showing esp tunnels in routing table

Phil Regnauld regnauld at catpipe.net
Wed Sep 6 07:41:05 PDT 2006


Eric W. Bates (ericx_lists) writes:
> When you establish an esp tunnel, the subnets on the remote end of the
> tunnel do not seem to appear in either "netstat -nr" or 'route get
> xxx.xxx.xxx.xxx'
> 
> Is there a way to display those routes other than using setkey to dump
> the SPD's?

	No, because there are no routes.  The IPSec layer "hijacks" the packets
	and they are encapsulated before the routing table gets a chance
	to see them.

	You would have to setup transport ESP + gif/gre tunnels to see routing
	entries.

	Phil
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