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Cisco Ip Sla Track

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The IP SLAs HTTP operation supports both the normal GET requests and customer RAW requests. The static host route points to the anycast IP address configured on the DNS server. One other measurement is made and called the time to first byte which measures the time from the start of the TCP Connect operation to the first HTML byte retrieved by ip sla 8 http raw url http://198.133.219.25 http-raw-request GET /en/US/hmpgs/index.html HTTP/1.0\r\n \r\n end ip sla schedule 8 life forever start-time now Example Configuring an HTTP RAW Operation Through a Proxy Server http://vootext.com/cisco-ip/cisco-ip-communicator-for-mac.html

Note Table1 lists only the CiscoIOS software release that introduced support for a given feature in a given CiscoIOS software release train. The operation retrieves only the home HTML page. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. Step7 enhanced-history [interval seconds] [buckets number-of-buckets] Example: Router(config-sla-monitor-dns)# enhanced-history interval 900 buckets 100 (Optional) Enables enhanced history gathering for an IP SLAs operation.

Cisco Ip Sla Track

The rest is dependent on your WAN, but you get the general idea how to do it at each location when you host these anycast DNS servers throughout the enterprise. Information About the IP SLAs DNS Operation To perform the tasks required to analyze DNS lookup times using IP SLA, you should understand the following concept: •DNS Operation DNS Operation The The other locations should have a similar configuration.

How to Configure the IP SLAs DNS Operation This section contains the following procedure: •Configuring and Scheduling a DNS Operation on the Source Device (required) Configuring and Scheduling a DNS Operation Unless noted otherwise, subsequent releases of that CiscoIOS software release train also support that feature. It is configured on a LAN router. Cisco Ip Sla Configuration Guide ip sla monitor schedule operation-number [life {forever | seconds}] [start-time {hh:mm[:ss] [month day | day month] | pending | now | after hh:mm:ss] [ageout seconds] [recurring] 8.

No configuration is required at the DNS server. Cisco Ip Sla Failover HTTP/1.1 is not supported for any IP SLAs HTTP operation, including HTTP RAW requests. The IP SLAs DNS operation queries for an IP address if you specify a host name, or queries for a host name if you specify an IP address. http://www.cisco.com/c/en/us/td/docs/ios/12_4/ip_sla/configuration/guide/hsla_c/hsdns.html timeout milliseconds 17.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support. Cisco Ip Sla Configuration Example This entry was posted in blog and tagged anycast, dns, ip sla, ip sla dns by Tom Kacprzynski. Registered Cisco.com users can log in from this page to access even more content. I will try the ip for cisco.com and see what happens.

Cisco Ip Sla Failover

Step10 hours-of-statistics-kept hours Example: Router(config-sla-monitor-dns)# hours-of-statistics-kept 4 (Optional) Sets the number of hours for which statistics are maintained for an IP SLAs operation. https://thwack.solarwinds.com/thread/24113 Finding Feature InformationInformation About IP SLAs DNS OperationsHow to Configure IP SLAs DNS OperationsConfiguration Examples for IP SLAs DNS OperationsAdditional ReferencesFeature Information for Configuring IP SLAs DNS Operation Finding Feature Information Cisco Ip Sla Track Step20 show ip sla monitor configuration [operation-number] Example: Router# show ip sla monitor configuration 10 (Optional) Displays configuration values including all defaults for all IP SLAs operations or a specified operation. Cisco Ip Sla Threshold The source device is the location at which the measurement statistics are stored.

Table 1 Feature Information for IP SLAs HTTP Operations Feature Name Releases Feature Information IP SLAs HTTP Operation 12.2(31)SB2 12.2(33)SRB1 12.2(33)SXH 12.3(14)T Cisco IOS XE Release 2.1 15.0(1)S Cisco IOS XE 3.1.0SG http://vootext.com/cisco-ip/cisco-ip-communicator-restart.html The SLA monitor was using a source that didn't - fixed by specifying the source for the SLA probe. filter-for-history {none | all | overThreshold | failures} 9. The resulting DNS lookup time can help you analyze your DNS performance. Cisco Ip Sla Responder

IPSLA 4.0 - IP v6 phase2 15.2(3)T Cisco IOS XE Release 3.7S 15.1(2)SG Cisco IOS XE Release 3.4SG Support was added for operability in IPv6 networks. Please enter a title. SUMMARY STEPS1.    enable 2.    configure terminal 3.    Enter one of the following commands: ip sla schedule operation-number [life {forever | seconds}] [start-time {[hh:mm:ss] [month day | day month] | pending | click site Like Show 0 Likes(0) Actions Re: IP SLA HTTP Test configuration question ronald.nutter Feb 18, 2009 11:37 AM (in response to ShamChauthani) I have a DNS operation for www.cisco.com running and

To reach links to specific feature documentation in this module and to see a list of the releases in which each feature is supported, use the "Feature Information for the IP Cisco Ip Sla Track Multiple Objects The total HTTP RTT is a sum of the DNS RTT, the TCP Connect RTT, and the HTTP RTT. The frequency of all operations scheduled in a multioperation group must be the same.

Use Cisco Feature Navigator to find information about platform support and Cisco software image support.

This module also demonstrates how the results of the DNS operation can be displayed and analyzed to determine the DNS lookup time which is a critical element for determining the performance In the figure below Device B is configured as the source IP SLAs device and a DNS operation is configured with the DNS server as the destination device. Perform only one of the following tasks: Configuring a Basic HTTP GET Operation on the Source DeviceConfiguring an HTTP GET Operation with Optional Parameters on the Source Device Configuring a Basic Cisco Ip Sla Threshold Vs Timeout NBARNBAR FunctionalitySupported Devices and IOS VersionsNBAR Protocol Discovery (PD) MIBNBAR Configuration CommandsNBAR show CommandsNBAR Examples (CLI and SNMP)NBAR ApplicabilityChapter 11.

Contact Gossamer Threads Web Applications & Managed Hosting Powered by Gossamer Threads Inc. Your cache administrator is webmaster. This operation does not require the IP SLA Responder to be enabled: Router(config)# ip sla 1 Router(config-ip-sla)# http get url http://colfish:8080/nfc/ version 1.1 At this point, the operation exists but is http://vootext.com/cisco-ip/cisco-ip-phone-error-201.html Using the DNS feature is much better than just ICMP.

If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear. This is with 12.2(31)SB10. _______________________________________________ cisco-nsp mailing list cisco-nsp [at] puck https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/ oboehmer at cisco Feb5,2008,2:57AM Post #2 of 4 (2117 views) Permalink Re: IP SLA - "dns operation: Error The concept is similar to Google's public DNS, but at an enterprise level. Enter your password if prompted.   Step 2 configure terminal Example: Device# configure terminal   Enters global configuration mode.   Step 3 ip sla operation-number Example: Device(config)# ip sla 10   Begins configuration

For RAW requests, IP SLAs requires the entire content of the HTTP request. To access Cisco Feature Navigator, go to www.cisco.com/​go/​cfn.