From: Geert Nijs (geert.nijs@simac.be)
Date: Thu Nov 03 2005 - 12:42:36 GMT-3
Hi group,
When encrypting a GRE Tunnel with IP SEC, the crypto map must be applied to the Tunnel interface AND to the physical interface.
I understand the physical interface, but why does it need to be specified on the tunnel interface ? Is this really necessary and what is the effect ?
I am trying to setup sort of a special configuration:
Router R1 is connected to R2 and R2 is connected to R3
I have a GRE tunnel running from R1 to R3 using loopback addresses.
Between R1 and R2, this tunnel needs to be encrypted, not from R2 to R3
Is this possible ?
regards,
Geert
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