-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 A wild guess, but with bridge_loop_avoidance and network_coding enabled, maybe you hit a bug. I would suggest to test with the default settings and see if that works?
- - mwarning On 09/27/2014 01:55 PM, Nishant Sharma wrote: > Hi, > > We have a batman-adv mesh network with 10 nodes (4 gateways) running on > Attitude Adjustment in a large warehouse (100,000 sq. ft.). > > The problem occurs during peak hours when around 60 clients (laptops + > desktops) are connected, network slows down or grinds to a halt and > latency hits the roof. Ping starts dropping within LAN. > > The problem occurs during the peak hours when all the stations are > connected and even if we plug two computers directly to the core switch > we get high latency and ping drops. > > Main applications used on the network are Windows File Share, RDP and > browsing. > > Hardware used is ALIX2 with Atheros cards (Wistron DNMA92 - AR922x > chipset) using ath9k module. > > Following are the relevant configurations: > > batman-adv: > config 'mesh' 'bat0' > option 'interfaces' 'adhoc0' > option 'aggregated_ogms' '1' > option 'ap_isolation' '0' > option 'fragmentation' '0' > option 'log_level' '7' > option 'orig_interval' '5000' > option 'bridge_loop_avoidance' '1' > option 'distributed_arp_table' '1' > option 'network_coding' '1' > option 'gw_mode' 'server' > option 'gw_bandwidth' '100mbit/100mbit' > option 'bonding' '1' > > network: > _snip_ > config interface 'wan' > list ifname 'eth1' > list ifname 'bat0' > list ifname 'wlan0' > option proto 'dhcp' > option type 'bridge' > option hostname 'hopmesh-HB000DB9303058' > > config interface 'mesh' > option mesh 'bat0' > option proto 'batadv' > option mtu '1546' > > wireless: > config wifi-device radio0 > option type mac80211 > option channel 6 > option hwmode 11ng > option path 'pci0000:00/0000:00:0c.0' > option htmode HT20 > list ht_capab SHORT-GI-40 > list ht_capab TX-STBC > list ht_capab RX-STBC1 > list ht_capab DSSS_CCK-40 > # REMOVE THIS LINE TO ENABLE WIFI: > option disabled 0 > option country 'US' > option txpower '27' > > config wifi-device radio1 > option type mac80211 > option channel 165 > option hwmode 11ng > option path 'pci0000:00/0000:00:0e.0' > option htmode HT40- > list ht_capab SHORT-GI-40 > list ht_capab TX-STBC > list ht_capab RX-STBC1 > list ht_capab DSSS_CCK-40 > # REMOVE THIS LINE TO ENABLE WIFI: > option disabled 0 > option country 'US' > option txpower '27' > > config wifi-iface 'wlan0' > option device radio0 > option ifname wlan0 > option network wan > option mode ap > option ssid blahssid > option encryption 'psk2+tkip+ccmp' > option key 'blahblah' > > config wifi-iface 'wmesh' > option device 'radio1' > option ifname 'adhoc0' > option network 'mesh' > option mode 'adhoc' > option ssid 'blahssid' > option bssid 'AE:XX:B2:90:XX:XX' > option key '1' > option key1 's:blahkey' > > > We have bridged "wan" with "bat0" so that stations could get IP from our > main DHCP server for the network. > > Could it be the ARP or OGM messages flooding the network which chokes > the backhaul? > > Any pointers would be much appreciated. I would be visiting the > warehouse again tomorrow. > > Thanks & regards, > Nishant > _______________________________________________ > openwrt-users mailing list > [email protected] > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Icedove - http://www.enigmail.net/ iQEcBAEBCAAGBQJUJq2yAAoJECHrh56PP4wp9JkIAIvUonMAgXoSYsYS7yrVnABR KG0CNGdcoOfaniRJClLmxR5SW4Ydh+RGT6sK2AsOIqxMWT/dwasq7xW/SV25kEH4 ygsmQo6VNlDI8obLNSxiHRBD3cA44MrzGj5m+ATC3nmVBcc7MQgXWUbKhdgcysk7 MMbYeQGfk+CbP98ZZPCWpjk3XwlInX7PZQYmfs3U2CntYj/BPhSXDgO29ZXq0pUl B7+SYEwjsV6MVCg0VLm4HKgr6a8EF9/tM2pipTBnEUaSM0aaoLuxZpGd3QT1UN36 w1EHpbVTVFcNZLpE0f7zmW037xkj5RhuQUYaNLqgojYDexz/GbV81CenseQILOw= =NVNo -----END PGP SIGNATURE----- _______________________________________________ openwrt-users mailing list [email protected] https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-users
