03-24-2013 09:17:39 AM
We've had a 3G Microcell in our home for many months working just fine. This weekend the "3G" status light began a blinking cycle (green-on very briefly, then off for 1-2 seconds). None of the registered phones previously working with the Microcell are able to link. All other status indicators (Power, Ethernet, GPS) are solid green.
Trying the remedies recommended in the manuals does not change the outcomes:
- power-cycle the Microcell
- connect the Microcell on the "DMZ" interface of the home router (Qwest M1000)
A Wireshark packet-capture of the network traffic from the Microcell from boot-up shows an eventual attempt to establish an SSL connection variously to each of:
Each SSL Client Hello to these servers end, seemingly unexpectedly, with a RST,ACK from the server without any SSL session appearing to commence (beyond what looks like one initial key exchange). Except for NTP no other traffic in the capture on ports listed as necessary in the Microcell manual are seen to/from the device:
123/UDP: NTP timing (NTP traffic *is* seen, to 184.108.40.206)
443/TCP: Https over TLS/SSL for provisioning and management traffic
4500/UDP: IPSec NAT Traversal (for all signaling, data, voice traffic)
500/UDP: IPSec Phase 1 prior to NAT detection (after NAT detection, 4500/UDP is used)
4500/UDP: After NAT detection, 4500/ UDP is used
Any ideas? Open a tech-support call with ATT ?
03-24-2013 10:19:19 AM
Are you talking about the very last light on the MicroCell is blinking? If so, I have the same problem that just started, however I am still connected to the Microcell, I've tried powering it off and that worked for only a bit, then it goes back to flashing, however we are all still connected.
03-24-2013 10:29:36 AM
Yes, the one the manual describes as the "3G" light, the bottom one or the staircase/bars extending lower-to-upper left-to-right.
FWIW, I've verified that I can "telnet 4500" and "telnet 500" from my work computer to my outside public IP address, and the Microcell does respond, which tests that my ISP has not started blocking those ports.
I've seen a few other posts where ATT responds that the server is down, they apparently kick it, and it comes back up.
I've not yet opened a ticket by phone but will if these forum posts don't get any response.
03-24-2013 03:13:42 PM
I'm having the same issue. It was working fine this morning, then just started flashing and now my iPhone4 won't connect to it. Have tried re-booting and the "alternate connection" described in the manual. The other lights are on (power, internet, GPS).
03-24-2013 08:39:34 PM
Samething with me, Rebooted, power cycled, reset router and MicroCell, I called AT&T but today is Sunday, not too many MicroCell braniacs there today, I do have a case number. It has to be on their end.
03-25-2013 04:30:29 AM
After many months of reliable service, my mcell went offline last night with a blinking 3G light also. I've not bothered to call AT&T as they'll only have me waste my time rebooting (already done) and reconnecting (useless) to see if that resolves the problem. I have no other Internet connectivity problems. I use Time Warner Cable and connect through my own Linksys E2000 router. I am fairly certain AT&T has an outage they probably won't acknowledge and/or haven't told their techs about. Curiously, what part of the country are you in? I'm in upstate New York near Albany. Maybe this is limited to a specific geographic region.
03-25-2013 04:55:07 AM
AT&T told me a switch failed last night., I got this info after the first tech had me wast an hour messing around with tings that had no relation to the issue.
03-25-2013 09:21:49 AM
Mine stopped working sometime yesterday (March 25th)
I spent the night checking my router, internet connection, re activating the M-Cell, talking on the phone to tech support, waiting for them to call back, and finally they opened a case, and gave me a case number, said it would be fixed within 72 hours.
I wish I would have known this was an AT&T switch issue before I started all of these annoying troubleshooting tips.
I'm in Kenosha, WI (Milwaukee area)
03-25-2013 11:28:54 AM
Well, well....just got a text from ATT saying my Microcell was activated and ready (I tried de-activating and reactivating yesterday). Sure enough, it is back up and running. It must have been a network switch, as mentioned above. I too am in the Chicagoland area.
03-25-2013 02:00:30 PM
My microcell just came back online a few minutes ago here in upstate New York. Rebooted the box and pulled/reconnected the network cable to "help" the process along.
03-25-2013 04:43:13 PM
I had the same problem in Chicago all weekend, the blinking 3G light that no rebooting would fix, and yet it still seemed to work fine - I was able to make and get calls no problem. It seems to have stopped blinking and gone back to solid green sometime today as it's solid now Monday evening.
03-28-2013 11:32:52 AM
Sorry I'm a late to the party but it sounds like an East Coast switch failed somewhere (which can cause a cascade to other switches). Sounds like all is well now though. A rapidly blinking green 3G light usually indicates that the MicroCell has lost connection to the AT&T servers, either thru an update where the update failed or an upstream switch. Unfortunately, both result in the same symptom but have entirely different causes. It's always best to post your area so as more people experience the failure, a pattern may develop which is extremely useful for troubleshooting. Phone support is usually the last to know about these things so the sooner the reports are made, with area location, the faster the system engineers can work on it.
04-04-2013 11:44:02 AM
I have been having this problem for over a mon th now. The microcell just stopped working. Got a new one. Been on the phone for hours with both AT&T and Verizon FIOS.
After looking over this forum, I decided to try a hard reset of the router. Had to do it twice. Guess I didn't hold the button in long enough the first time. Held it down about thirty seconds the second time.I had my computer go to http://192.168.1.1. Asked me for User name, which is "admin". It asked me for a new password and confirmation of new password. And the 3G on the microcell came on!!!!
Hope this can help someone else. I was pulling my hair out.
04-04-2013 12:40:13 PM
30 seconds seems to be the magic number. The MicroCell needs to go thru the entire startup process in the reset mode to clear out anything that may be hung up after a failed update or any number of other issues. Glad to hear it's up and running now for you.