--- 
No central management 
--- 

https://unimus.net/ 




--- 
Support seems to only be via the forum 
--- 


supp...@mikrotik.com, various communities, or consultants 





----- 
Mike Hammett 
Intelligent Computing Solutions 

Midwest Internet Exchange 

The Brothers WISP 




----- Original Message -----

From: "Adam Moffett" <dmmoff...@gmail.com> 
To: af@af.afmug.com 
Sent: Wednesday, November 13, 2019 9:37:39 AM 
Subject: Re: [AFMUG] SFP Switches 


That could be a whole thread in and of itself. I've probably got 100 or so 
CRS's in the field right now, plus 50-100 Mikrotik routers of one type or 
another. Usually Tilera or MIPS BE. 
First, so you know I'm not a hater I'll list the pros: 

    * Generally every ROS feature is available on every Mikrotik. When I lived 
in Cisco land, it was sometimes frustrated to read about a feature that I 
wanted to implement and then find out that it didn't exist on this platform, or 
only worked if you had a certain module installed, or required a different IOS 
feature track, etc. 
    * They have two GUI's (Winbox and Web) and a CLI and they're all very 
consistent with each other. Clicking Routing->OSPF->Neighbors is equivalent to 
typing /routing ospf neighbors. Cisco sucked at this kind of usability and 
convenience. 
    * Almost all models have an industrial temperature spec -40C to +65C. I 
sometimes wonder whether it could be an honest spec given their price 
point.....but I also never had one die due to temperature as far as I know. 
    * Low price 
    * More or less every feature is there. If ROS can't do something, then it's 
something esoteric and you probably don't need it. 
    * Physically they have low power consumption, wide range DC input 
(typically 10-60V), and small size. 



Below are the problems that have me questioning my faith in the pride of 
Latvian electronics: 

    * Mysterious problems solved by reboot. It is by no means common , but put 
enough of these things out there and I promise you'll see it. Typically there's 
not enough information to troubleshoot with. 


        * SNMP stopped working on one unit yesterday. Reboot fixed. Probably 
the snmpd stopped, but there was no log message about it and nothing to 
indicate what was wrong, and no way to recover except reboot. 
        * I've mentioned before, but the CRS will sometimes decide one day that 
it doesn't want to pass any traffic to one or more ports. Reboot fixes. Again 
no indication of what's wrong other than it's not working. I have only seen 
this on 2xx models, but they may be because that's mostly what we have. 
        * Other such incidents. And it's pretty much always the switches, not 
the routers, doing these things. 
    * L2 features are obtuse. You now have Interface->VLAN, Switch->VLAN, and 
Bridge->VLAN menus. In any given combination of hardware and software two of 
these menus are not what you want, but all three are always present. There are 
other examples of duplicate functionality. If you use the wrong menus it may 
not work at all, or (worse) it may function as expected but perform poorly. At 
least Cisco took away the "wrong" options.     * Documentation tends to be 
terse. That can be a positive thing when you already know what you need to do 
and just need to know the syntax (as an example), but sometimes I'd appreciate 
a deeper dive. Queue trees for example is something where you really want to 
experiment to understand what you're dealing with. I'd appreciate more detailed 
info on that. 
    * No central management except whatever scripts you write yourself. I'm not 
sure how far I'm willing to test scaling with just pexpect and some copy pasta, 
but I think I'm near the limit already. I realize there's an API, but I'm not 
inclined to DIY an NMS. Upgrading ROS on 200 devices is currently a project 
requiring multiple maintenance windows across several days. I would pay for 
software that automates this.....but such software doesn't seem to exist. 
    * Support seems to only be via the forum. I haven't needed much help with 
usability, but I wouldn't mind getting assistance with some of the "mysterious 
problems solved by reboot" mentioned above. 

Also no MEF. I'm reaching a point where some layer2 diagnostics might be 
desirable. For example I ran across an ethernet segment where one customer 
couldn't get above 50mbps. I was able to narrow it down to a particular device 
by a process of elimination, but I'm betting some of the proper carrier 
switches have better ways to trouble shoot something like that (which is why I 
was looking at Adtran). I still have feelers out on that. 
I guess none of my Mikrotik complaints are insurmountable, but it's enough to 
make me look around and check how green the neighbors' grass looks. 

-Adam 



On 11/13/2019 9:36 AM, Josh Luthman wrote: 



What complaints? What don't you like about that solution that has you looking 
elsewhere? 





Josh Luthman 
Office: 937-552-2340 
Direct: 937-552-2343 
1100 Wayne St 
Suite 1337 
Troy, OH 45373 



On Wed, Nov 13, 2019 at 9:32 AM Adam Moffett < dmmoff...@gmail.com > wrote: 

<blockquote>


It's hard to argue with those Mikrotik CRS switches for what you get for the 
money, but I have my complaints. 
I'd like to explore other switches with: 

    * at least 4 SFP+ ports 
    * at least 4 SFP ports 
    * DC input 
    * Extended temperature range (doesn't have to be -40, but does need to 
operate below freezing) 
    * Smallish size (1/4 depth 1U, or possibly DIN rail) 

I have feature wishes too, but just the size and temperature spec takes 99% of 
switches out of the mix. What options are there? I looked at an Adtran Netvanta 
and loved it.....but the price tag will knock you out of your chair. Rather 
than talk to every switch vendor in the world, I wonder if any of you guys 
already found something you like. 

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</blockquote>

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