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Traceroute only showing private layer3 hops and then direct end destination

Nitin Nayar
Level 1
Level 1

I am doing a traceroute to salesforce.com, google.com and I see all the layer hops to my Firewall and then one hop to final destination- which is incorrect. I am not seeing any of the intermediate public hops (and surprisingly not seeing the

Do you know why is this the case? Is this a Firewall config issue?

[root@XXX]# traceroute -T -p 80 www.salesforce.com traceroute to www.salesforce.com (96.43.148.26), 30 hops max, 60 byte packets 1 10.100.151.252 0.846 ms
2 10.100.1.158 0.435 ms 3 10.100.1.46 0.314 ms
4 10.200.250.9 6.132 ms 5 10.201.1.53 6.363 ms 6 www-was-1.salesforce.com (96.43.148.26)

1 Reply 1

Marvin Rhoads
Hall of Fame
Hall of Fame

Usually it means that the firewall (and subsequent intervening devices) are not configured to decrement the icmp time to live parameter that traceroute depends on.

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