Re: idle traffic considerations

2019-11-29 Thread zrm
On 10/17/19 06:29, Knuth wrote: Hey, we are planning to deploy certain devices with an embedded sim cards in different countries across the globe, for maintenance we need to be able to connect to the devices with ssh. Since the sim cards only provide us with a private IPv4 behind NAT (becau

Re: idle traffic considerations

2019-11-29 Thread Lonnie Abelbeck
> On Nov 29, 2019, at 3:18 PM, zrm wrote: > > On 10/17/19 06:29, Knuth wrote: >> Hey, >> we are planning to deploy certain devices with an embedded sim cards in >> different countries across the globe, for maintenance we need to be able to >> connect to the devices with ssh. >> Since the sim

Re: idle traffic considerations

2019-11-29 Thread Roman Mamedov
On Fri, 29 Nov 2019 16:18:52 -0500 zrm wrote: > Ballpark estimate, round a keepalive packet to about a hundred bytes. > You're also going to get a re-keys, call those two hundred bytes. If you > have a keepalive every 30 seconds and a re-key every 120 seconds, that's > around 18KB per hour per