Cisco Networking

Configuring Layer 3 MPLS VPN

What is a Layer 3 MPLS VPN and why to use it?Layer 3, or VPRN (virtual private routed network), utilizes layer 3 VRF (VPN/virtual routing and forwarding) to segment routing tables for each customer utilizing the service. The customer peers with the service provider router and the two exchange routes, Read more…

By Joe Conklin, ago
Cisco Networking

EIGRP Load Balancing

What is EIGRP load balancing and why to use it?Load balancing is a standard functionality of the Cisco IOS router software, and is available across all router platforms. It is inherent to the forwarding process in the router and is automatically activated if the routing table has multiple paths to Read more…

By Joe Conklin, ago
Cisco Networking

Safely collect IOS router debugs

What is debugging and why to use it?Debugging is a process that allows error-collection and logging systems on systems to a file or to a monitor. Specifically, it provides in-line debugging functionality for processes and hardware. Use debug commands with caution and before debugging and be sure to monitor the Read more…

By Joe Conklin, ago
Cisco Networking

EIGRP Route Summarization

What is route summarization and why to use it?In large internetworks, hundreds, or even thousands, of network addresses can exist. It is often problematic for routers to maintain this volume of routes in their routing tables. Route summarization (also called route aggregation or supernetting) can reduce the number of routes Read more…

By Joe Conklin, ago
Cisco Networking

BGP Route Summarization

What is route summarization and why to use it?In large internetworks, hundreds, or even thousands, of network addresses can exist. It is often problematic for routers to maintain this volume of routes in their routing tables. Route summarization (also called route aggregation or supernetting) can reduce the number of routes Read more…

By Joe Conklin, ago
Cisco Networking

OSPF Route Filtering

What is route filtering and why to use it?In the context of network routing, route filtering is the process by which certain routes are not considered for inclusion in the local route database, or not advertised to one's neighbours. Route filtering is particularly important for use on large networks or Read more…

By Joe Conklin, ago
Cisco Networking

EIGRP Route Filtering

What is route filtering and why to use it?In the context of network routing, route filtering is the process by which certain routes are not considered for inclusion in the local route database, or not advertised to one's neighbours. Route filtering is particularly important for use on large networks or Read more…

By Joe Conklin, ago
Cisco Networking

OSPF Route Summarization

What is route summarization and why to use it?In large internetworks, hundreds, or even thousands, of network addresses can exist. It is often problematic for routers to maintain this volume of routes in their routing tables. Route summarization (also called route aggregation or supernetting) can reduce the number of routes Read more…

By Joe Conklin, ago