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List associated WiFi clients on command line?

Jack Yaz

Jack Yaz

Part of the Furniture
Like Wireless Log, but in a terminal. I can see the page is using AJAX but I can't follow it at that point, AJAX is a mystery to me!
 
Jack Yaz said:
Like Wireless Log, but in a terminal. I can see the page is using AJAX but I can't follow it at that point, AJAX is a mystery to me!
Click to expand...

It varies between router models.
 
Jack Yaz said:
Thanks, I can then use arp and other commands to get hostname and ip address!
Click to expand...
Like in my wireless monitor script ;).
Code: 
#!/bin/sh

# This script only works with Broadcom wireless chipsets, not Quantenna.
# https://www.snbforums.com/threads/to-trace-mobile-mac-adress.20022/#post-144852

oldlist=/tmp/assoclist.old
newlist=/tmp/assoclist.new
touch $oldlist          # Create an empty file the first time through

while sleep 15
do
        for iface in $(nvram get wl_ifnames) $(nvram get wl0_vifs) $(nvram get wl1_vifs)
        do
                wl -i $iface assoclist >> $newlist
                sed -i "s/assoclist/$iface/g" $newlist
        done

        grep -vxFf $newlist $oldlist | while read macinfo
        do
                macaddr="${macinfo#* }"
                arpinfo="$(arp -a | grep -iF $macaddr | awk '{print $1 " " $2}')"
                logger -t "wireless" $macinfo $arpinfo "has disconnected."
        done

        grep -vxFf $oldlist $newlist | while read macinfo
        do
                macaddr="${macinfo#* }"
                arpinfo="$(arp -a | grep -iF $macaddr | awk '{print $1 " " $2}')"
                logger -t "wireless" $macinfo $arpinfo "has connected."
        done

        mv $newlist $oldlist
done
 
Last edited:
ColinTaylor said:
Like in my wireless monitor script ;).
Code: 
#!/bin/sh

# This script only works with Broadcom wireless chipsets, not Quantenna.
# https://www.snbforums.com/threads/to-trace-mobile-mac-adress.20022/#post-144852

oldlist=/tmp/assoclist.old
newlist=/tmp/assoclist.new
touch $oldlist          # Create an empty file the first time through

while sleep 15
do
        for iface in $(nvram get wl_ifnames) $(nvram get wl0_vifs) $(nvram get wl1_vifs)
        do
                wl -i $iface assoclist >> $newlist
                sed -i "s/assoclist/$iface/g" $newlist
        done

        grep -vxFf $newlist $oldlist | while read macinfo
        do
                macaddr="${macinfo#* }"
                arpinfo="$(arp -a | grep -iF $macaddr | awk '{print $1 " " $2}')"
                logger -t wireless $macinfo $arpinfo "has disconnected."
        done

        grep -vxFf $oldlist $newlist | while read macinfo
        do
                macaddr="${macinfo#* }"
                arpinfo="$(arp -a | grep -iF $macaddr | awk '{print $1 " " $2}')"
                logger -t wireless $macinfo $arpinfo "has connected."
        done

        mv $newlist $oldlist
done
Click to expand...
Would you mind if i incorporate it (while adding support for my ac87u) as a status output for YazFi? I'll be sure to credit you in the code!
 
Jack Yaz said:
Would you mind if i incorporate it (while adding support for my ac87u) as a status output for YazFi? I'll be sure to credit you in the code!
Click to expand...
By all means. It's all free code, I don't have copyright on awk, sed or grep :D. In fact I'd like to see a version that also worked with Quantenna. I would have written one myself but had no way of testing it.
 
ColinTaylor said:
By all means. It's all free code, I don't have copyright on awk, sed or grep :D. In fact I'd like to see a version that also worked with Quantenna. I would have written one myself but had no way of testing it.
Click to expand...
Cheers. I still prefer being polite and asking! I'm hoping the linked post you sent with Merlin's input on the Quantenna input will be enough, otherwise at least i know where to start!
 
ColinTaylor said:
By all means. It's all free code, I don't have copyright on awk, sed or grep :D. In fact I'd like to see a version that also worked with Quantenna. I would have written one myself but had no way of testing it.
Click to expand...
So for the primary networks, using
Code: 
nvram get wl_ifnames
is wifi0 2.4ghz and eth1 5Ghz?

Or as per John's post in the linked thread,

eth1 2.4ghz
eth2 5ghz

and wifi0 is a red herring?
 
This is what I didn't know because I don't have an RT-AC87U.

All I know is that other post refers to wifi0 which is apparently the Quantenna 5GHz radio???

On the Broadcom based routers:

eth1 - 2.4GHz
eth2 - 5GHz
wl0.x - 2.4GHz guest
wl1.x - 5GHz guest

I don't know whether it's possible to identify whether a Quantenna client (wifi0) is on a guest network or not.
 
Last edited:
What do you get on your RT-AC87U for:

nvram get wl_ifnames
nvram get wl0_vifs
nvram get wl1_vifs
 
ColinTaylor said:
This is what I didn't know because I don't have an RT-AC87U.

All I know is that other post refers to wifi0 which is apparently the Quantenna 5GHz radio???

On the Broadcom based routers:

eth1 - 2.4GHz
eth2 - 5GHz
wl0.x - 2.4GHz guest
wl1.x - 5GHz guest

I don't know whether it's possible to identify whether a Quantenna client (wifi0) is on a guest network or not.
Click to expand...
eth1 probably works on 87U but I have (unhelpfully, for this test) named both 2.4 and 5 with the same SSID.

wifi0 (via qcsocket) works for primary 5GHz, and wl0.x for 2.4GHZ also works
 
I'm also interested in this, I have an RT-AC87U running Merlin 380.70. Here's what I get, let me know if you need more

me@87u:/tmp/home/root# nvram get wl_ifnames
eth1 wifi0
me@87u:/tmp/home/root# nvram get wl0_vifs
wl0.1
me@87u:/tmp/home/root# nvram get wl1_vifs
wl1.1
me@87u:/tmp/home/root#
 
Hi Colin, below is the router's output, this is with both radios on with one guest wifi on each, I have different ssid names per radio.

Note I have an isolated vlan100 that i use for some wired devices. Bridging a new vlan with the guest wlans is on my list of things to do, a while back I made an attempt but it didn't work as I don't keep the guest wlans on all the time and they would drop back onto br0 when reactivated.

Code: 
me@87u:/tmp/home/root# ifconfig -a
aux0      Link encap:Ethernet  HWaddr 9C:::::
          BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:28844 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:2227820 (2.1 MiB)  TX bytes:0 (0.0 B)
          Interrupt:180 Base address:0x5000

br0       Link encap:Ethernet  HWaddr 9C:::::
          inet addr:10...  Bcast:10...  Mask:255.255.255.0
          UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1
          RX packets:394589 errors:0 dropped:0 overruns:0 frame:0
          TX packets:504231 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:32081386 (30.5 MiB)  TX bytes:553110262 (527.4 MiB)

br0:0     Link encap:Ethernet  HWaddr 9C:::::
          inet addr:169.254.39.93  Bcast:169.254.39.255  Mask:255.255.255.0
          UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1

eth0      Link encap:Ethernet  HWaddr 9C:::::
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3695701 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1290999 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:627446434 (598.3 MiB)  TX bytes:660557364 (629.9 MiB)
          Interrupt:181 Base address:0x6000

eth1      Link encap:Ethernet  HWaddr 9C:::::
          UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1
          RX packets:1907 errors:0 dropped:0 overruns:0 frame:21239
          TX packets:3272 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:221559 (216.3 KiB)  TX bytes:2250781 (2.1 MiB)
          Interrupt:163

ifb0      Link encap:Ethernet  HWaddr 26:::::
          BROADCAST NOARP  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:32
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

ifb1      Link encap:Ethernet  HWaddr B6:::::
          BROADCAST NOARP  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:32
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          UP LOOPBACK RUNNING MULTICAST  MTU:16436  Metric:1
          RX packets:83802 errors:0 dropped:0 overruns:0 frame:0
          TX packets:83802 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:21630137 (20.6 MiB)  TX bytes:21630137 (20.6 MiB)

tun21     Link encap:UNSPEC  HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00
          inet addr:10...  P-t-P:10...  Mask:255.255.255.0
          UP POINTOPOINT RUNNING NOARP PROMISC 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:100
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

vlan1     Link encap:Ethernet  HWaddr 9C:::::
          UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1
          RX packets:293625 errors:0 dropped:0 overruns:0 frame:0
          TX packets:414362 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:22510933 (21.4 MiB)  TX bytes:427144393 (407.3 MiB)

vlan100   Link encap:Ethernet  HWaddr 9C:::::
          inet addr:192...  Bcast:192...  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:111 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 B)  TX bytes:14578 (14.2 KiB)

vlan2     Link encap:Ethernet  HWaddr 9C:::::
          inet addr:10...  Bcast:10...  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3430623 errors:0 dropped:0 overruns:0 frame:0
          TX packets:881778 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:4882193175 (4.5 GiB)  TX bytes:230483829 (219.8 MiB)

vlan4000  Link encap:Ethernet  HWaddr 9C:::::
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:297 errors:0 dropped:0 overruns:0 frame:0
          TX packets:324 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:21186 (20.6 KiB)  TX bytes:27852 (27.1 KiB)

wl0.1     Link encap:Ethernet  HWaddr 9C:::::
          UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1
          RX packets:135867 errors:0 dropped:0 overruns:0 frame:21239
          TX packets:151574 errors:108 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:169820059 (161.9 MiB)  TX bytes:198295295 (189.1 MiB)

me@87u:/tmp/home/root# robocfg show
Switch: enabled
Port 0: 1000FD enabled stp: none vlan: 2 jumbo: off mac: ::::::
Port 1:   DOWN enabled stp: none vlan: 1 jumbo: off mac: 00:00:00:00:00:00
Port 2: 1000FD enabled stp: none vlan: 1 jumbo: off mac: ::::::
Port 3: 1000FD enabled stp: none vlan: 1 jumbo: off mac: ::::::
Port 4:   DOWN enabled stp: none vlan: 1 jumbo: off mac: 00:00:00:00:00:00
Port 5: 1000FD enabled stp: none vlan: 1 jumbo: off mac: ::::::
Port 7: 1000FD enabled stp: none vlan: 1 jumbo: off mac: 9c:::::
Port 8: 1000FD enabled stp: none vlan: 1 jumbo: off mac: 9c:::::
VLANs: BCM5301x enabled mac_check mac_hash
   1: vlan1: 1 2 3 5 8t
   2: vlan2: 0 8t
 100: vlan100: 1t 2t 3t 8t
1045: vlan1045: 7 8u
1046: vlan1046: 0 1t 2t 4 7t 8t
1047: vlan1047: 0 2t 4t 5t
1099: vlan1099: 1 2t 3t 5t 7
1100: vlan1100: 1 3t 4t 5 7t
1101: vlan1101: 1 3 4 7 8u
1102: vlan1102: 1t 2t 5t
1103: vlan1103: 0 1t 4t 5 7t 8u
4000: vlan4000: 5t 7t
me@87u:/tmp/home/root# brctl show
bridge name     bridge id               STP enabled     interfaces
br0             8000.9c:::::            no             vlan1
                                                        vlan4000
                                                        eth1
                                                        wl0.1
me@87u:/tmp/home/root#

For reference here's the 87u's switch port to interface layout

Code: 
port0 wan
port1 lan4
port2 lan3
port3 lan2
port5 lan1 (quantenna chipset)
 
Last edited:
Does your 5ghz guest wifi actually broadcast? Mine doesn't and that's having done a factory reset.

Edit : never mind i see you're on 380.70, mine stopped working after the jump to 384.x
 
Jack Yaz said:
Does your 5ghz guest wifi actually broadcast? Mine doesn't and that's having done a factory reset.

Edit : never mind i see you're on 380.70, mine stopped working after the jump to 384.x
Click to expand...

Indeed and that's one of the reasons I'm holding on to the 380 code.
 
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