ndis0 dhcp question

Benjamin Thelen bt at ccgis.de
Mon Jun 27 10:12:03 GMT 2005

Bryan Maynard wrote:
> Hello all! :-D
> I have a Linksys WPC11 ver.4 wireless NIC. I got it setup using ndisgen (very
> cool tool by the way). Now when kldload /root/rtl8180_sys.ko (the location of
> my wireless kernel object) dmesg shows this:
> ndis0: <Realtek RTL8180 Wireless LAN (Mini-)PCI NIC> port 0x1000-0x10ff mem 0x88
> 000000-0x880001ff irq 11 at device 0.0 on cardbus1
> ndis0: NDIS API version: 5.1
> ndis0: Ethernet address: 00:0f:66:cf:10:7e
> ndis0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
> and when I run ifconfig -a I get this:
> ::My onboard ethernet NIC
>         options=9<RXCSUM,VLAN_MTU>
>         inet6 fe80::204:76ff:fe48:9301%xl0 prefixlen 64 scopeid 0x1
>         inet netmask 0xffffff00 broadcast
>         ether 00:04:76:48:93:01
>         media: Ethernet autoselect (100baseTX <full-duplex>)
>         status: active
> ::I don't know what this is. . .
> plip0: flags=108810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
> ::Loopback device
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
>         inet netmask 0xff000000
>         inet6 ::1 prefixlen 128
>         inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> ::My Linksys WPC11 ver.4
> ndis0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
>         ether 00:0f:66:cf:10:7e
>         media: IEEE 802.11 Wireless Ethernet autoselect
>         status: no carrier
>         ssid ""
>         channel -1 authmode OPEN powersavemode OFF powersavesleep 100
>         rtsthreshold 2312 protmode CTS
>         wepmode OFF weptxkey 1
> I have several questions, but I'll ask them one at a time. . .
> I have a Linksys WRT54G Wireless Router. Currently my onboard NIC is what I use
> to access the net and stuff. How do I assign an IP address - and any other
> needed parameters - to my wireless NIC, activate it, and use it instead of (or
> along with) my onboard ethernet NIC?
> I know about using ifconfig <interface name> blah blah blah, but what paramaters
> do I pass and where do I get them?
> Thanks,
> Bryan

Hi Bryan,

something like this:

ifconfig ndis0 <IP-Adresse> <Subnetzmaske> ssid <ssid> wepmode on wepkey 

I alway had to issue this command-line twice - don't know why.

To automate this on boot-time using dhcp, there is /etc/dhclient.conf, 
where you have to add the parameters like ssid, wepmode and wepkey. I 
didn't try this yet.

I haven't been able to use my ndis-card with dhcp (issuing "killall 
dhclient" && "dhclient ndis0" by hand), while my ath-card at least got a 
"dhcp-address" once :-).


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