If you have any questions or advice, make sure to submit them in the comment section below.
SUBNETCALC INLINE HOW TO
This was a simple tutorial, showing how to use ipcalc tool with some basic examples. You can find the official ipcalc website at. The calculator can also be used to do reverse subnetting where the number of hosts is known, but the netmask is unknown.
To find more about the ipcalc usage, you can use: # ipcalc -help This free online subnet calculator can be used to calculate network configurations, using an IP or network address, a netmask, a Cisco wildcard mask or CIDR notation. If you want to suppress the binary output, you can use the -b option as shown. Because of this, only up to the first 999 possible subnets are displayed. Remember, the IPv6 address space can be huge. # ipcalc 192.168.20.0/24Ĭalculate a single subnet with 10 hosts: # ipcalc 192.168.20.0 -s 10 This IP Subnet calculator tool will make your subnetting life easier no matter if you are a CCNA student or experienced network engineer. Network: 192.168.20.0/24 11000000.10101000.00010100. The Wildcard Mask Calculator enables wildcard mask calculations for use with ACLs (Access Control Lists) using IP address and wildcard mask. Also, it prints the addresses in binary format for better understandability. For given IPv4 or IPv6 address and netmask or prefix length, it calculates network address, broadcast address, maximum number of hosts and host address range. Usually youd use an AND to get the final numbers for. Get information about the network address: # ipcalc 192.168.20.0 the network up into subnets and ip numbers within the subnets.
SUBNETCALC INLINE INSTALL
The ipcalc package should be installed automatically under CentOS/RHEL/Fedora and it is part of the initscripts package, but if for some reason it is missing, you can install it by using: # yum install initscripts #RHEL/CentOSīelow you can see some examples of using ipcalc.
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