Problem COnnecting AP from Mobile Node

Yong Chu Eu (Ñî×ÓÓÓ) ceyong at yahoo.com
Thu Sep 23 08:55:05 EDT 2004


I am having problem in ping or connect AP from Mobile Node(essid & channel
is the same,maybe routing did 
not set properly but i fail to configure with route add default gw
192.168.3.4,its alway said 
network is unreachable ),My Mobile Node is using acx100 as driver while
AP(redhat 9.0) is using
HOSTAP 0.1.3.Any one can help? I heard How-To said we not need to set
address on eth0 & wlan0 if
we have bridge(with address)but will MN connect straight with bridge that
i set? 

My mobile node setting:
[root at localhost scripts]# iwconfig
lo        no wireless extensions.

sit0      no wireless extensions.

eth0      no wireless extensions.

ip6tnl0   no wireless extensions.

mip6mnha  no wireless extensions.

wlan0     IEEE 802.11b+  ESSID:"mipv6b"  Nickname:"acx100 v0.2.0pre8"
          Mode:Managed  Channel:1  Access Point: 00:01:03:88:62:96
          Bit Rate=11Mb/s   Tx-Power:18 dBm   Sensitivity=176/255
          Retry min limit:7   RTS thr:off
          Encryption key:off
          Power Management:off
          Link Quality:69/100  Signal level:57/100  Noise level:0/100
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

root at localhost scripts]# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:D0:59:80:0C:2E
          inet addr:172.16.76.56  Bcast:172.16.76.255  Mask:255.255.255.0
          inet6 addr: fe80::2d0:59ff:fe80:c2e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3832 errors:0 dropped:0 overruns:0 frame:0
          TX packets:36 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:252364 (246.4 Kb)  TX bytes:3140 (3.0 Kb)
          Interrupt:11 Base address:0x1400 Memory:f4020000-f4020038

lo        Link encap:Local Loopback
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:19 errors:0 dropped:0 overruns:0 frame:0
          TX packets:19 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:5256 (5.1 Kb)  TX bytes:5256 (5.1 Kb)

mip6mnha1 Link encap:UNSPEC  HWaddr
00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet6 addr: 3ffe:80d0:ff03:4::1/64 Scope:Global
          UP RUNNING NOARP  MTU:1460  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:8 dropped:8 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

wlan0     Link encap:Ethernet  HWaddr 00:0F:3D:46:A6:25
          inet addr:192.168.4.1  Bcast:192.168.4.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:576  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:6 errors:1 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:1968 (1.9 Kb)  TX bytes:2052 (2.0 Kb)
          Interrupt:11 Base address:0x4000



My Redhat AP Setting

[root at localhost root]# iwconfig
lo        no wireless extensions.

sit0      no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11b  ESSID:"mipv6b"  Nickname:"localhost.localdomain"
          Mode:Master  Frequency:2.412GHz  Access Point: 00:01:03:88:62:96
          Bit Rate=11Mb/s   Tx-Power:150 dBm   Sensitivity=1/3
          Retry limit:8   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality:0  Signal level:0  Noise level:0
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:46   Missed beacon:0

br0       no wireless extensions.

[root at localhost root]# ifconfig
br0       Link encap:Ethernet  HWaddr 00:01:03:88:62:96
          inet addr:192.168.3.3  Bcast:192.168.3.255  Mask:255.255.255.0
          inet6 addr: fe80::201:3ff:fe88:6296/64 Scope:Link
          inet6 addr: 3ffe:80d0:ff03:3::3/0 Scope:Global
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:15 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:1050 (1.0 Kb)

eth0      Link encap:Ethernet  HWaddr 00:50:BA:5F:61:56
          inet addr:192.168.3.2  Bcast:192.168.3.255  Mask:255.255.255.0
          inet6 addr: 3ffe:80d0:ff03:3::2/64 Scope:Global
          inet6 addr: fe80::250:baff:fe5f:6156/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:19 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:0 (0.0 b)  TX bytes:1458 (1.4 Kb)
          Interrupt:9 Base address:0xd000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:232 errors:0 dropped:0 overruns:0 frame:0
          TX packets:232 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:12792 (12.4 Kb)  TX bytes:12792 (12.4 Kb)

wlan0     Link encap:Ethernet  HWaddr 00:01:03:88:62:96
          inet addr:192.168.3.4  Bcast:192.168.3.255  Mask:255.255.255.0
          inet6 addr: fe80::201:3ff:fe88:6296/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100
          RX bytes:0 (0.0 b)  TX bytes:1212 (1.1 Kb)
          Interrupt:9 Base address:0xd400


Wireless testBed is almost like below:
 

                                         |
                                     192.168.1.1
                                 3ffe:80f0:ff03:1::1
                                        fxp0
                            FreeBSD 4.10 Router(Vls Server 0.5.6)
                            vr0                   rl0
                       192.168.2.1            192.168.3.1
                     3ffe:80f0:ff03:2::1      3ffe:80f0:ff03:3::1
                             |                     |
                             |                     |
                             |                     |
                           eth0                  eth0
                   3ffe:80f0:ff03:2::2      3ffe:80f0:ff03:3::2
                       192.168.2.2            192.168.3.2
                   Linux PC Access Point      Linux PC Access Point
                      (HOSTAP 0.13)          (HOSTAP 0.13)
                             |                     |
                             |                     |
                            br0                   br0
                        192.168.2.3            192.168.3.3
                   3ffe:80f0:ff03:2::3      3ffe:80f0:ff03:3::3  
                             |                     |                      
    
                             |                     |
                          wlan0                 wlan0
                        192.168.2.4            192.168.3.4
                       essid:mipv6a           essid:mipv6b


                          ----
                         | MN |
                          ----   
                Roaming notebook (VLC player 0.7.2)
              Linux Kernel 2.4.22 with MIPL 1.0
            (Dlink Wireless  Card with acx100 driver)
           192.168.4.1(Home address 3ffe:80d0:ff03:4::1)



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