What is Software Defined Networking or SDN?
What is software Defined Networking: Wikipedia Says This I have found that all of the major players are bringing out products that qualify for a type of Software Defined Networking. This…
Error Device ae1 Not Found
I recently ran into a problem on an EX series switch - after already setting interfaces ae0 ae1 and ae2 up. Here was my configuration: root@lab-ex-1# show interfaces ae1 aggregated-ether-options…
Problems after removing a node from a virtual chassis
After removing the EX-4500 from a virtual chassis configuration, I ran into a few problems within the config. I noticed something in the configuration that I thought was strange. admin@lab-ex-1#…
Cisco Show Interfaces Rates
Cisco Interface Rates are typically buried inside of the show interfaces command output. However there are ways to filter in Cisco IOs and it is similar to the Linux CLI…
BGP Changes – how has this propagated?
Making BGP changes can be a daunting tasks and when there's an error during BGP changes the effects can be felt for an entire data-center over an extended period of…
Open Source Networking Gear: Juniper’s Approach
DISCLAIMER: This is just my two-cents. Cisco has been opposed to open source whitebox networking from day one. There are many reasons for Cisco's stance on open source networking. I…
Different JUNOS Modes
Getting used to the different modes is an essential part of learning JUNOS - I have learned the different Juniper JUNOS modes and they are included in this post. Root…
Classful Subnetting Tricks
Here are some Classful Subnetting tricks that I learned while preparting for my CCNA Cert - I'm sure that brushing up on these can't hurt anything. Any time that you break…
Classful IPv4 Address Definitions
What is a classful IPv4 address? The definitions of what this is will be included below. This will include the zero subnet or as many people in the industry will…
Different Configuration Modes in JUNOS
There are different configuration modes in JUNOS you just have to look for them. It's important to know the difference during candidate configuration. There are times multiple administrators could be…