No fast path on bridge?

acidsas · Fri Feb 20, 2015 7:25 pm

Hello!

I have a RB922UAGS as a plain wireless bridge. No firewall, nothing running on it. Just a plain WDS bridge. And I don't get why fast path isn't available on the bridge?

[admin@MikroTik] > /interface print detail 
Flags: D - dynamic, X - disabled, R - running, S - slave 
 0   S name="ether1" default-name="ether1" type="ether" mtu=1500 actual-mtu=1500 l2mtu=1600 max-l2mtu=4076 mac-address=4C:5E fast-path=yes link-downs=0 

 1  RS name="sfp1" default-name="sfp1" type="ether" mtu=1500 actual-mtu=1500 l2mtu=1600 max-l2mtu=4076 mac-address=4C:5E fast-path=yes last-link-up-time=jan/07/2015 05:38:04 link-downs=0 

 2  R  name="wlan1" default-name="wlan1" type="wlan" mtu=1500 actual-mtu=1500 l2mtu=1600 mac-address=4C:5E fast-path=yes last-link-up-time=jan/07/2015 05:38:06 link-downs=0 

 3  R  name="bridge1" type="bridge" mtu=1500 actual-mtu=1500 l2mtu=1600 mac-address=4C:5E fast-path=no last-link-up-time=jan/07/2015 05:38:02 link-downs=0 

 4  R  name="vlan707" type="vlan" mtu=1500 actual-mtu=1500 l2mtu=1596 mac-address=4C:5E fast-path=no last-link-up-time=jan/07/2015 05:38:02 link-downs=0 

 5 DRS name="wds1" type="wds" mtu=1500 actual-mtu=1500 l2mtu=1600 mac-address=4C:5E fast-path=yes last-link-up-time=jan/07/2015 05:38:06 link-downs=0

[admin@MikroTik] > /interface bridge port print detail 
Flags: X - disabled, I - inactive, D - dynamic 
 0    interface=sfp1 bridge=bridge1 priority=0x80 path-cost=10 edge=auto point-to-point=auto external-fdb=auto horizon=none auto-isolate=no 

 1 I  interface=ether1 bridge=bridge1 priority=0x80 path-cost=10 edge=auto point-to-point=auto external-fdb=auto horizon=none auto-isolate=no 

 2  D interface=wds1 bridge=bridge1 priority=0x80 path-cost=100 edge=no point-to-point=yes external-fdb=no horizon=none auto-isolate=no

Running ROS v6.22

rextended · Fri Feb 20, 2015 7:37 pm

Obviously fast path not work on software bridge if you activate firewall or other settings than disable fast-path.

Full config?

acidsas · Fri Feb 20, 2015 7:41 pm

Obviously fast path not work on software bridge if you activate firewall or other settings than disable fast-path.

Full config?

Are you sure? Here is a quote from wiki:

Bridge handler

Bridge fast path is automatically used if following conditions are met:

no bridge firewall rules (/interface bridge filter, /interface bridge nat) are configured,
/interface bridge settings use-ip-firwall=no,
destination interface queue is set to only-hw-queue,
no mesh, metarouter interface configuration,
sniffer, torch and traffic generator is not running

Do you want to see export compact? I can do it later today.

acidsas · Fri Feb 20, 2015 7:43 pm

Whoops, I've replied to your original post

All the requirements are met for the fast path. I'll post config a little later.

rextended · Fri Feb 20, 2015 7:48 pm

Whoops, I've replied to your original post
[...]

Sorry, I'm not english and sometime I misunderstand the question at first time

))

And I never see one point that show if fast path are active or not on bridge, only on other interfaces....
Probably fast path are active, but you can not see by reading one terminal or winbox value...

acidsas · Tue Feb 24, 2015 12:02 pm

Here is my config.Pretty simple.

/interface bridge
add mtu=1500 name=bridge1
/interface wireless
set [ find default-name=wlan1 ] band=5ghz-a/n/ac channel-width=20/40mhz-Ce disabled=no frequency=5xxx frequency-mode=superchannel guard-interval=long hw-retries=15 l2mtu=1600 mode=ap-bridge multicast-helper=full nv2-cell-radius=10 nv2-preshared-key=xxx nv2-security=enabled radio-name=m rx-chains=0,1 ssid=xxx \
    tdma-period-size=auto tx-chains=0,1 tx-power=6 tx-power-mode=all-rates-fixed wds-default-bridge=bridge1 wds-mode=dynamic wireless-protocol=nv2
/interface wireless nstreme
set wlan1 enable-nstreme=yes framer-policy=dynamic-size
/interface vlan
add interface=bridge1 l2mtu=1596 name=vlan707 vlan-id=707
/snmp community
set [ find default=yes ] addresses=178.219.
/system logging action
set 2 remember=yes
set 3 src-address=0.0.0.0
/interface bridge port
add bridge=bridge1 interface=sfp1
add bridge=bridge1 interface=ether1
/ip firewall connection tracking
set enabled=no
/ip address
add address=172.24.249.131/27 interface=vlan707 network=172.24.249.128
/ip dhcp-client
add default-route-distance=0 dhcp-options=hostname,clientid disabled=no interface=ether1
/ip dns
set servers=178.219
/ip ipsec policy
set 0 dst-address=0.0.0.0/0 src-address=0.0.0.0/0
/ip proxy
set cache-path=web-proxy1
/ip route
add distance=1 gateway=172.24.
/ip upnp
set allow-disable-external-interface=no
/snmp
set contact=admin enabled=yes location=M trap-community=public
/system clock
set time-zone-name=Europe
/system leds
set 1 interface=wlan1
/system ntp client
set enabled=yes primary-ntp=178.219. secondary-ntp=64.4.
/system routerboard settings
set cpu-frequency=720MHz
/system watchdog
set watch-address=172.24.

Tue Feb 24, 2015 12:07 pm

Make sure that you have wireless-fp (fastpath) package enabled.

acidsas · Tue Feb 24, 2015 12:10 pm

Make sure that you have wireless-fp (fastpath) package enabled.

It's an AC device, so only wireless-fp is available.
P.S. Didn't pay attention before... Could the vlan on the bridge be the cause of disabled fast path?
@normis, anyone?

Tue Feb 24, 2015 12:16 pm

VLANs doesn't have Fast path support atm you are right.

acidsas · Wed Feb 25, 2015 10:09 pm

VLAN is the cause. Here is what support told me:

Hello,

Currently VLANs doesn't have fast-path support.
It is in our to do list, but currently the interest about this feature is low, so we
are busy implementing other more demanded features.

Your request is noted.

Regards,
Janis M.

We can close the topic.

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