Fonera becomes unstable when connecting Grandstream Handytone 486

[reg_fonosfera@…]

When connecting a "Grandstream Handytone 486" SIP-adapter to the LAN ports of the fonera 2.0n, the system becomes unresponsive:

- pings to fonera's IP are get no response - clients can no longer establish new connections to WAN - no traffic between LAN-WAN anymore

The outage shows a certain periodicity; periods where the fonera can be pinged alternate with periods where there is no answer (period of some 30s).

The behaviour can be reproduced reliably.

Said SIP-Adapter is and has been working properly for more than a year when connected to other routers.

Test System: Fonera 2.0n with 2.3.0.0-DEV Redirected syslog to 192.168.4.43 (laptop connected to a LAN port, ip statically assigned)

After connecting the SIP-Adapter, the syslog shows (excerpt):

Jan 26 23:56:28 registerlafonera.fon.com dnsmasq[1991]: DHCPDISCOVER(br-lan) 0.0.0.0 ----mac-hidden----  
Jan 26 23:56:28 registerlafonera.fon.com dnsmasq[1991]: DHCPOFFER(br-lan) 192.168.4.20 ----mac-hidden----  
Jan 26 23:56:28 registerlafonera.fon.com dnsmasq[1991]: DHCPREQUEST(br-lan) 192.168.4.20 ----mac-hidden----  
Jan 26 23:56:28 registerlafonera.fon.com dnsmasq[1991]: DHCPACK(br-lan) 192.168.4.20 ----mac-hidden---- grandstream 
Jan 26 23:57:46 registerlafonera.fon.com : ifconfig: SIOCGIFFLAGS: No such device 
Jan 26 23:57:46 registerlafonera.fon.com : rt3052(rt3052): disable failed 
Jan 26 23:57:46 registerlafonera.fon.com : ifconfig: down: error fetching interface information: Device not found 
Jan 26 23:57:46 registerlafonera.fon.com : ifconfig: down: error fetching interface information: Device not found 
Jan 26 23:57:46 registerlafonera.fon.com : ....... wlan_private 
Jan 26 23:57:46 registerlafonera.fon.com kernel: RX DESC a3527000  size = 2048 
Jan 26 23:57:46 registerlafonera.fon.com kernel: <-- RTMPAllocTxRxRingMemory, Status=0 
Jan 26 23:57:46 registerlafonera.fon.com kernel: 1. Phy Mode = 9 
Jan 26 23:57:46 registerlafonera.fon.com kernel: 2. Phy Mode = 9 
Jan 26 23:57:46 registerlafonera.fon.com kernel: 3. Phy Mode = 9 
Jan 26 23:57:46 registerlafonera.fon.com kernel: RTMPSetPhyMode: channel is out of range, use first channel=0  
Jan 26 23:57:46 registerlafonera.fon.com kernel: MCS Set = ff ff 00 00 01 
Jan 26 23:57:46 registerlafonera.fon.com kernel: SYNC - BBP R4 to 20MHz.l 
Jan 26 23:57:46 registerlafonera.fon.com upnp firewall: removing wan interface 
Jan 26 23:57:46 registerlafonera.fon.com : killall: ez-ipupdate: no process killed 
Jan 26 23:57:46 registerlafonera.fon.com kernel: Main bssid = 00:18:84:88:14:f2 
Jan 26 23:57:46 registerlafonera.fon.com kernel: <==== rt28xx_init, Status=0 
Jan 26 23:57:46 registerlafonera.fon.com kernel: 0x1300 = 00064380 
Jan 26 23:57:46 registerlafonera.fon.com : iptables: No chain/target/match by that name 
Jan 26 23:57:46 registerlafonera.fon.com last message repeated 5 times
Jan 26 23:57:46 registerlafonera.fon.com kernel: device ra0 entered promiscuous mode 
Jan 26 23:57:46 registerlafonera.fon.com kernel: br-lan: port 2(ra0) entering learning state 
Jan 26 23:57:46 registerlafonera.fon.com kernel: br-lan: topology change detected, propagating 
Jan 26 23:57:46 registerlafonera.fon.com kernel: br-lan: port 2(ra0) entering forwarding state 
Jan 26 23:57:46 registerlafonera.fon.com : ....... off 
Jan 26 23:57:46 registerlafonera.fon.com : ifconfig ra1 down 
Jan 26 23:57:46 registerlafonera.fon.com : Loading defaults 
Jan 26 23:57:46 registerlafonera.fon.com : Loading zones 
Jan 26 23:57:46 registerlafonera.fon.com : iptables: Chain already exists 
Jan 26 23:57:46 registerlafonera.fon.com last message repeated 2 times
Jan 26 23:57:46 registerlafonera.fon.com : Loading rules 
Jan 26 23:57:46 registerlafonera.fon.com : Loading forwarding 
Jan 26 23:57:46 registerlafonera.fon.com : Loading redirects 
Jan 26 23:57:46 registerlafonera.fon.com : Loading includes 
Jan 26 23:57:46 registerlafonera.fon.com :    /etc/firewall.fon 
Jan 26 23:57:46 registerlafonera.fon.com :    FWallFON 
Jan 26 23:57:46 registerlafonera.fon.com :    FWallDaemon 
Jan 26 23:57:46 registerlafonera.fon.com : killall: chilli: no process killed 
Jan 26 23:57:46 registerlafonera.fon.com root: adding br-lan to firewall zone lan 
Jan 26 23:57:46 registerlafonera.fon.com root: adding eth0.2 to firewall zone wan 
Jan 26 23:57:46 registerlafonera.fon.com root: adding tun-ovpn to firewall zone vpn 
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[matthijs]

This seems a duplicate of #594.

Could you please test this in the latest firmware (2.3.6.0, Gari) and report your results at http://trac.fonosfera.org/fon-ng/ticket/594 ?