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What value to set storm control rate [Mbps]
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Hi,
On my GS105Ev2 I wish to set a value for the storm rate limit (QoS > Broadcast filtering). I'm unsure what to set the limit at for each port, because when googling, I only find people talking about percentages like 0.1% or 0.01%.
However, On the GS105Ev2 I need to set it in Mbps.
How do I determine/calculate what value to set the storm rate limit at in Mbps?
Thanks!
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Hi Mausy5043
Thanks for your explanation 🙂
For the upcoming port you are right you can turn it off as it's unlikely that you will have a broadcast storm initiated from the internet connection.
For the rest I will suggest to keep it at arround 10Mbps as even the traffic per port could be little as the AP or the 100M connection , if you don't implement VLAN or Port Isolation the Broadcast traffic will automatically flow to all the ports.
Hope it helps!
Xavier Lleixa
NETGEAR CBU PLM
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Re: What value to set storm control rate [Mbps]
Hi Mausy5043
Welcome to our community!
It really depends on the type of traffic and your network setup, in general we don't recommend to have more than 5% broadcast traffic.
So one way that you can use to calculate the broadcast limit is use your internet connection and do 5% of it. If you wold like to be more accurate you can use port mirroring in one of the Ethernet Ports on the switch and a traffic analyzer like wireshark to calculate your broadcast level as a baseline.
Hope it helps!
Xavier Lleixa
NETGEAR CBU PLM
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Re: What value to set storm control rate [Mbps]
Thanks @XavierLL for your prompt answer.
So lets see if I understand this.
Connections on my switch are
_ 1 <=> ISP modem @ 200Mbps 2 <=> Devolo Powerline to WiFi AP 3 <=> single Raspberry Pi (w/ 100M ethernetcard) 4 5 <=> Ethernet Gigabit LAN _
On port 1 (which connects to my ISP modem) I think I should disable storm control as I don't expect storm coming in from outside.
Port 2 goes to a WiFI AP at the top floor. It has little traffic. So I'd propose 1Mbps.
I have a Raspberry Pi connected to port 3. It has a 100Mbit NIC. It's not going to cause a storm on its own, me thinks. So, 0.5Mbps should suffice or should I disable it?
All the other traffic goes to/from the Gigabit LAN on port 5. I could set that at 16Mbps.
Have I got that about right?
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Hi Mausy5043
Thanks for your explanation 🙂
For the upcoming port you are right you can turn it off as it's unlikely that you will have a broadcast storm initiated from the internet connection.
For the rest I will suggest to keep it at arround 10Mbps as even the traffic per port could be little as the AP or the 100M connection , if you don't implement VLAN or Port Isolation the Broadcast traffic will automatically flow to all the ports.
Hope it helps!
Xavier Lleixa
NETGEAR CBU PLM