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  1. Solved: when and why we use /31 subnet - Cisco Community

    Feb 7, 2011 · Hi all, i know about /30 subnet we use when we have to use point to point network. /30 we use when we need only 2 hosts on either end of network. cansomeone tell me why and …

  2. bad subnet mask - Cisco Community

    Mar 19, 2017 · Here you need to verify if the problem is the subnet mask or the IP included under the interface, in this case as the subnet mask is /24 you need to include a valid IP different …

  3. Network Addresses and Subnet Mask - Cisco Community

    Oct 23, 2003 · In fact, .30.x and .31.x will be able to talk directly to each other, up to the point where the mask is 255.255.254.0. But they will need a router more and more to reach …

  4. /29 subnet required for this intent, or is /30 ok?

    Jan 10, 2024 · This new ISP for the enterprise has given me a single public IP address with a /30 mask that is in the subnet of the ISP device, and also 4 nearby IP addresses with a /29 mask. …

  5. Loopback's subnet mask - Cisco Community

    May 15, 2002 · Say for example you wanted to use a loopback and had an interface in the box, you could assign a 30 bit mask to the loopback and use "ip unnumbered loopback x on the …

  6. This chapter removes that restriction by introducing variable-length subnet masks (VLSM). VLSM simply means that the subnet design uses more than one mask in the same classful network. …

  7. Step 10: Change the IP address and network on PC1. Change the IP address on PC1 to 172.17.20.22. The subnet mask and default gateway can remain the same. Once again, ping …

  8. Solved: %Inconsistent address and mask - Cisco Community

    Mar 28, 2018 · If we look at the mask of 255.255.255.252 this indicates a subnet of /30. And that means that the first 28 bits of the address represent the subnet and are significant while the …

  9. Use of /31 and /32 - Cisco Community

    Jan 11, 2013 · Hi, I can understand creating a tiny subnet to connect just 2 devices with /30, being 4 ips, and 2 possible hosts. But I'm a bit confused with the use of /31 and /32, surely there's no …

  10. An IP address is an address used to uniquely identify a device on an IP network. The address is made up of 32 binary bits which can be divisible into a network portion and host portion with …