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With fast switching enabled (the default), EIGRP will only load balance on a per session level, rather than a per packet level, so any session established over a link will not automatically switch to the lower cost link when the metric is changed whi...
You can use theOutput Interpreter tool on CCO at the following URLhttps://www.cisco.com/cgi-bin/Support/OutputInterpreter/home.plto analyse the stack trace from the crash and determine whether this is hardware or a known software bug.
EIGRP will attempt to load balance so will select the least utilised link. Load balancing however, is on a per session, rather than a per packet basis if fast switching is configured (the default).It is possible to force the router to load balance on...
You use the NM-4A/S, NM-8A/S or NM-16A/S in a 2600. See the following URL for more informationhttp://www.cisco.com/en/US/partner/products/hw/routers/ps274/products_data_sheet09186a0080091b8b.html
You can use the 'Software Advisor' application from the TAC Tools menu to check this. On the 2500 router, it required Enterprise or Service provider. I suspect this is the same for all platforms but I would check for your specific hardware.