Problem COnnecting AP from Mobile Node

Brian Sturgill zen_hacker at hotmail.com
Fri Sep 24 08:17:19 EDT 2004


Why don't you put everything on one subnet so you don't even have to worry 
about routing? Otherwise, you are going to have to set up a dhcp server on 
both subnets so the ip can change without having to set it manually when the 
client roams between AP's.


Brian



>From: "Yong Chu Eu (Ñî×ÓÓÓ)" <ceyong at yahoo.com>
>To: Jeff David <jdavid at amperion.com>, hostap at shmoo.com,bridge at osdl.org
>CC: jasonb at edseek.com, jt at hpl.hp.com, linux-help at houseofcraig.net
>Subject: RE: Problem COnnecting AP from Mobile Node
>Date: Thu, 23 Sep 2004 22:23:43 -0700 (PDT)
>
>Thanks for kindly advice,Another question:
>
>since i have 2 AP,how do i set the routing(static) between 2 AP if the
>mobile node roaming between this 2 AP?
>
>Any idea?
>
>
>--- Jeff David <jdavid at amperion.com> wrote:
>
> > Your client's IP Address is wrong.  The client should be on the same
> > subnet as the Access Point.  Any routing must occur on the Access Point
> > node, not on the client.  So if you want to connect the MN to
> > 192.168.3.4, it must have a 192.168.3.x ip address.
> >
> > Jeff
> >
> >
> > > -----Original Message-----
> > > From: Yong Chu Eu (Ñî×ÓÓÓ) [mailto:ceyong at yahoo.com]
> > > Sent: Thursday, September 23, 2004 8:55 AM
> > > To: hostap at shmoo.com; bridge at osdl.org
> > > Cc: jasonb at edseek.com; jt at hpl.hp.com; linux-help at houseofcraig.net
> > > Subject: Problem COnnecting AP from Mobile Node
> > >
> > >
> > >
> > > 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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> > >
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> > >
> > >
> > >
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>
>=====
>Ô¸ÄúÓÀÔ¶ÐÒ¸££¬¿ìÀֺͰ²Ïê Happy & Healthy Always ! ^_^ !
>¸öÈËÍøÒ³ Homepage:http://planet.time.net.my/sunwaycity/ceyong
>¸öÈË·ðѧÍøÒ³ Buddhist Page: 
>http://planet.time.net.my/SunwayCity/ceyong/artikel.htm
>ICQ:16994867/ Yahoo Messenger ID:ceyong /MSN Messenger:ceyong at 
>hotmail.com
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>
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