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Author Topic: Zyxel VMG8924-B10A as a WAP  (Read 470 times)

banger

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Zyxel VMG8924-B10A as a WAP
« on: February 14, 2020, 10:32:43 PM »

I am using the above router purely as a wifi repeater connected to a switch and an Asus router to connect to my modem.

Every now and again my Netmeter on my machine spikes an upload every say 2 minutes but if I unplug the repeater the upload spike stops. See pic for upload spike.

Any ideas what data my machine is sending or how to find out and why it stops when I unplug the zyxel?
« Last Edit: February 17, 2020, 10:13:00 PM by banger »
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

banger

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #1 on: February 17, 2020, 04:34:13 AM »

I've downloaded wireshark but a bit out of my depth as I have no idea on how to identify the packets that are uploading somewhere. Any ideas?
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

mofa2020

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #2 on: February 17, 2020, 09:49:19 AM »

Any ideas what data my machine is sending or how to find out and why it stops when I unplug the zyxel?

This might be dump, but by machine you are talking about a PC, right?
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banger

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #3 on: February 17, 2020, 10:27:51 AM »

This might be dump, but by machine you are talking about a PC, right?

Yes PC, unplug the repeater and upload stops.
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

burakkucat

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #4 on: February 17, 2020, 04:41:26 PM »

Currently, it is not that clear as to how you have devices configured and how they are connected.

I wonder if you are just seeing artefacts of, say, ARP with one device asking "who has IP address X?" and then the response "I've got IP address X and my MAC is blah", etc.
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banger

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #5 on: February 17, 2020, 08:47:03 PM »

I have seen that in wireshark.

Currently I have a VMG-1312-B10A connected by ethernet to Asus DSL-N55U in router mode which is connected to a 5 port Netgear 1 gigabit switch. Connected to the switch is the VMG8924-B10A on LAN 1 at 192.168.1.254 with the Asus at 192.168.1.1 with the Asus doing DHCP from 192.168.1.2 to 192.168.1.250. DHCP on the VMG8924-B10A is disabled.

As I say in my OP if I disconnect the VMG8924 from the switch the upload ceases. Connected to the VMG8924 wirelessly are another PC and a Laptop. My main PC is connected to the 5 port switch.

I hope that is enough detail.
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

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burakkucat

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #6 on: February 17, 2020, 10:06:14 PM »

Ah, so the VMG8924-B10A has been deployed as a WAP and not a repeater. I think I now understand your hardware configuration.

The VMG1312-B10A is just a bridging modem. What address is defined for its administrative interface? (By default it would be 192.168.1.1 but that is in use by the Asus device.) You just have 192.168.1.251 - 192.168.1.253 spare. (And I hope the Netgear switch is an unmanaged device.)

I am seeing --

VMG1312-B10A.     Used as a bridging modem.                  Administrative interface is ?
Asus DSL-N55U.    Used as a firewall/router/DHCP server/etc. Administrative interface is 192.168.1.1 (DHCP server hands out addresses 192.168.1.2 to 192.168.1.250)
VMG8924-B10A.     Used as a WAP.                             Administrative interface is 192.168.1.254

I still suspect that you are seeing some form of interaction between the VMG8924-B10A and one of the other devices . . . but I'm unsure which one.  :-\
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banger

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Re: Zyxel VMG8924-B10A as a repeater
« Reply #7 on: February 17, 2020, 10:12:41 PM »

Ah, so the VMG8924-B10A has been deployed as a WAP and not a repeater. I think I now understand your hardware configuration.

The VMG1312-B10A is just a bridging modem. What address is defined for its administrative interface? (By default it would be 192.168.1.1 but that is in use by the Asus device.) You just have 192.168.1.251 - 192.168.1.253 spare. (And I hope the Netgear switch is an unmanaged device.)

I am seeing --

VMG1312-B10A.     Used as a bridging modem.                  Administrative interface is ?
Asus DSL-N55U.    Used as a firewall/router/DHCP server/etc. Administrative interface is 192.168.1.1 (DHCP server hands out addresses 192.168.1.2 to 192.168.1.250)
VMG8924-B10A.     Used as a WAP.                             Administrative interface is 192.168.1.254

I still suspect that you are seeing some form of interaction between the VMG8924-B10A and one of the other devices . . . but I'm unsure which one.  :-\

VMG1312-B10A is 192.168.2.10. Yes the 8924 is a WAP not repeater. As I say when the 8924 is unplugged the traffic stops which is approximately every 5 minutes.
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d2d4j

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #8 on: February 17, 2020, 10:31:48 PM »

Hi

Sorry if Iím wrong but your not running any form of keep alive or perhaps dslstats monitor from your pc

Many thanks

John
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banger

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #9 on: February 17, 2020, 10:38:39 PM »

Hi

Sorry if Iím wrong but your not running any form of keep alive or perhaps dslstats monitor from your pc

Many thanks

John

Running DSLStats over Wifi to the VMG1312-B10A. Could it be that DSLStats is trying to connect to the 8924? My Wifi adapter is set at 192.168.2.100 so it can talk to the 1312. This happens every 5 mins, DSLStats is set to sample every 1 min.
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Tim
www.uno.net.uk & freenetname
Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

burakkucat

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #10 on: February 17, 2020, 11:04:07 PM »

Please tell me more about the "Netmeter" and exactly what it is monitoring. You mention "uploading"; on which interface are you seeing that data flow?
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banger

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #11 on: February 17, 2020, 11:08:16 PM »

Please tell me more about the "Netmeter" and exactly what it is monitoring. You mention "uploading"; on which interface are you seeing that data flow?

Netmeter is monitoring "all hadware interfaces" on the PC. As far as I am aware I am seeing it on the Realtek Gigabit family interface LAN port but cant be sure. I need some help to try and track it down.
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

burakkucat

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #12 on: February 17, 2020, 11:29:38 PM »

So you suspect that your main PC is sending data through its Ethernet port? Is the "Netmeter" configurable as to what it monitors?

You say you have been running Wireshark but are having difficulty interpreting the results. Configure Wireshark to only monitor traffic on the PC's Ethernet port. Is it possible to view the "Netmeter" and the Wireshark display together? Surely that would give you a good idea as to which part of the Wireshark display corresponds to the upload as seen by the "Netmeter"?
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banger

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #13 on: February 17, 2020, 11:37:57 PM »

I have I think isolated the interface to the realtek gaming GBe lan and I have tried your suggestion of watching wireshark and netmeter at the same time but it scrolls too fast to be discernable. I will try again.
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655

banger

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Re: Zyxel VMG8924-B10A as a WAP
« Reply #14 on: February 17, 2020, 11:49:25 PM »

Seeing a lot of the below in wireshark around the time of the spike on netmeter and a lot of IPV6 communication of a UpNP dll.

Code: [Select]
No. Time Source Destination Protocol Length Info
5440 215.445111 fe80::b81a:642b:15cb:905b ff02::c SSDP 183 M-SEARCH * HTTP/1.1

Also googling found this https://serverfault.com/questions/64884/network-flooded-with-m-search-packets-what-does-it-mean
« Last Edit: February 17, 2020, 11:52:17 PM by banger »
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Tim
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Asus DSL-N55U and ZyXEL VMG1312-B10A Bridge on 80 Meg TTB Fibre

https://www.thinkbroadband.com/speedtest/1502566996147131655
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