Fredrik Holmberg

Network Consultant  

Tag: ipv4

Slapstick

May 1, 2016 / / 0 Comments

Another way of doing IPv4 subnetting

April 22, 2012 / / 0 Comments

There are many ways to understand subnetting. Here is a method that I use to figure out the IPv4 network address, the first address and the last broadcast address quite easily.

The following part requires understanding of the basic concepts of subnetting and binary math.

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6to4 ansible automation ccna ccnp challenge digital ocean dynagen elastic stack frame relay gns3 gnsparser icmpv6 ios ipv4 ipv6 juniper lab loopback mask mikrotik ndp ospf ospfv3 packet analysis scripting slaac subinterfaces subnet subnetting tcl tls troubleshooting tunneling vagrant wireshark wiresharklympics

SYN-ACK

I'm an independent Network Consultant with 10 years of experience working with some of the largest clients in the Nordics ranging from banking, hospitality and telecom to governmental and public institutions.

Challenges are what drives me. Creating things. Challenges that allow a combination of networking skills with other disciplines such as monitoring, log analysis, DevOps and IT automation concepts.

Certifications

Juniper JNCIP-ENT
Juniper JNCDA
Cisco CCNP R&S
Cisco CCNA Security
HP AIS 2011
Fortinet FCNSP v4.x

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