I'd agree with that.  Are you able to provide the info from the low level
shell?

On Mon, Apr 4, 2022 at 6:06 PM Nate Burke <n...@blastcomm.com> wrote:

> I don't want to read into anything, but my Ticket at Cambium has been open
> for a week an a half, and they have ask for no additional information, and
> just keep updating me that's its being worked internally.  That sounds like
> they know the problem exists and haven't been able to track down the cause
> yet.
> On 3/24/2022 2:57 PM, Josh Luthman wrote:
>
> Did Cambium give you the back door key to troubleshoot these kinds of
> issues?
>
> I worked with Dmitry to find an extremely weird bug on the 3000 light omni
> - went as far as to solder an rs232 jack on it.
>
> On Thu, Mar 24, 2022 at 11:21 AM Nate Burke <n...@blastcomm.com> wrote:
>
>> Took 5 days for the issue to surface again.  It seems that any change to
>> the EPMP AP that causes a radio reset will clear the issue.  But
>> disassociating or rebooting the SM will not.  The last time I changed the
>> 'Reliable multicast' setting and it started working.  This time I changed
>> the frame size from 2.5ms to 5ms and it started working.  But both of those
>> changes caused the RF to reset, so I don't think that it's the setting so
>> much as something in the AP network/rf stack getting reset.  I'll open a
>> ticket with Cambium, but as infrequent as it is, I'm not sure what they'll
>> be able to find.
>>
>> On 3/22/2022 11:17 AM, Nate Burke wrote:
>>
>> It has not happened again since Saturday, but that's the only AP out of
>> the hundred deployed that I set that 'reliable multicast' setting on.  I
>> think that it did cause an RF Drop when that setting was changed, so maybe
>> just kicking the radio from the AP would be enough?  Every other site with
>> the issue had multiple sectors, so kicking the SM From one AP would have it
>> attach to another AP at the site and it would start working.  However
>> rebooting the SM and it attaching back to the same AP does not fix it.Â
>> Need to wait another couple days for it to happen again to do some more
>> testing.Â
>>
>> On 3/22/2022 7:59 AM, dmmoff...@gmail.com wrote:
>>
>> Interesting.  I think that initial offer is a broadcast packet…..maybe
>> that “reliable multicast†setting affects broadcast as well?
>>
>> Â
>>
>> *From:* AF <af-boun...@af.afmug.com> <af-boun...@af.afmug.com> *On
>> Behalf Of *Nate Burke
>> *Sent:* Saturday, March 19, 2022 7:38 AM
>> *To:* AnimalFarm Microwave Users Group <af@af.afmug.com>
>> <af@af.afmug.com>
>> *Subject:* Re: [AFMUG] EPMP1000 and DHCP failures
>>
>> Â
>>
>> I was able to get a packet capture while it while it was happening.Â
>> Client had been running fine for about 3 days before it started erroring (3
>> hour DHCP Lease).  Nothing was logged with the firewall rules on the
>> Mikrotik doing the DHCP Server.
>>
>> I have a mikrotik between the 450SM an the EPMP AP, I was able to run a
>> packet capture from there.  I ran it on the interface of the EPMP radio.Â
>> It was showing the DHCP Discover being sent to the Server, and the DHCP
>> Offer being sent back to the client, but that was it, no DHCP Request
>> Packet coming from the EPMP Interface.Â
>>
>> On the EPMP AP,  I changed the 'Reliable Multicast' from Disabled to
>> Enabled.  And the client immediately got a DHCP lease after saving that
>> (No AP Reboot).  The DHCP Request Packet came back from the client as soon
>> as the Discover/offer packets were sent.  I'm not convinced that was the
>> issue, as I don't have it enabled on ay other EPMP radio on the network.Â
>> It seemed more like making a change in the AP reset something in the EPMP
>> network stack.  It's just strange that it happens so randomly.
>>
>> On 3/14/2022 7:24 PM, Steve Jones wrote:
>>
>> The mikrotik that handles the dhcp relay or dhcp, log any input firewall
>> rules and see if its dropping the packets
>>
>> Â
>>
>> On Mon, Mar 14, 2022, 7:03 PM Nate Burke <n...@blastcomm.com> wrote:
>>
>> Just had it happen on a newly installed EPMP1000<->EPMP1000 link.  AP
>> and SM are both 2.4 non-GPS radios.  Feed to site is a 450B off a450M
>> AP.  Relay from barn to house using 2.4 EPMP 1000 radios.Â
>>
>> Was working fine when I left,  3 hours later, DHCP lease timed out
>> (Mikrotik DHCP Lease time) and would not get new lease.  Rebooting the
>> 1000 Radio acting as the AP fixed it.  If it happens again, I'll try to
>> get a packetcapture off it.
>>
>> On 3/9/2022 10:14 AM, Steve Jones wrote:
>>
>> the mikrotik is dhcp relay, BMIÂ is the dhcp server
>>
>> Â
>>
>> On Wed, Mar 9, 2022 at 10:07 AM Josh Luthman <j...@imaginenetworksllc.com>
>> wrote:
>>
>> Oh this is on the DHCP server, sorry.
>>
>> Â
>>
>> On Wed, Mar 9, 2022 at 10:31 AM Steve Jones <thatoneguyst...@gmail.com>
>> wrote:
>>
>> we have to have it for dhcp relay to keep functioning. otherwise it
>> periodically stops working from EPMP APs, I never knew why, mikrotik had no
>> answer, but it would suddenly get caught up in non ACL drops add
>> action=accept chain=input comment="ALLOW DHCP UDP 67" dst-port=67
>> log-prefix=dhcp protocol=udp
>>
>> Â
>>
>> On Wed, Mar 9, 2022 at 8:12 AM Josh Luthman <j...@imaginenetworksllc.com>
>> wrote:
>>
>> The input chain is to the Mikrotik itself, ie the IP address that it
>> would theoretically get from the DHCP server.  I was thinking of a managed
>> Mikrotik as a demarc to the customer's stuff (so forward chain).
>>
>> Â
>>
>> On Tue, Mar 8, 2022 at 7:57 PM Steve Jones <thatoneguyst...@gmail.com>
>> wrote:
>>
>> I had this issue a long time ago, id like to think that it was a firmware
>> revision that resolved the issue, but it was a long time ago and im
>> partially retarded.Â
>>
>> If you have a mikrotik, add an input rule allow udp 67. Just for kicks.
>> It might be this issue that i have that policy for.
>>
>> Â
>>
>> On Tue, Mar 8, 2022, 4:22 PM Josh Luthman <j...@imaginenetworksllc.com>
>> wrote:
>>
>> Raise a ticket with Cambium and explain the situation?  If you could get
>> pcap that would show what's missing.  Do you have a Tik behind any SM with
>> the issue by chance?
>>
>> Â
>>
>> On Tue, Mar 8, 2022 at 4:05 PM Nate Burke <n...@blastcomm.com> wrote:
>>
>> No DHCP Relay, just local DHCP Server on the mikrotik on the bridge that
>> all the AP's are part of.
>>
>> No MAC limit on the SM'sÂ
>>
>> When it exhibits itself, a customer who has been running for weeks will
>> timeout their lease, and the mikrotik will just go to 'offered'Â  Rebooting
>> the AP always fixes it.Â
>>
>> On 3/8/2022 1:18 PM, dmmoff...@gmail.com wrote:
>>
>> I was wondering about broadcast rate limit.  That would apply to a DHCP
>> discover, but not to a renewal.  ….but either the MAC limit or broadcast
>> limit would clear when rebooting the SM, and he says rebooting the SM has
>> no effect.
>>
>> Â
>>
>> Is DHCP running on the port that the AP is plugged into, or is there a
>> DHCP relay involved?
>>
>> Â
>>
>> Â
>>
>> *From:* AF <af-boun...@af.afmug.com> <af-boun...@af.afmug.com> *On
>> Behalf Of *Josh Luthman
>> *Sent:* Tuesday, March 08, 2022 12:43 PM
>> *To:* AnimalFarm Microwave Users Group <af@af.afmug.com>
>> <af@af.afmug.com>
>> *Subject:* Re: [AFMUG] EPMP1000 and DHCP failures
>>
>> Â
>>
>> Do you have the SM limited on MACs?  Look at Ethernet Port Security on
>> config > network.
>>
>> Â
>>
>> On Tue, Mar 8, 2022 at 12:32 PM Nate Burke <n...@blastcomm.com> wrote:
>>
>> I've experienced this issue randomly, and haven't been able to track
>> down a cause.  Wondering if anyone else has come across something
>> similar.
>>
>> Mikrotik DHCP Server.  EPMP1000 GPS AP,  Force 300 SM.
>>
>> At a random time, one or More Force 300 SM's on the AP will lose the
>> ability to hand out a DHCP Address to the client.  The Mikrotik just
>> shows 'Offered'
>>
>> Rebooting or powercycling the SM has no effect.  If the SM Connects to a
>> different sector, then DHCP is immediately handed out.  If the AP
>> reboots, and the SM reconnects, then DHCP is immediately handed out.  If
>> the SM is set for NAT mode, it can get a DHCP Address just fine, but
>> switching back to bridge, the Customer router will not get DHCP.
>>
>> I've experienced this from 4.4.3 all the way up to 4.6.3.  It always
>> seems to be an EPMP1000 AP with a Foce300 SM, but does not affect every
>> Force300 SM at the same time.
>>
>> At least now I know when I start having this problem to go reboot the AP.
>>
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