Hello again! First of all thank's Sven Eckelmann and Guido Iribarren for your replies and for the attention in my issue. I would like to say that i already found the solution, as you can see below. I couldn't split the radios on the wireless network, because i'm using only chips broadcom (and it isn't possible to have more than 1 radio interface). When i said that i only need a simple two router network, doesn't mean that i only going to use 2 routers... the gold is to use many of them in a mesh network, but i needed to start with a simple 2 mesh configuration router configuration. After some configuration, it worked correctly in ad-hoc mode... and to the clients access the mesh through wireless i´m going to use another router linked by cable (ethernet) using lan ports, with dd-wrt firmware (or something like that) as a AP -access point (only used to forward the signal to wireless). By cable it isn't necessary an access point, only plug the cable in batman-adv node. I'm using backfire (openwrt build): cat /home/pedro/backfire/feeds/packages/net/batman-adv/Makefile | grep 2012# Copyright (C) 2010-2012 OpenWrt.orgPKG_VERSION:=2012.0.0BATCTL_VERSION:=2012.0.0 The batman-adv-devel version didn't work...: In the:https://dev.openwrt.org/wiki/GetSource downloaded: svn co svn://svn.openwrt.org/openwrt/trunk/ with this feed in feeds.conf.default:src-svn batman http://downloads.open-mesh.org/svn/openwrt-feed/

(i know this is a issue related with openwrt, but i must explain how i did) this is the version of the batman-adv-devel:cat /home/pedro/trunk/feeds/packages/net/batman-adv/Makefile | grep 2012PKG_VERSION:=2012.1.0BATCTL_VERSION:=2012.1.0 root@OpenWrt:~# batctl -vbatctl 54b7d54 [batman-adv: master-b0f3829] the error was using the same configurations file (below) that worked with batman-adv backfire stable release: root@OpenWrt:/lib/batman-adv# batman-adv start/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/orig_interval: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/log_level: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/bonding: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/fragmentation: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/gw_bandwidth: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/gw_mode: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/vis_mode: nonexistent directory/usr/sbin/batman-adv: eval: line 1: can't create /sys/class/net/bat0/mesh/ap_isolation: nonexistent directory

I tryed to analyze if the problem was with the  "crc16" lib in the configuration files, but it wasn't... the configuration files were like the backfire stable release... pedro@rodrigues:~/trunk/feeds/packages/net/batman-adv/files/lib/batman-adv$ vi config.sh  #!/bin/sh bat_load_module(){        [ -d "/sys/module/batman_adv/" ] && return         . /etc/functions.sh        load_modules /etc/modules.d/*-crc16 /etc/modules.d/*-batman-adv*} etc.......... This is a issue to analyze...

Going back to the stable release that worked fine: this is the server file of batman-adv configuration(with # comment is the client version modifications): root@OpenWrt:/etc/config# vi batman-advconfig 'mesh' 'bat0'        option 'interfaces' 'wifi'        option 'aggregated_ogms' '1'        option 'ap_isolation' '0'        option 'bonding' '0'        option 'fragmentation' '1'        option 'gw_bandwidth' '5mbit/1024kbit' #comented line in client mode        option 'gw_mode' 'server'              #'client'        #option 'gw_sel_class'                 #option 'gw_sel_class' '2'         option 'log_level' 'all'        option 'orig_interval' '1000'        option 'vis_mode' 'server'             #option 'vis_mode' 'client' ------------------------------------ this is the dhcp configuration: root@OpenWrt:/etc/config# vi dhcpconfig dnsmasq        option domainneeded     1        option boguspriv        1        option filterwin2k      0  # enable for dial on demand        option localise_queries 1        option rebind_protection 1  # disable if upstream must serve RFC1918 addresses        option rebind_localhost 1  # enable for RBL checking and similar services        #list rebind_domain example.lan  # whitelist RFC1918 responses for domains        option local    '/lan/'        option domain   'lan'        option expandhosts      1        option nonegcache       0        option authoritative    1        option readethers       1        option leasefile        '/tmp/dhcp.leases'        option resolvfile       '/tmp/resolv.conf.auto'        #list server            '/mycompany.local/1.2.3.4'        #option nonwildcard     1        #list interface         br-lan        #list notinterface      lo        #list bogusnxdomain     '64.94.110.11' config dhcp lan        option interface        lan        option start    51        option limit    70        #option leasetime       12h option force 1   #this line is only for server router, the                             #one who is going to distribute the IP's to the clients  config dhcp wan        option interface        wan        option ignore   1 ____________________________________

this is the network file configuration:

root@OpenWrt:/etc/config# vi network#### VLAN configurationconfig switch eth0        option enable   1 config switch_vlan eth0_0        option device   "eth0"        option vlan     0        option ports    "1 2 3 4 5" config switch_vlan eth0_1        option device   "eth0"        option vlan     1        option ports    "0 5"                    #### Loopback configurationconfig interface loopback        option ifname   "lo"        option proto    static        option ipaddr   127.0.0.1        option netmask  255.0.0.0

#### LAN configurationconfig interface lan        option type     bridge        option ifname   "eth0.0 bat0 wlan0"        option proto    static        option ipaddr   10.3.1.1                #10.3.1.X for other routers        option netmask  255.255.255.0        option broadcast 10.3.1.255        option mtu      1500 #### WLAN configurationconfig interface        wifi        option proto    none        option ifname   "wlan0"        #option ipaddr   10.1.1.1        #option netmask  255.255.255.0        option mtu      1528 #### WAN configuration                config interface        wan                   option ifname   "eth0.1"              option proto    dhcp

________________________________- this is the wireless file configuration: root@OpenWrt:/etc/config# vi wirelessconfig wifi-device  radio0        option type     mac80211        option channel  6        option phy      phy0        option hwmode   11g        option country  PT        option txpower  20        option disabled 0

config wifi-iface        option device   radio0        option network  wifi        option mode     adhoc        option ssid     PR        option bssid XX:XX:XX:XX:XX:XX   #the bssid must be the same in all routers        option encryption none

______________________________________-

all these configuration files are located in "/etc/config".

As you can see the mesh interface is the wireless "wifi":the bat0 interface it appears only in the lan bridge;and it worked fine. root@OpenWrt:/etc/config# batctl if     wlan0: active root@OpenWrt:/etc/config# batctl o [B.A.T.M.A.N. adv 2012.0.0, MainIF/MAC: wlan0/00:13:10:7c:da:73 (bat0)]  Originator      last-seen (#/255)           Nexthop [outgoingIF]:   Potential nexthops ...00:06:25:00:63:7b    0.228s   (246) 00:06:25:00:63:7b [     wlan0]: 00:06:25:00:63:7b (246) root@OpenWrt:/etc/config# batctl vd dotdigraph { "00:13:10:7c:da:73" -> "00:06:25:00:63:7b" [label="1.000"] "00:13:10:7c:da:73" -> "76:0f:22:e4:5f:d8" [label="TT"] subgraph "cluster_00:13:10:7c:da:73" { "00:13:10:7c:da:73" [peripheries=2] } "00:06:25:00:63:7b" -> "00:13:10:7c:da:73" [label="1.214"] "00:06:25:00:63:7b" -> "56:71:dc:31:13:2c" [label="TT"] subgraph "cluster_00:06:25:00:63:7b" { "00:06:25:00:63:7b" [peripheries=2] }} using the xdot ubuntu application it made the figure (.png) that shows the batman-adv mesh picture.

The only thing that didn't start with the boot of the routers was the:-option 'gw_bandwidth' '5mbit/1024kbit'-option 'gw_mode' 'server'-option 'vis_mode' 'server' it was necessary to start manually... the rest worked weel in the boot.Just one thing before i forget... the router "server" must be the first one to start (switch on)... we must wait until it finish the boot and then we can start the client router...(the problem is probably the definition who is the master -IP distribution and so on...)(i used the "option force 1 in the dhcp configuration file, but didn't worked...) if we start the client first it will not be possible to access the internet, supposed the ISP is connected with the "server" router... the ad-hoc mode and the mesh network works the same way (works fine)... is a issue to study (yes i know that is a openwrt problem, and there are a bunch of openwrt problems here).My gold is to contribute with something here, and to get my job done as well. For now i stay here, and thank you for your lights and publications, they helped me a lot!! Best regards,Pedro Rodrigues - Portugal