Questions tagged [cloud]

For questions about or in relation cloud networking, where this tag should only be used for on topic cloud networking. For instance, you have problems getting your Cisco ISE cloud or Cisco Wireless cloud to work properly and have questions in relation to troubleshooting the issue.

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Authentication of devices and gateway in OpenMTC

I'm studying fog-cloud-iot systems and I bumped into OpenMTC. In order to understand better how their systems work, I would like to know how the authentication between edge devices and gateway and ...
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2answers
30 views

Can a Subnet have more than one CIDR range?

For many years I thought of a subnet as a single contiguous range of ip addresses expressed using CIDR notation. However on GCP a subnet can have a primary ip address range from which VMs get ...
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1answer
30 views

How to protect a pfSense login page?

A user rents a cloud server hosted on VMWare and is provided a pfSense appliance to protect it. The pfSense appliance has a web-based login page to access its console. Although pfSense is supposed ...
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2answers
74 views

How is it possible to get multiple virtual network interfaces with only one physical network interface?

I'm currently struggling about the fact that I could create (almost) unlimited virtual network interfaces with only one physical NIC. How does that can be possible ? To give you more context about my ...
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2answers
75 views

Why Should I Care That Fully Meshed Peering Leads to Exponential Growth of Total Connections?

It seems that when I see a description of a fully-meshed peering system, the exponential growth of peer connections is often referred to as a negative. However, some mentions of this were ...
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0answers
138 views

Why is bgp used for AWS and gcp VPNs and not another routing protocol? [closed]

I use AWS and gcp. Both of these cloud platforms have the ability to establish a VPN connection from a VPC in the cloud to an on-premise router or another cloud VPN endpoint. They both use bgp ( and ...
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1answer
31 views

Public IP addresses on cloud platforms [closed]

My question is about cloud platforms like AWS or Azure. Whenever we create an instance (VM or VPC), AWS allocates a set of public and private IPs for that instance. Now the number of user accounts (...