How does EIGRP determine load balancing?
How does EIGRP determine load balancing?
Configure Load Balancing on Cisco EIGRP using Unequal Routes
- Examine the current best route to the destination. On the originating router, use command show ip route [destination IP] to show the best route to reach the destination IP.
- Identify EIGRP Feasible Successor (FS) routes.
- Configure the variance value.
What is the maximum number of paths equal load balancing can support?
For IP, Cisco IOS Software applies load balancing across up to four equal-cost paths by default. With the maximum-paths maximum-path router configuration command, up to 16 equal-cost routes can be kept in the routing table.
What is the maximum path load balanced by EIGRP?
Load Balancing with EIGRP. All of our Interior Gateway Protocols can perform equal-path load balancing on up to 4 routes by default.
How do I configure MD5 authentication for EIGRP?
To configure MD5 authentication for EIGRP, complete the following steps:
- Step 1 Enter configuration mode for the interface on which you want to enable authentication.
- Step 2 Specify MD5 authentication for EIGRP packets using the ip authentication mode eigrp autonomous-system md5 interface configuration command.
Does EIGRP load balance by default?
EIGRP load balancing By default, EIGRP supports equal-cost load balancing over four links. Equal-cost means that multiple routes must have the same metric to reach the destination, so that router can choose to load balance across equal cost links.
What type of load balancing occurs on a per packet basis?
A router load balancing on a per-packet basis uses the parallel paths in a round-robin fashion, only forwarding a single packet on a path before moving on to the next one.
When configuring EIGRP What does configuring authentication do?
How to enable EIGRP authentication. EIGRP authentication supports MD5. If enabled, routers authenticates the source of each routing update packet that they receive.
How do I configure EIGRP authentication?
What is the FS route for load balancing on EIGRP?
The route through R3 meets the feasibility requirement because the advertised distance (409600) is smaller than the metric of the FD (metric via R2 is 435200 ). This FS route can be used to configure load balancing on Cisco EIGRP which will be shown in step 3 later.
How to configure unequal cost path load balancing in EIGRP?
In addition, Interior Gateway Routing Protocol (IGRP) and EIGRP also support unequal cost path load balancing. Use the variance n command in order to instruct the router to include routes with a metric of less than n times the minimum metric route for that destination. The variable n can take a value between 1 and 128.
What is routevariance in Cisco EIGRP?
Variance value can be used to configure load balancing on Cisco EIGRP using several routes with unequal metric value. Note that it requires the destination route to have an FS route.
What is the variance command in EIGRP?
The variance command determines which of these routes is used by the router. This document explains how unequal cost path load balancing works in Enhanced Interior Gateway Routing Protocol (EIGRP). This document requires a basic understanding of IP routing protocols and EIGRP routing protocol.
