I have several tower sites where I'm bridging APs. I'm graphing the
individual interfaces in the bridge using Cacti. Looking at the
graphs, they all look very different. If it were truly acting like a
hub, I think you'd see practically the same graph on every interface.
Craig
Quoting Ty Featherling <[email protected]>:
When I implemented the "port isolation" rule I posted earlier. I logged the
traffic first to make sure I was not blocking anything I didn't intend. The
only traffic I saw was broadcast based; EGMP, UBNT Discovery, CDP, etc.
This doesn't rule out the switching function of a bridge since this traffic
isn't destined for a known host MAC. It doesn't prove it either because
there probably wasn't any real port-to-port host-to-host traffic on that
router at that time.
I would love to know that a bridge is the same as a hardware switch but
just in software and thus manageable by ROS.
-Ty
On Wed, Feb 5, 2014 at 11:04 AM, Bill Prince <
[email protected]> wrote:
Google is your friend. Searched the MT forum archives and found this
thread posted in November 2012:
http://forum.mikrotik.com/viewtopic.php?f=3&t=67492
Bottom line from Janisk is as follows:
/to clear some misconceptions if you talk about RouterOS and
RouterBOARD then difference between bridging and switching is as
follows://
//
//bridge interface is software implementation of hardware switch and
thus, features can be extended using software. Basic functionality
is directly comparable to switching. Performance depends on speed
and capabilities of the CPU//
//
//Switching is done in hardware by special chip that has certain
limitations as all the possible features are predetermined by
hardware switch and what configuration possibilities are and can
made available via controlling interface. Since switching is not
done by RouterOS then packets switched by hardware are not visible
by RouterOS, hence no control over those./
bp
On 2/5/2014 8:39 AM, Stephen Wong wrote:
I swear, if there is proved evidence that a Mikrotik RouterOS 5 works like
a hub with the bridge ports configured in software (and with the hardware
switch chip also working like a hub), I dump immediately all Mikrotik
equipments in our personal / business environment. If it is the case,
it's
just such a big crap that worth nothing in network field.
Please, give me the evidence, and I'll go back to Cisco / Juniper without
regret.
Stephen WONG
On Thu, Feb 6, 2014 at 12:28 AM, <[email protected]
>wrote:
Message: 4
Date: Wed, 05 Feb 2014 08:26:18 -0800
From: Bill Prince <[email protected]>
Subject: Re: [Mikrotik] Bridge Ports showing with an S on version 6.7
To: [email protected]
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
The software bridge used to operate like a hub, and according to some
reports that we've gotten, the switch chip also operated like a hub.
However, I have heard through the rumor mill that the hub-like operation
of the switch chip was fixed in ROS 6.x.
I have not personally tested either one.
This would be a good point for someone that actually knows to chime in.
Chupaka?
Butch?
bp
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