1esp tunnel from 3ffe::1 to 3ffe::2 spi 0xdeadbeef auth hmac-sha1 enc aes \ 2 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ 3 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 4esp tunnel from 3ffe::2 to 3ffe::1 spi 0xbeefdead auth hmac-sha1 enc aes \ 5 authkey 0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa \ 6 enckey 0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee 7