Preliminary ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Boot Issues\|Troubleshooting ACE Boot Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting with ACE Logging\|Troubleshooting with ACE Logging]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Connectivity\|Troubleshooting Connectivity]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Ethernet Ports\|Troubleshooting ACE Appliance Ethernet Ports]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Remote Access\|Troubleshooting Remote Access]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Access Control Lists\|Troubleshooting Access Control Lists]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Network Address Translation\|Troubleshooting Network Address Translation]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Health Monitoring\|Troubleshooting ACE Health Monitoring]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing\|Troubleshooting Layer 4 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 7 Load Balancing\|Troubleshooting Layer 7 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Redundancy\|Troubleshooting Redundancy]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting SSL\|Troubleshooting SSL]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Performance Issues\|Troubleshooting Performance Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- ACE Resource Limits\|ACE Resource Limits]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Managing Resources\|Managing ACE Resources]]<br>
	\|}		\|}

Dakelley at 21:44, 8 March 2011

2011-03-08T21:44:11Z

← Older revision		Revision as of 21:44, 8 March 2011
Line 4:		Line 4:
	\|align="center"\|'''Guide Contents'''		\|align="center"\|'''Guide Contents'''
	\|-		\|-
-	\|[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~\|Main Article]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Overview of ACE ~~Module~~ Troubleshooting\|Overview of ACE ~~Module~~ Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Understanding the ACE Module Architecture and Traffic Flow\|Understanding the ACE Module Architecture and Traffic Flow]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Preliminary ACE ~~Module~~ Troubleshooting\|Preliminary ACE ~~Module~~ Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting ACE Boot Issues\|Troubleshooting ACE Boot Issues]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting with ACE Logging\|Troubleshooting with ACE Logging]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Connectivity\|Troubleshooting Connectivity]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Remote Access\|Troubleshooting Remote Access]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Access Control Lists\|Troubleshooting Access Control Lists]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Network Address Translation\|Troubleshooting Network Address Translation]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting ACE Health Monitoring\|Troubleshooting ACE Health Monitoring]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Layer 4 Load Balancing\|Troubleshooting Layer 4 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Layer 7 Load Balancing\|Troubleshooting Layer 7 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Redundancy\|Troubleshooting Redundancy]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting SSL\|Troubleshooting SSL]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Troubleshooting Performance Issues\|Troubleshooting Performance Issues]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- ACE ~~Module~~ Resource Limits\|ACE ~~Module~~ Resource Limits]]<br>[[Cisco Application Control Engine (ACE) ~~Module~~ Troubleshooting Guide~~, Release A2(x)~~ -- Managing Resources\|Managing ACE Resources]]<br>	+	\|[[Cisco Application Control Engine (ACE) Troubleshooting Guide\|Main Article]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Overview of ACE Troubleshooting\|Overview of ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Understanding the ACE Module Architecture and Traffic Flow\|Understanding the ACE Module Architecture and Traffic Flow]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Preliminary ACE Troubleshooting\|Preliminary ACE Troubleshooting]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Boot Issues\|Troubleshooting ACE Boot Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting with ACE Logging\|Troubleshooting with ACE Logging]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Connectivity\|Troubleshooting Connectivity]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Remote Access\|Troubleshooting Remote Access]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Access Control Lists\|Troubleshooting Access Control Lists]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Network Address Translation\|Troubleshooting Network Address Translation]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting ACE Health Monitoring\|Troubleshooting ACE Health Monitoring]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing\|Troubleshooting Layer 4 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 7 Load Balancing\|Troubleshooting Layer 7 Load Balancing]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Redundancy\|Troubleshooting Redundancy]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting SSL\|Troubleshooting SSL]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Performance Issues\|Troubleshooting Performance Issues]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- ACE Resource Limits\|ACE Resource Limits]]<br>[[Cisco Application Control Engine (ACE) Troubleshooting Guide -- Managing Resources\|Managing ACE Resources]]<br>
	\|}		\|}

Dakelley: Cisco Application Control Engine (ACE) Module Troubleshooting Guide, Release A2(x) -- Troubleshooting Layer 4 Load Balancing moved to Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing: Combining

2010-02-15T21:03:01Z

Cisco Application Control Engine (ACE) Module Troubleshooting Guide, Release A2(x) -- Troubleshooting Layer 4 Load Balancing moved to Cisco Application Control Engine (ACE) Troubleshooting Guide -- Troubleshooting Layer 4 Load Balancing: Combining

← Older revision

Revision as of 21:03, 15 February 2010

Dakelley: /* Troubleshooting L4 Load Balancing on the ACE */

2009-07-02T15:17:46Z

Troubleshooting L4 Load Balancing on the ACE

← Older revision		Revision as of 15:17, 2 July 2009
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	* If all the real servers in the server farm associated with the VIP go down, then the VIP will go down. So, all the incoming connections to that VIP are discarded.		* If all the real servers in the server farm associated with the VIP go down, then the VIP will go down. So, all the incoming connections to that VIP are discarded.
	* If the URL in a connection request to the VIP is unknown, then the connection request is discarded.		* If the URL in a connection request to the VIP is unknown, then the connection request is discarded.
-	* If the server ~~that~~ the ACE ~~selects to~~ load~~-balance~~ the connection ~~doesn't~~ respond to the request, then, after the maximum number of retries, the ACE discards the connection.	+	* If the server to which the ACE load balances the connection does not respond to the request, then, after the maximum number of retries, the ACE discards the connection.

	The dropped conns counter is cumulative and the value may comprise entries from any of the following '''show''' command counters:		The dropped conns counter is cumulative and the value may comprise entries from any of the following '''show''' command counters:

Dakelley: /* Troubleshooting L4 Load Balancing on the ACE */

2009-07-02T14:58:56Z

Troubleshooting L4 Load Balancing on the ACE

← Older revision		Revision as of 14:58, 2 July 2009
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	:- Total Connections Failed		:- Total Connections Failed

-	* The failures counter of the '''show serverfarm''' ''serverfarm_name'' command.	+	* The failures counter of the '''show serverfarm''' ''serverfarm_name'' command

-	* The Total drop decisions counter of the '''show stats inspect''' command.	+	* The Total drop decisions counter of the '''show stats inspect''' command

Dakelley: /* Troubleshooting L4 Load Balancing on the ACE */

2009-07-02T14:57:46Z

Troubleshooting L4 Load Balancing on the ACE

← Older revision		Revision as of 14:57, 2 July 2009
Line 207:		Line 207:


-	The dropped conns counter under a VIP in the output of the show service policy detail command is incremented whenever a connection request destined to that VIP ~~is rejected by the ACE~~. There are several reasons why the ACE ~~rejects~~ such connection requests. For example:	+	The dropped conns counter under a VIP in the output of the '''show service policy detail''' command is incremented whenever the ACE discards a connection request destined to that VIP. There are several reasons why the ACE discards such connection requests. For example:

-	* If all the real servers in the server farm associated with the VIP go down, then the VIP will go down. So, all the incoming connections to that VIP are ~~rejected~~.	+	* If all the real servers in the server farm associated with the VIP go down, then the VIP will go down. So, all the incoming connections to that VIP are discarded.
-	* If the URL in a connection request to the VIP is unknown, then the connection request is ~~rejected~~.	+	* If the URL in a connection request to the VIP is unknown, then the connection request is discarded.
-	* If the server that the ACE selects to load-balance the connection doesn't respond to the request, then, after maximum retries, the ACE ~~rejects~~ the connection.	+	* If the server that the ACE selects to load-balance the connection doesn't respond to the request, then, after the maximum number of retries, the ACE discards the connection.

-	The dropped conns counter is cumulative and the value may comprise entries from any of the following show command counters:	+	The dropped conns counter is cumulative and the value may comprise entries from any of the following '''show''' command counters:

-	* show stats loadbalance	+	* '''show stats loadbalance'''

	:- Total Layer4 rejections		:- Total Layer4 rejections
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	:- Total times rserver was unavailable		:- Total times rserver was unavailable

-	* show stats connection	+	* '''show stats connection'''

	:- Total Connections Timed-out		:- Total Connections Timed-out
	:- Total Connections Failed		:- Total Connections Failed

-	* The failures counter of the show serverfarm serverfarm_name command.	+	* The failures counter of the '''show serverfarm''' ''serverfarm_name'' command.

-	* The Total drop decisions counter of the show stats inspect command.	+	* The Total drop decisions counter of the '''show stats inspect''' command.

Dakelley: /* Troubleshooting L4 Load Balancing on the ACE */

2009-07-02T14:54:01Z

Troubleshooting L4 Load Balancing on the ACE

← Older revision		Revision as of 14:54, 2 July 2009
Line 217:		Line 217:
	* show stats loadbalance		* show stats loadbalance

-	:Total Layer4 rejections	+	:- Total Layer4 rejections
-	:Total Layer7 rejections	+	:- Total Layer7 rejections
-	:Total Layer4 LB policy misses	+	:- Total Layer4 LB policy misses
-	:Total Layer7 LB policy misses	+	:- Total Layer7 LB policy misses
-	:Total times rserver was unavailable	+	:- Total times rserver was unavailable

	* show stats connection		* show stats connection

-	Total Connections Timed-out	+	:- Total Connections Timed-out
-	Total Connections Failed	+	:- Total Connections Failed

	* The failures counter of the show serverfarm serverfarm_name command.		* The failures counter of the show serverfarm serverfarm_name command.

Dakelley: /* Troubleshooting L4 Load Balancing on the ACE */

2009-07-02T14:52:10Z

Troubleshooting L4 Load Balancing on the ACE

← Older revision		Revision as of 14:52, 2 July 2009
Line 217:		Line 217:
	* show stats loadbalance		* show stats loadbalance

-	Total Layer4 rejections	+	:Total Layer4 rejections
-	Total Layer7 rejections	+	:Total Layer7 rejections
-	Total Layer4 LB policy misses	+	:Total Layer4 LB policy misses
-	Total Layer7 LB policy misses	+	:Total Layer7 LB policy misses
-	Total times rserver was unavailable	+	:Total times rserver was unavailable

	* show stats connection		* show stats connection
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	* The Total drop decisions counter of the show stats inspect command.		* The Total drop decisions counter of the show stats inspect command.
		+

	4. Verify that the L4 policy is applied as a service policy to an active interface by entering the following command:		4. Verify that the L4 policy is applied as a service policy to an active interface by entering the following command:

Dakelley at 14:51, 2 July 2009

2009-07-02T14:51:05Z

← Older revision		Revision as of 14:51, 2 July 2009
Line 205:		Line 205:
	'''hit count : 0 <-------\|-- Check these counters to see if they are increasing'''		'''hit count : 0 <-------\|-- Check these counters to see if they are increasing'''
	'''dropped conns : 0 <-------\|'''		'''dropped conns : 0 <-------\|'''
		+
		+
		+	The dropped conns counter under a VIP in the output of the show service policy detail command is incremented whenever a connection request destined to that VIP is rejected by the ACE. There are several reasons why the ACE rejects such connection requests. For example:
		+
		+	* If all the real servers in the server farm associated with the VIP go down, then the VIP will go down. So, all the incoming connections to that VIP are rejected.
		+	* If the URL in a connection request to the VIP is unknown, then the connection request is rejected.
		+	* If the server that the ACE selects to load-balance the connection doesn't respond to the request, then, after maximum retries, the ACE rejects the connection.
		+
		+	The dropped conns counter is cumulative and the value may comprise entries from any of the following show command counters:
		+
		+	* show stats loadbalance
		+
		+	Total Layer4 rejections
		+	Total Layer7 rejections
		+	Total Layer4 LB policy misses
		+	Total Layer7 LB policy misses
		+	Total times rserver was unavailable
		+
		+	* show stats connection
		+
		+	Total Connections Timed-out
		+	Total Connections Failed
		+
		+	* The failures counter of the show serverfarm serverfarm_name command.
		+
		+	* The Total drop decisions counter of the show stats inspect command.

	4. Verify that the L4 policy is applied as a service policy to an active interface by entering the following command:		4. Verify that the L4 policy is applied as a service policy to an active interface by entering the following command: