차노 블로그

R1
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routing-options {
    static {
        route 0.0.0.0/0 next-hop [ 192.168.1.3 192.168.4.2 ];  // 192.168.1.3 ->R2  192.168.4.2.->R3
    }
    forwarding-table {
        export loadbalance;
    }
}
policy-options {
    policy-statement loadbalance {
        then {
            load-balance per-packet; 
        }
    }
}
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commit 완료 후  R2, R3 에서 tcpdump 명령어로 sequence number 확인

tcpdump 명령어---------------
root@R3> start shell
root@R3% tcpdump -l -i em2
------------------------------
R2_ tcpdump
11:42:01.239017  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 122, length 64
11:42:03.238959  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 124, length 64
11:42:04.239231  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 125, length 64
11:42:07.239038  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 128, length 64
11:42:10.238711  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 131, length 64
11:42:11.239002  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 132, length 64
11:42:13.238967  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 134, length 64
11:42:14.238755  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 135, length 64
11:42:17.238425  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 138, length 64
11:42:20.238648  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 141, length 64
11:42:21.238450  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 142, length 64

R3_ tcpdump
11:42:09.992713  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 123, length 64
11:42:12.995975  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 126, length 64
11:42:13.996726  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 127, length 64
11:42:15.998653  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 129, length 64
11:42:16.999949  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 130, length 64
11:42:20.002647  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 133, length 64
11:42:23.005435  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 136, length 64
11:42:24.006640  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 137, length 64
11:42:26.008672  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 139, length 64
11:42:27.009432  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 140, length 64
11:42:30.012188  In IP truncated-ip - 24 bytes missing! 1.1.1.1 > 1.1.1.3: ICMP echo request, id 13080, seq 143, length 64