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Re: Where did my gateway go?



[Oops!  Mistakenly replied to tomas@tuxteam.de -
here's where it should have gone.]

On 30/08/19 03:42 PM, tomas@tuxteam.de wrote:

> On Fri, Aug 30, 2019 at 01:45:47PM -0700, Charlie Gibbs wrote:
>
>> My laptop (a Lenovo T410 running Stretch) has suddenly lost the
>> ability to access the Internet.
>>
>> cjg@cjglap2:~$ ping pop.surfnaked.ca
>> PING pop.surfnaked.ca (216.113.192.36) 56(84) bytes of data.
>
> Hm. Host resolution seems to work, somehow. Don't count on
> "ping" (ICMP) getting through, not all firewalls allow that
> (perhaps your ISP has changed his mind while you were away?)
>
> Try "traceroute pop.surfnaked.ca", that might shed some light

traceroute to pop.surfnaked.ca (216.113.192.36), 30 hops max, 60 byte packets
 1  gateway (192.168.0.1)  95.588 ms  95.547 ms  95.517 ms
 2  10.31.12.1 (10.31.12.1)  95.498 ms  95.477 ms  95.454 ms
3 154.11.12.196 (154.11.12.196) 95.438 ms 154.11.2.53 (154.11.2.53) 95.402 ms 154.11.12.196 (154.11.12.196) 95.388 ms
 4  154.11.2.86 (154.11.2.86)  95.351 ms  95.325 ms  95.304 ms
 5  * * *
 6  * * *
 7  69.196.88.130 (69.196.88.130)  23.574 ms  23.555 ms  23.517 ms
 8  216.113.192.217 (216.113.192.217)  23.487 ms  23.437 ms  23.412 ms
 9  * * *
10  * * *
11  * * *
12  * * *
13  * * *
14  * * *
15  * * *
16  * * *
17  * * *
18  * * *
19  * * *
20  * * *
21  * * *
22  * * *
23  * * *
24  * * *
25  * * *
26  * * *
27  * * *
28  * * *
29  * * *
30  * * *

>> Destination     Gateway         Genmask         Flags Metric Ref
>> Use Iface
>> default         gateway         0.0.0.0         UG    0      0
>
>> What's that word "gateway" doing in the "Gateway" column? [...]
>
> That's because your host resolves whatever IP address to that
> host name.
>
> Try "route -n" if you don't want that.

That gave me 192.168.0.1.  Interesting that this doesn't happen
on my desktop machine, which is also running Stretch (albeit a
slightly older version).

Anyway, my laptop seems to be able to access the Internet again.
Thanks for the help.

--
cgibbs@surfnaked.ca (Charlie Gibbs)


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