Author: Michael Cambria
Date: 20-08-01 16:53
Does this configuration result in 3 IP headers?
Normally, when IPsec is used with gif, IPsec _transport_ mode is used. The result is 2 an (outer/gif) IP header for the gif tunnel and the original IP header protected by IPsec.
In this example, IPsec tunnel mode is used.
IPsec tunnel mode creates its own second IP header, while transport mode will not. Using gif, which itself creates an outer IP header, should create a 3rd IP header.
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