Weird Issues within L3

Khurram Khan kkhan at brokenflea.net
Tue Oct 7 21:13:49 UTC 2014


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 at scrippshealth.org> wrote:
> I'm dropping about 10 percent from the Sorrento Valley area.
>
>  - - - - - - - - -
> Thom Smith
>
>
> -----Original Message-----
> From: NANOG [mailto:nanog-bounces at nanog.org] On Behalf Of Khurram Khan
> Sent: Tuesday, October 07, 2014 1:46 PM
> To: nanog at 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
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