Dear Thomas, Please find in atachment 3 file capture. Computer.pcap : This capture show the ICMP request sent by the computer. The MAC address destination is unicast. Mp2_to_mp1.pcap : this capture show the ICMP request (frame 33) from MP2 to MP1 in mesh network. The MAC address destination is broadcast Mp1.pcap : this capture show the ICMP request message received on MP1 WLAN0 interface. The MAC address destination is broadcast Thanks for your help. -----Message d'origine----- De : linux-wireless-owner@xxxxxxxxxxxxxxx [mailto:linux-wireless-owner@xxxxxxxxxxxxxxx] De la part de Thomas Pedersen Envoyé : mardi 14 août 2012 21:13 À : Cedric VONCKEN Cc : linux-wireless@xxxxxxxxxxxxxxx Objet : Re: Mesh addressing issue Hi Cedric, On Tue, Aug 14, 2012 at 9:25 AM, Cedric VONCKEN <cedric.voncken@xxxxxxxxx> wrote: > I think I found an issue in mesh addressing. > I used the compat-2012-06-14. > > My network topology for the test is : > ----------------- ------------------- Wired LAN ----------------- > |MP1 | |MP2 |------------------| Computer | > |192.168.4.1| |192.168.4.253| |192.168.4.90 | > ----------------- ------------------- --------------- > > The MP1 is not bridged with any wired interface (The ip address is set > directly on WLAN0 interface) The MP2 is bridged with eth0 to offer link with a wired network (My computer is connected with the wired network). > > If I try to ping from Computer to MP1. > The ICMP request sent on WiFi (from MP2 to MP1) is a broadcast frame using a strange address format (3 address in 802.11 header + 1 address in mesh extension) . > The ICMP reply sent on wifi (from MP1 to MP2) is unicast frame using 6 addresses format. > > Why the ICMP request is sent with address 1 set to broadcast (It was not the case for older compat-2011-08-25)? > > If in MP1 I move the WLAN0 to a bridge with brctl (with no other > interface), ICMP request are still sent with broadcast, But If I > change the mac address of bridge interface, the ICMP request is now sent in unicast format (using the 6 addresses formats) ! Based on the information you've provided, none of this immediately sounds wrong. Can you please link to a capture file we can investigate? Thanks, Thomas -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
Attachment:
mp1.pcap
Description: Binary data
Attachment:
mp2_to_mp1.pcapng
Description: Binary data
Attachment:
computer.pcap
Description: Binary data
