A networker's blogThis is a short howto about how you can bring up a GRE tunnel between Juniper devices and Linux, Ubuntu in this case. Just to provide some basics about GRE tunnels: Each endpoint has to have reachability to the other endpoint One endpoint must use the GRE tunnel to reach the destination of the tunnel(recursive… Keep reading »
In this post I will discuss about Proxy ARP feature on Junos, more exactly on EX4200 platform. When a host sends an ARP Request to a switch configured with Proxy ARP, the switch send its own MAC address to resolve the ARP for the destination host and the source host starts to used the switch… Keep reading »
In this post I will discuss about short reach mode feature that is present on QFX5100-48T platform. QFX5100-48T-6Q platform has 48 10BASE-T ports and 6 QSFP+ ports. The short reach mode feature allows to save up to 5W of power usage in case it is activated on the 10BASE-T ports that use cables that are… Keep reading »
I had recently to configure link aggregation between a Linux host and a Juniper device. On Linux this is called bonding and the logical interface is usually called bondX. On Juniper this is called link aggregation and the logical interface is called aggregated ethernet, aeX. For this example I used Ubuntu and based on the… Keep reading »