Configuring Cisco Discovery Protocol on Network Devices
1. Learning Objectives
This configuration exercise covers:
Understanding CDP protocol characteristics
CDP configuration and troubleshooting techniques
Viewing directly connected neighbor information via CDP
2. Network Topology
The laboratory topology for CDP configuration is illustrated below.
3. Configuration Steps
(1) Configure RouterA
Rout ...
Posted on Thu, 14 May 2026 07:18:37 +0000 by bweekly
Using ACLs for Traffic Filtering on Cisco, Huawei, and H3C Devices
An Access Control List (ACL) consists of multiple entries, each called a Access Control Entry (ACE). ACEs are evaluated in ascending order based on their sequence numbers (default starting at 5, stepping by 5). The first match is applied immediately, and no further evaluation occurs.
Cisco ACLs implicitly deny all traffic at the end. In contras ...
Posted on Fri, 08 May 2026 20:14:12 +0000 by Buttero