Never, ever ever. Josh
On Mon, Apr 6, 2015 at 4:20 PM, George Skorup (Cyber Broadcasting) < geo...@cbcast.com> wrote: > I agree, at least try to figure it out. I would replace the RB and see > what happens. Never rule out MikroTik ethernet being stupid! > > > On 4/6/2015 3:12 PM, Ken Hohhof wrote: > >> I have other sites with 450G and 493G in same configuration, also 2011. >> So I'm thinking it's something else, or a bad router. If I were to replace >> it with something else, I have an 850Gx2 sitting here. But this site only >> has one AP, so that would be overkill. It doesn't look like this site will >> ever have enough subs to get sectorized, so the easiest thing would be to >> just put a Syncpipe Parasitic up there. But I'd like to get to the bottom >> of the problem. >> >> >> -----Original Message----- From: George Skorup (Cyber Broadcasting) >> Sent: Monday, April 06, 2015 3:05 PM >> To: af@afmug.com >> Subject: Re: [AFMUG] 10/100 vs GigE SyncInjector >> >> Replace it with a 750GL? >> >> On 4/6/2015 2:52 PM, Ken Hohhof wrote: >> >>> This is a 450G on 6.19. >>> The main symptom is port up/down events in the log. >>> If it's bad enough, the router will start showing that it is only >>> advertising 10M to the peer, and the status will go to 10M. >>> >>> >>> -----Original Message----- From: George Skorup (Cyber Broadcasting) >>> Sent: Monday, April 06, 2015 2:39 PM >>> To: af@afmug.com >>> Subject: Re: [AFMUG] 10/100 vs GigE SyncInjector >>> >>> I have two 10/100 SyncInjectors at two sites. One is a RB1100AHx2 still >>> on v5.25. The other is a RB493G on v6.21.1. I don't see any negotiation >>> issues or CRC/FCS errors, etc. >>> >>> Also, I don't think the GigE PoE on the 450 uses all 8 wires for power, >>> still only 4, 5, 7 & 8 are powered. >>> >>> On 4/6/2015 12:20 PM, Ken Hohhof wrote: >>> >>>> I've mostly gotten rid of problems with Mikrotik ports not wanting to >>>> work at 100M when 450 APs are powered from a 10/100 Syncinjector, by >>>> changing out the WB surge suppressors from LV to GigE. One site still >>>> seems to have some issues, which go away if using the onboard GPS and >>>> turning off sync over power. >>>> >>>> So I can change out the router, Syncinjector, surge suppressor, cable >>>> or AP. If changing out the Syncinjector, I could use another 10/100 version >>>> or spend the extra money for the GigE version. >>>> >>>> Has anyone done a comparison? Is there any difference between the >>>> 10/100 and GigE versions as far as sync over power making Mikrotik Ethernet >>>> ports flap at 100M and then stop advertising 100M altogether? I'm thinking >>>> it could be worse because the power is actually going on the data pins via >>>> the transformers, or better because it is using all 8 wires, or maybe it >>>> makes no difference since power is still not across twisted pairs. >>>> >>>> I do realize I won't get more than 100 Mbps throughput unless I use the >>>> GigE version (duh!), but that doesn't seem to be a major issue with 20 MHz >>>> channels and 256QAM. >>>> >>>> >>> >>> >> >> >
