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FS#1625 - ARP broadcasts stop working reliably after a time #6555

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openwrt-bot opened this issue Jul 1, 2018 · 2 comments
Open

FS#1625 - ARP broadcasts stop working reliably after a time #6555

openwrt-bot opened this issue Jul 1, 2018 · 2 comments
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@openwrt-bot
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mash2895:

Tracked this one down with Wireshark as my Bose Soundtouch 20 speakers would stop playing from the media library (on a wired Win10 PC) after a random period. Only noticed as it's BBQ season and we're using the speakers more.

My AP config is very simple with the 2.4 and 5 Ghz radios bridges with the LAN and the AP getting an address via DHCP, very vanilla.

When the problem kicks in I cleared the ARP table on the router and the speaker couldn't be found by ARP requests. Reboot of the AP resolves this and an issue with the Android app not able to find the speakers / media library.

Currently I've got a cron job running on a Raspberry Pi in my loft to logon to the AP and reboot it every 3 hours, not sure if it's necessary to do so often but just want this fixed.

I'm a Cisco techy by trade so if you need any assistance just let me know, loving your work!

Supply the following if possible:

  • Device problem occurs on: Meraki MR24
  • Reboot (17.01.4, r3560-79f57e422d)
  • Seems to reoccur within 24 hours

BusyBox v1.25.1 () built-in shell (ash)

 _________
/        /\      _    ___ ___  ___

/ LE / \ | | | | | |
/ DE / \ | || _|| |) | _|
/
_/ LE \ |||/|| lede-project.org
\ \ DE /
\ LE \ / -----------------------------------------------------------
\ DE \ / Reboot (17.01.4, r3560-79f57e422d)
________/ -----------------------------------------------------------

@openwrt-bot
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mash2895:

This has already been raised in another post, just testing this:

/sys/devices/virtual/net/br-lan/brif/wlan0/brport/hairpin_mode from 1 to 0

@openwrt-bot
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mash2895:

Fixed it by moving to:
OpenWrt 18.06.1 r7258-5eb055306f / LuCI openwrt-18.06 branch (git-18.228.31946-f64b152)

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