Unstable ping

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Niklv
DD-WRT Novice


Joined: 06 Feb 2018
Posts: 5

PostPosted: Sat Feb 17, 2018 21:34    Post subject: Unstable ping Reply with quote
Hi

I try to ping my router over wifi. And it is not stable:
How to troubleshoot it?

Code:

PING 192.168.1.1 (192.168.1.1): 56 data bytes
64 bytes from 192.168.1.1: icmp_seq=0 ttl=64 time=2.526 ms
64 bytes from 192.168.1.1: icmp_seq=1 ttl=64 time=2.457 ms
64 bytes from 192.168.1.1: icmp_seq=2 ttl=64 time=1.991 ms
64 bytes from 192.168.1.1: icmp_seq=3 ttl=64 time=1.701 ms
64 bytes from 192.168.1.1: icmp_seq=4 ttl=64 time=3.156 ms
64 bytes from 192.168.1.1: icmp_seq=5 ttl=64 time=3.886 ms
64 bytes from 192.168.1.1: icmp_seq=6 ttl=64 time=2.661 ms
Request timeout for icmp_seq 7
Request timeout for icmp_seq 8
Request timeout for icmp_seq 9
64 bytes from 192.168.1.1: icmp_seq=10 ttl=64 time=169.243 ms
64 bytes from 192.168.1.1: icmp_seq=11 ttl=64 time=1.194 ms
64 bytes from 192.168.1.1: icmp_seq=12 ttl=64 time=1.247 ms
64 bytes from 192.168.1.1: icmp_seq=13 ttl=64 time=1.267 ms
64 bytes from 192.168.1.1: icmp_seq=14 ttl=64 time=1.785 ms
64 bytes from 192.168.1.1: icmp_seq=15 ttl=64 time=2.524 ms
64 bytes from 192.168.1.1: icmp_seq=16 ttl=64 time=1.506 ms
64 bytes from 192.168.1.1: icmp_seq=17 ttl=64 time=2.305 ms
64 bytes from 192.168.1.1: icmp_seq=18 ttl=64 time=2.650 ms
Request timeout for icmp_seq 19
Request timeout for icmp_seq 20
Request timeout for icmp_seq 21
64 bytes from 192.168.1.1: icmp_seq=22 ttl=64 time=307.128 ms
64 bytes from 192.168.1.1: icmp_seq=23 ttl=64 time=1.618 ms
64 bytes from 192.168.1.1: icmp_seq=24 ttl=64 time=1.696 ms
64 bytes from 192.168.1.1: icmp_seq=25 ttl=64 time=2.052 ms
64 bytes from 192.168.1.1: icmp_seq=26 ttl=64 time=1.410 ms
64 bytes from 192.168.1.1: icmp_seq=27 ttl=64 time=2.152 ms
64 bytes from 192.168.1.1: icmp_seq=28 ttl=64 time=1.751 ms
64 bytes from 192.168.1.1: icmp_seq=29 ttl=64 time=2.602 ms
64 bytes from 192.168.1.1: icmp_seq=30 ttl=64 time=1.287 ms
64 bytes from 192.168.1.1: icmp_seq=31 ttl=64 time=1.672 ms
Request timeout for icmp_seq 32
Request timeout for icmp_seq 33
Request timeout for icmp_seq 34
64 bytes from 192.168.1.1: icmp_seq=35 ttl=64 time=211.705 ms
64 bytes from 192.168.1.1: icmp_seq=36 ttl=64 time=1.397 ms
64 bytes from 192.168.1.1: icmp_seq=37 ttl=64 time=2.294 ms
64 bytes from 192.168.1.1: icmp_seq=38 ttl=64 time=3.410 ms
64 bytes from 192.168.1.1: icmp_seq=39 ttl=64 time=1.969 ms
64 bytes from 192.168.1.1: icmp_seq=40 ttl=64 time=2.540 ms
64 bytes from 192.168.1.1: icmp_seq=41 ttl=64 time=2.219 ms
64 bytes from 192.168.1.1: icmp_seq=42 ttl=64 time=2.158 ms
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Ariesgeek
DD-WRT Novice


Joined: 15 Jan 2017
Posts: 1

PostPosted: Sun Feb 18, 2018 5:08    Post subject: Re: Unstable ping Reply with quote
Given the pattern, plus the fact that it has such a "default-ish" IP address, my gut tells me you have an IP conflict.

If you can, maybe change the IP address of the gateway, temporarily, to 192.168.1.11. If your pings to 192.168.1.11 are consistent, you probably have a device at 192.168.1.1.

If it turns out that this is the case, try to figure out what is conflicting. You can try the following command from a Windows device to maybe see the MAC of the offending device:
Code:
arp -a 192.168.1.1
nolimitz
DD-WRT Guru


Joined: 26 Nov 2010
Posts: 597

PostPosted: Sun Feb 18, 2018 5:37    Post subject: Reply with quote
Niklv wrote:
Hi

I try to ping my router over wifi. And it is not stable:
How to troubleshoot it?


which build are you using? router? config?

i have a similar problem on my E3000 configured as a client bridge+AP on any build newer than 33555 so i always revert back to 33555, if you have a similar router, try build 33555. check first if build 33555 works on your router by going through the build release thread and checking success/failure reports by other users for the same router.
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