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  • Status: Solved
  • Priority: Medium
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TTL expired in transit

Hello,

Ping response shows "TTL expired in transit".  What does it mean and how to troubleshoot this issue? Please explain.

Example:

Pinging 172.10.254.81 with 32 bytes of data:

Reply from 172.16.1.254: TTL expired in transit.
Reply from 172.16.1.254: TTL expired in transit.
Reply from 172.16.1.254: TTL expired in transit.
Reply from 172.16.1.254: TTL expired in transit.

Ping statistics for 172.10.254.81:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms



Thanks,
Ashok
0
rdashokraj
Asked:
rdashokraj
2 Solutions
 
calvinetterCommented:
  Looks like you've got a routing loop, so you're probably running a routing protocol such as RIP, EIGRP, OSPF, etc ?  A loop could be caused by an interface or router going up & down often, misconfigured routes, etc.  
   Check the routing tables & configs on your routers & layer-3 switches (if present), check for downed links or "flapping" links, ie an interface that persistently keeps going up/down, duplex mismatches on interfaces, etc.

  See also the "Impact of Routing Loops..." section on MS's website:  http://tinyurl.com/stean

cheers
0
 
papimichelCommented:
Or there is no route configured for 172.10.254.81's network on your router. your router passes your ping request to its default gateway, and there it gets lost.

that sounds to me like a more possible reason..
0
 
rdashokrajAuthor Commented:

Ok I got it. Thanks for your explanation.

0

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