- WhichtwoCiscoIOScommandscanbeusedtoverifyconnectivityabovethenetworklayeroftheOSImodel?AfteryouupgradetheCiscoIOSandcopythestartup-configfilebacktotherouter,therouterbootsupwiththiserrormessage.CiscoIOSSoftwareRelease12.2removesthisexceptionandensure...
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