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Gateway Check Issues.

FIXED
bobpullen
Community Gaffer
Community Gaffer
Posts: 16,869
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Registered: ‎04-04-2007

Re: Gateway Check Issues.


Alucidnation wrote:

However, i have not disconnected/reconnected since my post on Sunday, unless you mean something else?

I must have been looking at the wrong account Roll_eyes

I've reported the observation to the relevant team to see if there's anything that can be done to help.

Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵

bobpullen
Community Gaffer
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Re: Gateway Check Issues.

@Alucidnation, from what I can tell this should be working for you now. Can you confirm?

C:\Windows\System32>tracert 147.147.192.215

Tracing route to 215.192.147.147.dyn.plus.net [147.147.192.215]
over a maximum of 30 hops:

  1     3 ms     1 ms     1 ms  10.200.200.200
  2     2 ms     1 ms     1 ms  vlan2877.peh-cr02.plus.net [84.93.232.109]
  3     2 ms     1 ms     2 ms  gi9-46.2874.peh-cr01.plus.net [84.93.232.100]
  4     2 ms     2 ms     1 ms  eth0-1.46.peh-efw01.plus.net [84.93.232.101]
  5     2 ms     2 ms     2 ms  gi8-46.2655.peh-cr01.plus.net [84.93.232.26]
  6    15 ms    12 ms    13 ms  po5.peh-cr02.plus.net [84.93.232.17]
  7    13 ms    13 ms    13 ms  84-93-232-60.plus.net [84.93.232.60]
  8    13 ms    12 ms    13 ms  ae3.ptw-cr01.plus.net [195.166.129.32]
  9    16 ms    16 ms    16 ms  ae2.ptw-cr02.plus.net [195.166.129.5]
 10    14 ms    14 ms    13 ms  tunnel-ip11.psb-ir01.plus.net [195.166.129.188]

 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.

Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵

Alucidnation
Rising Star
Posts: 310
Thanks: 15
Registered: ‎03-01-2015

Re: Gateway Check Issues.

No, still the same....

 

 

 

Custom diagnostic check on IP 147.147.192.215

Array
(
    [1] =>  7  core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24)  4.861 ms
)

Sorry, the tool failed to identify your gateway; this does not mean that anything is wrong with your connection.

Posting the following information as a reply to the Gateway Checker Update topic in the Community Announcements forum will help us to diagnose the problem.

  • core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24) 4.861 ms
spraxyt
Resting Legend
Posts: 10,063
Thanks: 674
Fixes: 75
Registered: ‎06-04-2007

Re: Gateway Check Issues.

@bobpullen Tracing from my Plusnet connection to this target worked OK for me before, and still does - the Internet Router used in this case (for both of us) has "tunnel" on its rDNS.

When the tool is used the route is external and the Internet Router traversed after 

core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24)

appears not to be responding to pings (neither ICMP echo nor UDP type).

David
bobpullen
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Re: Gateway Check Issues.

Colour me confused Huh

This is a trace from a Voda LTE connection to one of my own lines at home:

>tracert 143.159.XXX.XXX

Tracing route to 143.159.XXX.XXX
over a maximum of 30 hops:

  1     6 ms     5 ms     3 ms  192.168.43.1
  2     *        *        *     Request timed out.
  3    36 ms    45 ms    36 ms  192.168.213.21
  4    91 ms    35 ms    42 ms  192.168.213.22
  5     *        *        *     Request timed out.
  6    40 ms    40 ms    58 ms  10.206.133.101
  7    36 ms    46 ms    29 ms  213.185.194.173
  8    80 ms    38 ms    46 ms  ae18-100-xcr1.lns.cw.net [195.89.16.17]
  9    46 ms    36 ms    37 ms  t2c3-ae1-0.uk-lon1.eu.bt.net [166.49.211.253]
 10   120 ms    43 ms    42 ms  166-49-211-243.eu.bt.net [166.49.211.243]
 11   162 ms    37 ms    40 ms  core2-hu0-10-0-1.southbank.ukcore.bt.net [195.99.127.12]
 12     *        *        *     Request timed out.
 13   207 ms    47 ms    52 ms  be2.psb-ar01.plus.net [195.166.129.181]
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17   152 ms    59 ms    37 ms  XXX.XXX.159.143.dyn.plus.net [143.159.XXX.XXX]
 18    56 ms    47 ms    48 ms  XXX.XXX.159.143.dyn.plus.net [143.159.XXX.XXX]

So the IR looks to be non-responsive to ICMP, however when I visit the Gateway Checker:

You are currently connected to gateway psb-ir01.

This is located in Southbank Point of Presence.

The same trace to @Alucidnation looks like this, note the IR seems to be responding to ICMP:

C:\Windows\System32>tracert 147.147.192.215

Tracing route to 215.192.147.147.dyn.plus.net [147.147.192.215]
over a maximum of 30 hops:

  1     6 ms     4 ms     7 ms  192.168.43.1
  2     *        *        *     Request timed out.
  3   148 ms    40 ms    38 ms  192.168.213.21
  4    99 ms    45 ms    50 ms  192.168.213.22
  5     *        *        *     Request timed out.
  6   149 ms    45 ms    76 ms  10.206.133.101
  7   216 ms    45 ms    38 ms  213.185.194.173
  8   110 ms    35 ms    37 ms  ae18-100-xcr1.lns.cw.net [195.89.16.17]
  9    99 ms    38 ms    39 ms  t2c3-ae1-0.uk-lon1.eu.bt.net [166.49.211.253]
 10    53 ms    47 ms    39 ms  166-49-211-239.eu.bt.net [166.49.211.239]
 11    54 ms    29 ms    45 ms  core1-hu0-18-0-1.southbank.ukcore.bt.net [62.172
.103.22]
 12   431 ms    37 ms    38 ms  be10.psb-ir01.plusnet.bt.net [195.99.125.131]
 13     *        *        *     Request timed out.
 14     *        *        *     Request timed out.
 15     *        *        *     Request timed out.
 16     *        *        *     Request timed out.
 17     *        *        *     Request timed out.
 18     *        *        *     Request timed out.
 19     *        *        *     Request timed out.
 20     *        *     ^C

Yet the Gateway Checker doesn't work HuhHuhHuh

It's as if ICMP response is selective dependent on the origin.

Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵

spraxyt
Resting Legend
Posts: 10,063
Thanks: 674
Fixes: 75
Registered: ‎06-04-2007

Re: Gateway Check Issues.

For the 147.147.x.x traces, if one looks closely at the routes they are not the same. All three probes using LTE go through

core1-hu0-18-0-1.southbank.ukcore.bt.net [62.172.103.22]
be10.psb-ir01.plusnet.bt.net [195.99.125.131]

(times omitted for clarity). Note that it's "core1" on the left and the IP ends with "22".

The probe from the Gateway Checker goes through

core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24)

Here it's "core2" and "24". There will be "time out/no response" asterisks following that but the Gateway Checker doesn't print the terminal chain of these.

For your IP at home if you do http://usertools.plus.net/@gateway_custom it will print the trace.

David
bobpullen
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Re: Gateway Check Issues.

My diagnostic trace goes through core1 and looks to be responsive:

Array
(
    [1] =>  7  core1-hu0-9-0-1.southbank.ukcore.bt.net (195.99.127.2)  4.494 ms
    [2] =>  8  be10.psb-ir01.plusnet.bt.net (195.99.125.131)  5.201 ms
    [3] =>  9  be2.psb-ar01.plus.net (195.166.129.181)  4.502 ms
    [4] => 10  *
    [5] => 11  *
    [6] => 12  *
    [7] => 13  XXX.XXX.159.143.dyn.plus.net (143.159.XXX.XXX)  13.887 ms
    [8] => 14  XXX.XXX.159.143.dyn.plus.net (143.159.XXX.XXX)  23.363 ms
)

Fits with your theory though.

Bob Pullen
Plusnet Product Team
If I've been helpful then please give thanks ⤵

Alucidnation
Rising Star
Posts: 310
Thanks: 15
Registered: ‎03-01-2015

Re: Gateway Check Issues.

And still the same...

 

Custom diagnostic check on IP 147.147.192.215

Array
(
    [1] =>  7  core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24)  4.560 ms
)

Sorry, the tool failed to identify your gateway; this does not mean that anything is wrong with your connection.

Posting the following information as a reply to the Gateway Checker Update topic in the Community Announcements forum will help us to diagnose the problem.

  • core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24) 4.560 ms

 

Roll_eyes

spraxyt
Resting Legend
Posts: 10,063
Thanks: 674
Fixes: 75
Registered: ‎06-04-2007

Re: Gateway Check Issues.

I've also received a similar report concerning routing through Colindale

Sorry, the tool failed to identify your gateway; this does not mean that anything is wrong with your connection.

Posting the following information as a reply to the Gateway Checker Update topic in the Community Announcements forum will help us to diagnose the problem.

  • core2-hu0-18-0-0.colindale.ukcore.bt.net (62.172.103.16) 4.503 ms
  • *
  • *
David
Riza
Rising Star
Posts: 110
Thanks: 7
Fixes: 1
Registered: ‎24-07-2014

Re: Gateway Check Issues.

Thanks for notifying the mods about the thread not being able to write to for normal users @spraxyt

 

Yes I had that report, and I noticed that I was moved on the new network just last week. (no longer an ag gateway)

 

 

Sorry, the tool failed to identify your gateway; this does not mean that anything is wrong with your connection.

Posting the following information as a reply to the Gateway Checker Update topic in the Community Announcements forum will help us to diagnose the problem.

  • core2-hu0-18-0-0.colindale.ukcore.bt.net (62.172.103.16) 4.503 ms
  • *
  • *

And on the ntp trace route

C:\Users\Henri>tracert ntp.plus.net

Tracing route to ntp.plus.net [212.159.13.49]
over a maximum of 30 hops:

1 1 ms <1 ms 1 ms LINKSYSHOME [192.168.1.1]
2 * * * Request timed out.
3 * * 14 ms 129.hiper04.sheff.dial.plus.net.uk [195.166.143.129]
4 13 ms 13 ms 13 ms be3-3100.pcn-ir01.plus.net [195.166.143.128]
5 13 ms 12 ms 12 ms cdns01.plus.net [212.159.13.49]

Trace complete.

 

Custom diagnostic check

Which gateway

Custom diagnostic check on IP 143.159.###.##

Array
(
    [1] =>  7  core2-hu0-18-0-0.colindale.ukcore.bt.net (62.172.103.16)  4.773 ms
    [2] =>  8  *
    [3] =>  9  *
    [4] => 10  48.185.159.143.dyn.plus.net (143.159.###.##)  20.561 ms

Thanks,

 

Riza
Rising Star
Posts: 110
Thanks: 7
Fixes: 1
Registered: ‎24-07-2014

Re: Gateway Check Issues.

Now on different IP assignment, still the same...

 

  • core1-hu0-9-0-1.colindale.ukcore.bt.net (195.99.127.18) 4.139 ms
  • 195.99.125.141 (195.99.125.141) 4.155 ms
  • *

Speaking of which, I am now assigned with a BT IP instead of the Plusnet one, any changes needed? I have noticed a increase in sync speed from the general 69.4Mbps to 72.73Mbps (Bras Profile checks before and after). Also a decrease in latency, 18ms to 11ms Smiley

 

All since I was pluging and unpluging ethernet cables and sorting out cable management all day today. Must have given that BT DLM a kick (for good hehe).

 

Custom

 

Array
(
    [1] =>  7  core1-hu0-9-0-1.colindale.ukcore.bt.net (195.99.127.18)  4.392 ms
    [2] =>  8  195.99.125.141 (195.99.125.141)  4.538 ms
    [3] =>  9  *
    [4] => 10  XX.XXX.XXX.146.dyn.plus.net (146.198.XXX.XX)  11.707 ms
)

Tracert

 

C:\Users\Henri>tracert ntp.plus.net

Tracing route to ntp.plus.net [212.159.6.10]
over a maximum of 30 hops:

1 1 ms <1 ms <1 ms LINKSYSHOME [192.168.1.1]
2 * * * Request timed out.
3 * * * Request timed out.
4 13 ms 13 ms 13 ms be3-3100.pcn-ir01.plus.net [195.166.143.128]
5 12 ms 11 ms 11 ms cdns02.plus.net [212.159.6.10]

Trace complete.

 

Alucidnation
Rising Star
Posts: 310
Thanks: 15
Registered: ‎03-01-2015

Re: Gateway Check Issues.

Still the same here, although now with a different ip etc..

 

Custom diagnostic check on IP 146.198.119.229

Array
(
    [1] =>  7  core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24)  5.086 ms
)

Sorry, the tool failed to identify your gateway; this does not mean that anything is wrong with your connection.

Posting the following information as a reply to the Gateway Checker Update topic in the Community Announcements forum will help us to diagnose the problem.

  • core2-hu0-18-0-0.southbank.ukcore.bt.net (62.172.103.24) 5.086 ms
Riza
Rising Star
Posts: 110
Thanks: 7
Fixes: 1
Registered: ‎24-07-2014

Re: Gateway Check Issues.

I just want to say that this has been silently resolved.

Thanks,

http://usertools.plus.net/@gateway/

Now reporting:

You are currently connected to gateway pcn-ir01.
This is located in Colindale Point of Presence.
Alucidnation
Rising Star
Posts: 310
Thanks: 15
Registered: ‎03-01-2015

Re: Gateway Check Issues.

Same here on the same gateway, although i'm wondering if this has contributed to the DNS issues?

Riza
Rising Star
Posts: 110
Thanks: 7
Fixes: 1
Registered: ‎24-07-2014

Re: Gateway Check Issues.

This issue has nothing to do with the dns issues.

This was just a bug on a separate website, Plusnet Tools where we can identify which gateway we're connected to.

This website is a community based one which has no correlation to the official Plusnet network engineers. It was based to give us information like the services of 21cn in exchanges or the gateway through a trace route done by a web server.

On the old network there was some gateways that were terrible which is why many would resync until they got their preferred gateway.

On the new network the gateway changes between resync happen less often. And with the new capacity from the new network; there is no reason to hop onto gateways.

This DNS issue lies within the configuration of the new network routing. Moving to a static ip is a workaround and not a solution; you're simply reverting to the old network when doing so.