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#1 2014-11-04 03:08:04

dslink
Member
From: USA
Registered: 2012-02-23
Posts: 48

How to disable wifi nic from seeing G or N networks

I have this problem on dual band networks running G and N, my wifi nic grabs 2 IP addresses. What is strange is ifconfig only shows the interface having 1 IP address, but "ip" command shows 2. This is a Qualcomm Atheros AR9462 in a hp 9470m laptop.

I have no idea how it went from enpl0s25 to wl01....

2: enp0s25: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether a0:48:1c:dc:49:d2 brd ff:ff:ff:ff:ff:ff
    inet 10.128.8.58/24 brd 10.128.8.255 scope global dynamic enp0s25
       valid_lft 690857sec preferred_lft 690857sec
    inet 10.128.8.94/24 brd 10.128.8.255 scope global secondary enp0s25
       valid_lft forever preferred_lft forever

wlo1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 3c:77:e6:21:92:41 brd ff:ff:ff:ff:ff:ff
    inet 10.130.119.94/16 brd 10.130.255.255 scope global dynamic wlo1
       valid_lft 28122sec preferred_lft 28122sec
    inet 10.130.235.0/16 brd 10.130.255.255 scope global secondary wlo1
       valid_lft forever preferred_lft forever

here is ifconfig only showing 1 IP

wlo1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.130.119.94  netmask 255.255.0.0  broadcast 10.130.255.255
        ether 3c:77:e6:21:92:41  txqueuelen 1000  (Ethernet)
        RX packets 3485  bytes 2218766 (2.1 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2845  bytes 476535 (465.3 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

So my idea is to disable G or N on the card/for that network so i can only get 1 IP and then beable to send/receive traffic because with the 2 addresses i have no working internet.

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#2 2014-11-06 20:17:18

crxxn
Member
Registered: 2014-06-25
Posts: 9

Re: How to disable wifi nic from seeing G or N networks

What does  "lshw -class network"  print?
Especially the "configuration: (...) driver= " entry might be interesting regarding your device duplication...

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