Understanding Default IP Address for a Router with Assigned IP and Subnet Mask

  • Thread starter jekyllz
  • Start date
In summary, the default IP address for the router would be 00001010.11111110.00000001.00001110. This is the result of assigning the given IP address and subnet mask to a switch. The reason for this is that the subnet mask limits the number of available addresses in the subnet and the router would need to be within the same subnet as the switch. Additionally, a /29 subnet mask allows for 6 usable host addresses, so the IP address for the router would be the next available address within the subnet.
  • #1
jekyllz
1
0
If we assign the IP address 00001010.11111110.00000001.00001001 and the subnet mask 11111111.11111111.11111111.11111000 to a switch, what is the default IP address for the router?

Answer: 00001010.11111110.00000001.00001110

Why? Why 00001010.11111110.00000001.00001110 and not something else?
 
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  • #2
could you pls provide more context to the question? The IP address in your answer is correct, but it is not the only correct possibility.

First of all, switch is a L2 device, there are no IP addresses assigned to its ports (maybe just admin IP for remote management?) There exists L3 switches which operate at the network layer and needs IP addressing for their ports, but their usage is very specific. Is this your case?

Regardless the above, let me ask you question:
if you define a subnet with a mask 11111111.11111111.11111111.11111000 (/29), how many hosts (devices) you can actually address within that subnet?
 

FAQ: Understanding Default IP Address for a Router with Assigned IP and Subnet Mask

What is a default IP address for a router?

A default IP address for a router is a pre-set address that is used to access the router's configuration settings. This address is usually set by the manufacturer and can be changed by the user if needed.

What is an assigned IP for a router?

An assigned IP for a router is a unique address that is assigned to the router by the network administrator. This address is used to identify the router on the network and allows for communication between devices.

What is a subnet mask for a router?

A subnet mask for a router is a number that is used to divide a network into smaller subnetworks. It determines which portion of an IP address is used for the network and which portion is used for the host.

How do I find the default IP address for my router?

The default IP address for a router can usually be found in the user manual or on the manufacturer's website. It can also be found by using the command prompt and typing "ipconfig" on a Windows computer or "ifconfig" on a Mac.

Can I change the default IP address for my router?

Yes, the default IP address for a router can be changed by accessing the router's configuration settings. However, it is important to choose an address that is not already in use by another device on the network.

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