OpenWrt/LEDE Project

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  • Task Type Bug Report
  • Category Base system
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  • Severity High
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Attached to Project: OpenWrt/LEDE Project
Opened by Rod Egan - 15.05.2019

FS#2286 - ath79 client mode fails when bridged

When client mode (plain client or WDS client) is bridged with a local interface on (so far) wr842v1/3 and archer c7 v5 the wifi link fails with the following log entries on the associated AP.

Thu May  9 14:13:17 2019 daemon.notice hostapd: ap1: WDS-STA-INTERFACE-ADDED ifname=ap1.sta1 sta_addr=b0:be:76:e9:d4:47
Thu May  9 14:13:17 2019 kern.info kernel: [11074.049392] br-lan: port 4(ap1.sta1) entered blocking state
Thu May  9 14:13:17 2019 kern.info kernel: [11074.055244] br-lan: port 4(ap1.sta1) entered listening state
Thu May  9 14:13:19 2019 kern.info kernel: [11076.132112] br-lan: port 4(ap1.sta1) entered learning state
Thu May  9 14:13:21 2019 kern.info kernel: [11078.211994] br-lan: port 4(ap1.sta1) entered forwarding state
Thu May  9 14:13:21 2019 kern.info kernel: [11078.217946] br-lan: topology change detected, propagating
Thu May  9 14:13:26 2019 daemon.info hostapd: ap1: STA b0:be:76:e9:d4:47 IEEE 802.11: deauthenticated due to local deauth request
Thu May  9 14:13:26 2019 kern.info kernel: [11082.850945] device ap1.sta1 left promiscuous mode
Thu May  9 14:13:26 2019 kern.info kernel: [11082.856048] br-lan: port 4(ap1.sta1) entered disabled state
Thu May  9 14:13:26 2019 daemon.err hostapd: nl80211: NL80211_ATTR_STA_VLAN (addr=b0:be:76:e9:d4:47 ifname=ap1 **vlan_id=0**) failed: -2 (No such file or directory)
Thu May  9 14:13:26 2019 daemon.notice hostapd: ap1: WDS-STA-INTERFACE-REMOVED ifname=ap1.sta1 sta_addr=b0:be:76:e9:d4:47

If the client isn’t bridged then the connection is as expected.

Tried this on Truck last thursday 9th May (WST) and on OpenWrt SNAPSHOT r9992-86fd8cb with the same result.

 

Thread on forum discusses this further. External Link

Ben commented on 16.05.2019 21:56

I think I ran into the same bug with a ramips (Netgear EX2700) device that is used as a simple wifi to ethernet bridge (with the wifi interface in 4addr mode). The device was unable to connect to its AP after being updated to a recent master build (having worked just fine on a previous build). I tracked the problem down to the kernel 4.14.114 bump and have since tested PR#2048 from the openwrt github repo. This has resolved the problem, so if it is indeed the same bug, that PR may be a suitable fix. :)

Rod Egan commented on 20.05.2019 11:46

I'm struggling to see that we're the only users to have noticed this issue.

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