i have upgrade the lease line and also change serial to fast ethernet port so pls suggest me that ,how can change the local crypto endpoint,remote crypto endpoint and crypto map tag and crypto ipsec . and also specific changes required in to upgrade
you can reuse the same crypto map on the new wan interface.
You need also a new default route using the new interface.
you need to upgrade the peer ip address on the other side router:
other side router:
no crypto isakmp key yourkey address old-address
! first you remove old command to be
! able to reuse the key
crypto isakmp key yourkey address new-address
inside the crypto map do the following
crypto map name ipsec-isakmp
set peer new-address
no set peer old-address
Be aware that changes can be critical on HQ side: calling a non-existing ACL in a crypto map block causes a black hole in all following crypto map blocks because the non existing ACL works as a permit ip any any.
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