Hi,

Im trying to configure MadWifi as an AP on laptop A and connecting a 
client from laptop B. Although the station B associates correctly, Im 
unable to even do a simple ping to the AP

Here is my configuration

Laptop A: Lenovo Thinkpad
Card: lshw -C network
        description: interface
        product: Atheros AR5001X+ Wireless Network Adapter
        vendor: Atheros Communications Inc.
        physical id: 0
        bus info: pci@0000:16:00.0
        logical name: wifi0
        version: 01
        serial: 00:0b:6b:20:40:dd
        width: 32 bits
        clock: 33MHz
        capabilities: bus_master cap_list logical
        configuration: broadcast=yes driver=ath_pci latency=96 
maxlatency=28 mingnt=10 multicast=yes
        resources: irq:16 memory:c4000000-c400ffff

Here is the script I used to create an AP
/*********
#!/bin/sh

sudo modprobe -r ath5k || true
sudo modprobe -r ath9k || true
sudo modprobe -r ath_pci || true
sudo modprobe ath_pci autocreate=none

sudo wlanconfig ath1 destroy || true
sudo wlanconfig ath1 create wlandev wifi0 wlanmode ap    # set up the AP
sudo iwpriv ath1 mode 3                    # 11g mode
sudo iwconfig ath1 essid "Aditya"      # essid
sudo iwconfig ath1 key off                # no wep
sudo iwconfig ath1 enc off                # no wep
sudo iwpriv ath1 wpa 0                    # no wpa

sudo ifconfig ath1 up
sleep 1
sudo ifconfig ath1 192.168.1.1 netmask 255.255.255.0

sudo sysctl -w dev.wifi0.diversity=0
sudo sysctl -w dev.wifi0.txantenna=1
sudo sysctl -w dev.wifi0.rxantenna=
************************/

Laptop B: Dell Inspiron
Card: description: Wireless interface
       product: AR928X Wireless Network Adapter (PCI-Express)
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:0c:00.0
       logical name: wifi0
       version: 01
       serial: 00:15:6d:84:35:8e
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list logical ethernet physical wireless
       configuration: broadcast=yes driver=ath_pci latency=0 
multicast=yes wireless=IEEE 802.11g
       resources: irq:19 memory:dfcf0000-dfcfffff

Here is the script I used to create a STA
/*************
#!/bin/sh

sudo modprobe -r ath5k || true
sudo modprobe -r ath9k || true
sudo modprobe -r ath_pci || true

sudo modprobe ath_pci autocreate=none
sudo wlanconfig ath1 destroy || true
sudo wlanconfig ath1 create wlandev wifi0 wlanmode sta
sudo iwpriv ath1 mode 3     # 11g
sudo iwconfig ath1 essid "Aditya"
sleep 1

sudo sysctl -w dev.wifi0.diversity=0
sudo sysctl -w dev.wifi0.txantenna=1
sudo sysctl -w dev.wifi0.rxantenna=1

***********************/

In NetworkManager, I configured so that address is obtained through DHCP 
whenever the STA connects to AP "Aditya"
Here is my dhcpd.conf file
/***************
option domain-name-servers 192.168.1.1;

default-lease-time 86400;
max-lease-time 604800;

authoritative;

# basic setup by ADITYA BHAVE
subnet 192.168.1.0 netmask 255.255.255.0 {
     range 192.168.1.10 192.168.1.20;
     option subnet-mask 255.255.255.0;
     option broadcast-address 192.168.1.255;
     option routers 192.168.1.1;
}
/*****************************/

Firstly, the STA is unable to obtain an address through DHCP.
I then manually gave the STA an address of 192.168.1.10, with a netmask 
of 255.255.255.0 and a gateway of 192.168.1.1. I even ran the following 
command
route add default gw 192.168.1.1

Inspite of both the above changes, a ping command fails
ayb@AD-DELL:~$ ping -I ath1 192.168.1.1
PING 192.168.1.1 (192.168.1.1) from 192.168.1.2 ath1: 56(84) bytes of data.
 From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
 From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
 From 192.168.1.2 icmp_seq=4 Destination Host Unreachable
 From 192.168.1.2 icmp_seq=5 Destination Host Unreachable
 From 192.168.1.2 icmp_seq=6 Destination Host Unreachable

Can someone please help to diagnose this problem?

Thanks
regards,
Aditya Bhave



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