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leosmendes
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hardware offload for rb922 and hEX

Tue Apr 24, 2018 3:35 pm

Hello, good morning everyone. I would like to know if the chips of the rb's 922 and hEX support hardware offload, I see mention of hEX, but even enabling the option in the interface inside the bridge does not appear the H in the list of bridge interfaces. I'm using version 6.42.1 for firmware too
 
Sob
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Re: hardware offload for rb922 and hEX

Tue Apr 24, 2018 6:16 pm

I don't know about these two exactly, but generally HW offload works only for some features. When you enable some extras not supported by HW, you're back to SW for whole thing.
 
leosmendes
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Re: hardware offload for rb922 and hEX

Tue Apr 24, 2018 9:03 pm

a simple bridge with no filter
 
squeeze
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Re: hardware offload for rb922 and hEX

Thu Apr 26, 2018 4:39 am

I checked the default configuration of a hEX (gr3) today, after resetting it, and there's no indication of hw-offload being enabled with the default single bridge. I am not sure what to make of that.
 
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Paternot
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Re: hardware offload for rb922 and hEX

Thu Apr 26, 2018 5:36 am

Weird. With mine it's working. I'm with 6.42.1 - but I'm sure it worked too with 6.41
/interface bridge port print
Flags: X - disabled, I - inactive, D - dynamic, H - hw-offload 
 #     INTERFACE                                                                              BRIDGE                                                                              HW  PVID PRIORITY  PATH-COST INTERNAL-PATH-COST    HORIZON
 0   H ether1                                                                                 bridge1                                                                             yes    1     0x80         10                 10       none
 1   H ether3                                                                                 bridge1                                                                             yes    1     0x80         10                 10       none
 2   H ether4                                                                                 bridge1                                                                             yes    1     0x80         10                 10       none
 3   H ether2                                                                                 bridge1                                                                             yes    1     0x80         10                 10       none
And
/interface bridge port export
# apr/25/2018 23:32:06 by RouterOS 6.42.1
# software id = <software ID>
#
# model = RouterBOARD 750G r3
# serial number = <serial number>
/interface bridge port
add bridge=bridge1 interface=ether1
add bridge=bridge1 interface=ether3
add bridge=bridge1 interface=ether4
add bridge=bridge1 interface=ether2
 
nmt1900
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Re: hardware offload for rb922 and hEX

Thu Apr 26, 2018 10:28 am

It might have something to do with IGMP snooping - if it's turned on (as it is by default on new bridges) then HW offload is deactivated. HW offload will be available after IGMP snooping is turned off on the bridge.

It looks like only CRS series devices can have both at the same time.

https://wiki.mikrotik.com/wiki/Manual:S ... Offloading
 
leosmendes
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Re: hardware offload for rb922 and hEX

Thu Apr 26, 2018 5:05 pm

even after disabling igmp makes no difference, offload hardware continues disabled
 
krzysztof
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Re: hardware offload for rb922 and hEX

Fri Apr 27, 2018 1:33 am

Please don't test IGMP snooping still doesn't work.
I am asking engineers from Mikrotik to test it on my TV network, but they don't want to.
So many years please Mikrotika to do IGMP snooping and nothing.
Why don't you listen to your customers?
krzysztof@pawluk.org
 
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chechito
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Re: hardware offload for rb922 and hEX

Fri Apr 27, 2018 1:51 am

in case of rb922

i think Hardware offload in bridges, works inly for physical Ethernet ports members of same switch chip (mikrotik wiki specifically touch this topic on switch chip features)

if you are bridging a wireless interface i think you are limited to fast path acceleration

if your bridge has only 2 ports you can try fast forward, "Special and faster case of Fast Path which works only on bridges with 2 interfaces", available since routeros 6.39 (cli only)

in the case of hEX (rb750gr3) mmips

What's new in 6.42.1 (2018-Apr-23 10:46):

...
*) bridge - fixed hardware offloading for MMIPS and PPC devices;
..
 
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baragoon
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Re: hardware offload for rb922 and hEX

Fri Apr 27, 2018 8:00 am

disable (r)stp and hw-offload will work
 
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anav
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Re: hardware offload for rb922 and hEX

Wed May 16, 2018 6:41 am

(HEX UNIT, latest firmware): I too noticed today that my HW offload is selected (checked off in the box) but comes as a big FAT NO in my configuration file.
Why would that be?

SOLVED: I had RTSP selected in the RTP tab for some strange reason. With the setting of NONE, my hw offload works!
 
krzysztof
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Re: hardware offload for rb922 and hEX

Fri Aug 31, 2018 1:19 am

Important announcement. IGMP snooping works ok!!
From the RuterOS version 6.43rc66, IGMP snooping works.


I don't know whether to be happy or congratulate, whether to cry, I waited for IGMP 10 years!
Many years of requests and reminders.

Thank you IPTV works.

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