2degrees "direct" APN Not Working 29-Jul-21

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reubenfarrelly

12 posts

Geek

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#288876 29-Jul-2021 12:01

Looks like the 'direct' APN is not working this morning - I'm being assigned a public IP address but there is no IP reachability. Everything stopped at around 5:45am NZST. Any IP traffic destined for an IP assigned to the router is responded to with an ICMP Host Unreachable message:

traceroute to 118.148.58.24

10 91-0-148-118.nzcomms.co.nz (118.148.0.91) 27.952 ms 27.988 ms 27.963 ms
11 91-0-148-118.nzcomms.co.nz (118.148.0.91) 27.989 ms !H 27.897 ms !H 27.930 ms !H

Counters on my router (A Cisco 819) show traffic is being sent out but not a single packet is coming back in. After restarts and new dynamic IPs being assigned it still isn't working, but if I change over to APN: Internet then outbound access works (just no inbound...).

Hopefully 2degrees can have this fixed soon.

Linux

11434 posts

Uber Geek

Trusted

Lifetime subscriber

#2751744 29-Jul-2021 12:07

Maybe the direct APN has a small IP pool and this is exhausted or the APN now has the standard APN rule block inbound connections

djtOtago

1153 posts

Uber Geek

#2751746 29-Jul-2021 12:09

Have you contacted 2degrees?
This is not an official support channel.

reubenfarrelly

12 posts

Geek

ID Verified

#2751747 29-Jul-2021 12:11

There doesn't seem to be an issue getting an IP - every time I restart I get a different one so I don't think the pool is exhausted. The ICMP message returned from the far end router at 2degrees is "Host Unreachable" which is typical of either (a) a firewall rule blocking the traffic or (b) the gateway not having a route for the client's IP.

Yes I have contacted them. No response as of yet.

c0ld

234 posts

Master Geek

#2751822 29-Jul-2021 15:57

Working ok here fine (if I've understood the query correctly).

Run a web server app on my android device using direct apn. Create a custom index.html page ' It worked!', run server on port 8080. Verify IP assigned to my device by googling 'what is my IP.

Visit IP from another device (different network), connects fine...

Edit: And trace

reubenfarrelly

12 posts

Geek

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#2751876 29-Jul-2021 16:19

Yes it looks like it all came right around lunchtime. Someone at 2degrees must have noticed :-)

c0ld

234 posts

Master Geek

#2751911 29-Jul-2021 18:17

Awesome glad my 1hr of testing was completely pointless when it seems the issue was solved hours earlier.

Updates people ;-)

reubenfarrelly

12 posts

Geek

ID Verified

#2752118 30-Jul-2021 00:44

Sorry about that c0ld - I didn't find out myself until some hours after it had been fixed and I was able to look back in logs to see it came good earlier on. I'm pretty impressed with your diagnostic setup though!