nanog mailing list archives

Re: Weird Issues within L3


From: Khurram Khan <kkhan () brokenflea net>
Date: Tue, 7 Oct 2014 15:13:49 -0600

what's interesting is that out of my XO peering, I show no packet loss
but out of L3, I do see packet loss.

XO out of Denver:

Sending 100, 100-byte ICMP Echos to 4.2.2.4, timeout is 2 seconds:
Packet sent with a source address of 69.171.180.67
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (100/100), round-trip min/avg/max = 12/15/16 ms

L3 out of San Diego:

Packet sent with a source address of 63.214.184.3
!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 98 percent (98/100), round-trip min/avg/max = 1/7/16 ms

L3 out of Phoenix:

Packet sent with a source address of 4.53.104.66
!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!
Success rate is 97 percent (97/100), round-trip min/avg/max = 8/16/24 ms



traceroute out of the L3 pop in San Diego

Type escape sequence to abort.
Tracing the route to 4.2.2.4

  1 4.71.136.185 4 msec 4 msec 4 msec
  2 4.2.2.4 12 msec 12 msec 16 msec

On Tue, Oct 7, 2014 at 2:54 PM, Smith, Thomas
<Smith.Thomas () scrippshealth org> wrote:
I'm dropping about 10 percent from the Sorrento Valley area.

 - - - - - - - - -
Thom Smith


-----Original Message-----
From: NANOG [mailto:nanog-bounces () nanog org] On Behalf Of Khurram Khan
Sent: Tuesday, October 07, 2014 1:46 PM
To: nanog () nanog org
Subject: Weird Issues within L3

Hi Group,

We have a couple of circuits , internet facing with Level 3 and from our edge in San Diego, seeing some packet loss 
when trying a ping to 4.2.2.4, sourcing from 63.214.184.3. anyone seeing a similar issue ?

Packet sent with a source address of 63.214.184.3 
!.!!!.!!!!!!!!!!!!!...!!!..!!!!!!.!!.!!!!!!.!..!!.!!.!!!!!!!!!!!!!!!!!
!!!!!!!!!.!!.!!!..!!!!!.!!!!.!
Success rate is 80 percent (80/100), round-trip min/avg/max = 12/13/16 ms
This e-mail and any files transmitted with it may contain privileged and confidential information and are intended 
solely for the use of the individual or entity to which they are addressed. If you are not the intended recipient or 
the person responsible for delivering the e-mail to the intended recipient, you are hereby notified that any 
dissemination or copying of this e-mail or any of its attachment(s) is strictly prohibited. If you have received this 
e-mail in error, please immediately notify the sending individual or entity by e-mail and permanently delete the 
original e-mail and attachment(s) from your computer system. Thank you for your cooperation.


Current thread: