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# 최대 홉 수 조정

traceroute -m 255 google.com

$ traceroute -m 255 google.com         
traceroute to google.com (172.217.161.206), 255 hops max, 40 byte packets
 1  10.40.6.2 (10.40.6.2)  9.359 ms  4.503 ms  4.032 ms
 2  10.40.240.0 (10.40.240.0)  4.312 ms  7.856 ms  4.707 ms
 3  10.40.0.11 (10.40.0.11)  7.454 ms  4.417 ms  5.650 ms
 4  10.128.2.139 (10.128.2.139)  6.526 ms  4.745 ms  6.370 ms
 5  15.248.4.57 (15.248.4.57)  8.095 ms  7.118 ms  5.761 ms
 6  * * *
 7  * * *
 8  * * *
 9  99.82.179.80 (99.82.179.80)  33.133 ms  33.374 ms  33.518 ms
10  99.82.179.81 (99.82.179.81)  34.269 ms  33.815 ms
    99.82.179.83 (99.82.179.83)  30.787 ms
11  192.178.108.209 (192.178.108.209)  35.272 ms  34.049 ms
    216.239.59.149 (216.239.59.149)  27.305 ms
12  108.170.235.5 (108.170.235.5)  34.331 ms
    108.170.235.7 (108.170.235.7)  38.985 ms
    108.170.235.5 (108.170.235.5)  34.198 ms
13  kix07s03-in-f14.1e100.net (172.217.161.206)  33.920 ms  33.770 ms  33.259 ms

# 패킷 크기 조정

traceroute google.com 70

$ traceroute google.com 70
traceroute to google.com (172.217.161.206), 64 hops max, 70 byte packets
 1  10.40.6.2 (10.40.6.2)  11.566 ms  5.021 ms  5.796 ms
...

# 패킷 테스트 횟수 조정

traceroute -q1 google.com

$ traceroute -q1 google.com
traceroute to google.com (172.217.161.206), 64 hops max, 40 byte packets
 1  10.40.6.2 (10.40.6.2)  5.512 ms
...

# DNS 역방향 조회 건너뛰기

traceroute -n google.com

$  traceroute -n google.com
traceroute to google.com (172.217.161.206), 64 hops max, 40 byte packets
 1  10.40.6.2  7.717 ms  2.673 ms  3.887 ms
 2  10.40.240.0  5.463 ms  2.376 ms  3.898 ms
 3  10.40.0.11  4.332 ms  6.298 ms  4.902 ms
 4  10.128.2.139  4.251 ms  5.431 ms  3.800 ms
 5  15.248.4.57  7.327 ms  6.855 ms  5.558 ms
 6  * * *
 7  * * *
 8  * * *
 9  99.82.179.82  28.092 ms  28.069 ms
    99.82.179.80  33.980 ms
10  99.82.179.81  33.186 ms
    99.82.179.83  29.556 ms
    99.82.179.81  32.288 ms
11  192.178.108.209  36.233 ms
    216.239.59.149  27.248 ms
    192.178.110.61  27.490 ms
12  108.170.235.7  35.891 ms
    108.170.235.5  35.220 ms
    108.170.235.7  34.109 ms
13  172.217.161.206  33.306 ms  34.519 ms  32.720 ms

format:

hop_number host_name (IP_address) packet_round_trip_times

hop_number: 경유 순서

host_name: 호스트 이름 (역방향 조회 결과)

IP_address: IP 주소

packet_round_trip_times: 왕복 시간 (기본 3회 측정)

asterisks (*): 경로상 문제가 없음을 의미

Tutorial: Troubleshooting with Traceroute

https://www.youtube.com/watch?v=WL0ZTcfSvB4

How To Use Traceroute and MTR to Diagnose Network Issues

https://www.digitalocean.com/community/tutorials/how-to-use-traceroute-and-mtr-to-diagnose-network-issues

$ mtr google.com

$ mtr --report google.com