SDN, Software-Defined Networking, the trending technology that some friends/colleagues of mine like to refer to it as “Still Does Nothing”. Let’s see if it does some thing. SDN has been a market hype for few years now. Out of laziness, I ignored it in the beginning then I had to …Read More »
What Is ?
A bit of background First .. PPPoE stands for Point to Point over Ethernet and is the successor of PPPoA. PPPoE is simply a method of encapsulating PPP packets into Ethernet frames. The standard is defined in RFC2516 . IPoE is growing very quickly but as far as I can tell PPPoE …Read More »
MTU stands for Maximum transmission unit, which is the maximum packet length that can be sent on an egress interface toward a destination. MTU is an attribute of the egress interface and is typcially considered over a full path from the source to destination. MTU size differes from one media …Read More »
IPv4 Private Address Ranges: 10.0.0.0/8 IP addresses: 10.0.0.0 — 10.255.255.255. 172.16.0.0/12 IP addresses: 172.16.0.0 — 172.31.255.255. 192.168.0.0/16 IP addresses: 192.168.0.0 – 192.168.255.255 Private IPv4 internet address ranges are defined in RFC1918 with the motivation to control growth of the internet routing tables and to preserve IPv4 addresses space …Read More »
I will start from the beginning; two weeks ago I wrote a post claiming that IPv4 is depleting and IPv6 is coming soon; and since we are considering deploying IPv6 soon in our network, I thought it might be useful to write about IPv6 migration and transition strategies. Although, this …Read More »
What is MPLS? MPLS stands for Multi-protocol Label Switching. MPLS is a packet forwarding technology that is capable of carrying any L3 protocol and here comes the word multi-protocol. MPLS is capable of tunneling L3 packets inside the MPLS network using MPLS labels. The MPLS label is pushed into the …Read More »