Hi! Some general question + Wifi USB Realtek RTL8191S

[fvdw]

Interesting :-D

this is not what I see on my rt73 dongle

see this post there it gets the right mac right away in my router. I think I will buy such rtl8191s dongle :dry

no idea on this moment what could be a cure for this

which port scanner did you use

[matzi]

I used nmap + zenmap gui v6.4 on a win7 pc

[matzi]

Did you scan your device with zenmap?

[matzi]

Happy new year to all forum members!

Please fvdw, I don't want to push but there is still this open question if you find the same result by scanning your nas with zenmap?
Maybe if you do not have this behavior I am just going to by another wifi dongle. What is your model?

[fvdw]

Hi matzi

did not look at this anymore, sorry, my model is a sitecom WLA-2100 usb micro adapter

When I have time i will do the scan

[fvdw]

I did the nmap scan and indeed the mac address of the ip assigned to eth0 is same as wan0, but it was the sitecom wlan adapter mac address.
Also is the wlan adapter seen in the router
(all this after getting ip with udhcp)
When looking into ifconfig and bringing eth0 down I still can connect to the nas, the RX and TX packages number increases.
I also can make connection to the wireless ip after disconnecting the LAN cable. Also with eth0 kept up
Of course in nmap the ip assigned to eth0 is gone
This test I have done on a 5big2

[matzi]

That's interesting.
Can you boot your 5big2 with no LAN connection and have wlan access then?
Is it possible to check the same situation on a nwsp2? My intention is to have that one in wireless operation only.

[fvdw]

I will do a test with a nwsp2

[fvdw]

no time yet to get another nwsp2 connected but I tried it on the 5big2, it works ok (a boot with no LAN cable and only the wlan adapter in the usb port
I used these commands at boot

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modprobe 8712u
ifconfig wlan0 up
wpa_supplicant -i wlan0 -c /etc/wpa_supplicant/wpa_supplicant.conf -B
udhcpc -b -i wlan0 -q -s /etc/simple.script

(so I did not even bring down eth0)

It gets an ip by the dhcp server and it appears in the network, also samba server etc are accessible

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root@fvdwsl-5big2:/ # ifconfig
eth0      Link encap:Ethernet  HWaddr 00:D0:xxxxxxxxxxx
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:11

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:65536  Metric:1
          RX packets:42 errors:0 dropped:0 overruns:0 frame:0
          TX packets:42 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3276 (3.1 KiB)  TX bytes:3276 (3.1 KiB)

wlan0     Link encap:Ethernet  HWaddr 64:D1:xxxxxxxxxxxxxx
          inet addr:192.168.1.173  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::66d1:a3ff:fe18:e5cd/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:442 errors:0 dropped:0 overruns:0 frame:0
          TX packets:577 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

root@fvdwsl-5big2:/ #

notice no traffic on eth0

nmap quick scan

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Starting Nmap 6.25 ( http://nmap.org ) at 2014-01-04 13:18 West-Europa (standaardtijd)

Nmap scan report for 192.168.1.173
Host is up (0.034s latency).
Not shown: 93 closed ports
PORT     STATE SERVICE
22/tcp   open  ssh
80/tcp   open  http
111/tcp  open  rpcbind
139/tcp  open  netbios-ssn
443/tcp  open  https
445/tcp  open  microsoft-ds
1723/tcp open  pptp
MAC Address: 64:D1:xxxxxxxxxx (Sitecom Europe BV)

Nmap done: 1 IP address (1 host up) scanned in 17.13 seconds



[matzi]

I have exactly the boot commands that you have. Tried not only to disconnect lan cable after succesful booting but also boot from scratch with no cable inserted. In both cases I find the same behavior like before - wlan0 not functional.
I append two scans w/wo cable. Please notice the wlan0 manufacturer shown at the MAC changes ! Can that give useful information?

Scanning with lan cable:

Starting Nmap 6.40 ( http://nmap.org ) at 2014-01-04 14:05 Mitteleuropäische Zeit
Nmap scan report for 192.168.178.28
Host is up (0.0098s latency).
Not shown: 95 closed ports
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
MAC Address: 00:D0:4B:91:XX:XX (LA CIE Group S.A.)
Nmap done: 1 IP address (1 host up) scanned in 14.82 seconds

Scanning with no lan cable:

Starting Nmap 6.40 ( http://nmap.org ) at 2014-01-04 14:02 Mitteleuropäische Zeit
Nmap scan report for 192.168.178.28
Host is up (0.015s latency).
All 100 scanned ports on 192.168.178.28 are filtered
MAC Address: 7C:DD:90:16:EE:E9 (Shenzhen Ogemray Technology Co.)
Nmap done: 1 IP address (1 host up) scanned in 17.83 seconds

Edit:

All 100 scanned ports on 192.168.178.28 are filtered

Does that mean the IP is fine but just no Port open?