Is there a best practice for enabling or disabling icmp redirects? Looks like I have redirects enabled and that caused a problem for a host server the other night. A line went down, the 6500 sent a redirect that was not really a valid route and when the line came up, the host still cached the redirected route, causing a problem. Are there any pro's and con's, although I'm leaning towards disabling redirects?
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Redirects are about efficiency; avoiding the need to transit an extra device. If that's not a concern, turn if off.
(Of course there's the issue why the 6500 sent an invalid route redirect.)
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Attached policy provides CLI access to the Cisco 4G router over text messaging. Two files are in the attached .tar file:
2. PDF with instructions on how to load and use the .tcl file.