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Traceroute problem

csco12083784
Level 1
Level 1

While doing traceroute to 8.8.8.8 from inside device( cisco Nexus switch). I got very suspicious output.

CORE.SW# traceroute 8.8.8.8


traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 40 byte packets
 1  8.8.8.8 (8.8.8.8)  3.018 ms  2.205 ms  2.318 ms
 2  8.8.8.8 (8.8.8.8)  4.936 ms  2.284 ms  2.468 ms
 3  8.8.8.8 (8.8.8.8)  2.462 ms  6.406 ms  8.497 ms
 4  8.8.8.8 (8.8.8.8)  9.12 ms  8.511 ms  8.915 ms
 5  8.8.8.8 (8.8.8.8)  8.913 ms  9.797 ms  7.852 ms
 6  8.8.8.8 (8.8.8.8)  8.914 ms  8.731 ms  9.278 ms
 7  8.8.8.8 (8.8.8.8)  8.52 ms  8.726 ms  12.84 ms
 8  8.8.8.8 (8.8.8.8)  9.03 ms  10.675 ms  9.312 ms
 9  8.8.8.8 (8.8.8.8)  10.129 ms  9.11 ms  12.599 ms

Network Diagram

NX-Switch --- Cisco ASA --- Loadbalancer --- Internet

can any one give some update on this.

3 Replies 3

Zach S
Level 1
Level 1

Here's a post of a similar problem/situation: https://supportforums.cisco.com/discussion/11880981/tracert-same-ip-multiple-hops

Hello

Not sure why this is - however I am aware by default traceroute performs dns resolution and this can be negated 2 ways

no ip domian-lookup
or
traceroute x.x.x.x numeric

res

Paul


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Kind Regards
Paul

Hi  paul,

The command traceroute x.x.x.x numeric is fine for ASA,but in Nexus same suspicious output.

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