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Posts published in “Computer & Internet”

Redundant internet connection with multiple lte modems

Hy i wan't to build a Redundant Internet Gateway to use multiple usb LTE Modems with diffrent SIM Cards. The goal of this is to install it on a Boat in a medium sized lake. The boat route is along the coast and across multipl...

Why doesn’t ICMP use port numbers?

Firewall is showed in port no 7 and Google search is also showed in port no 7 so I am confused about how exactly ICMP use the port number.

Regards,
Bhushan

Which MAC should be used: device MAC or Interface MAC?

My L3 switch has ~30 interfaces. If you look at the output below there are two MAC addresses showing in the results of the show interface command. The hardware address is the same for all interfaces. The physical address is d...

Which MAC should be used: device MAC or Interface MAC?

My L3 switch has ~30 interfaces. If you look at the output below there are two MAC addresses showing in the results of the show interface command. The hardware address is the same for all interfaces. The physical address is d...

Fiber optic cable juniper ex4500

Noob 10G question.

I have a juniper ex4500 10G switch and Qlogic 3242 10G card. I use twinax cables for servers within the rack and they work just fine. But, now we added a new office which has 2 more servers and is about 10...

Access lists on vlans possible?

I have a building with some departments and each department has it's own vlan and subnet. so now all departments can communicate with each other, but i only want some of them to communicate with some. or want some to communic...