HSRP Version 1 vs Version 2
HSRP, or hot standby routing protocol, is very commonly used in the networking world. It is a great solution for providing redundant gateways for a wide array of networks. Over time there have been...
OSPF DR Election Process
OSPF is a routing protocol that is popular because of the compatibility between vendors, compared to EIGRP being a Cisco proprietary routing protocol. One major component of OSPF is the usa of...
BGP Best Path Selection
This is a subject that is key to the core of BGP and is something that needs to understood from the start. It is essential to everything that you will study and work with...
Cisco IP SLA and Redundant Links
In any enterprise environment, there is one thing that comes up a lot, and that is redundancy. Take the healthcare industry for instance. When you have patients needing medical care, you can't afford the...
OSPF Max-Metric
It's nothing new that OSPF uses a system of calculating the cost of a route to determine the open shortest path first (OSPF). Sometimes users want to manipulate the path that traffic will take...
When to Disable EIGRP Split-Horizon
Within a properly configured network, one thing that is very important is loop prevention. A Network loop can bring a wide range of issues from misrouted traffic to physical effects on devices such as...
BGP Aggregation and Suppress Maps
Within BGP, there are sometimes situations where it is better to send a summary address advertisement instead of advertisements for multiple subnets. This is the same with BGP as it is with other routing...