by Network Joe | Oct 6, 2023 | Cisco, IOS, Layer 3, Router, VRF
Virtual Routing & ForwardingThis guide explains the concept of Virtual Routing & Forwarding, configuration commands, and how to build networks with multiple routing instances on a routing device. Comments Introduction VRF Lite Route Leaking Route Replication...
by Network Joe | Apr 12, 2023 | Catalyst, Cisco, IOS, Management, Python, Switch
Cisco IOS Python ScriptThis guide explains how to use a Python script to run EXEC commands and also make configuration changes on multiple devices. This script uses a simple CSV list of switches and another CSV list of commands to send desired commands to many Cisco...
by Network Joe | Mar 26, 2023 | Cisco, IOS, NAT
Network Address TranslationThis guide explains the concept of network address translation, different NAT types and examples how to configure each NAT type. Comments Introduction NAT Types NAT Address Classification Static NAT Port Address Translation Destination NAT...
by Network Joe | Mar 22, 2023 | Catalyst, Cisco, IOS, Switch
Cisco IOS Software UpgradeThis guide explains the steps to prepare and perform software upgrades on Cisco IOS devices. Moreover, how to delete old software images and how to verify the new software version. Comments Introduction Catalyst 9300 Catalyst 9500 Catalyst...
by Network Joe | Mar 14, 2023 | Catalyst, Cisco, DHCP, IOS, Layer 3, Switch
Dynamic Host Configuration ProtocolThis guide shows how to use a Cisco router or layer 3 switch as a DHCP server, and serve IP addresses to client devices in a local area network. Comments Introduction Overview Configuration Show Commands DHCP & VRF Debugging...
by Network Joe | Mar 3, 2023 | Catalyst, Cisco, Gateway, IOS, Redundancy, Stack, Stackwise Virtual, Switch
Stackwise VirtualThis guide explains the concept, functionality and configuration of Stackwise Virtual. A core switch pair is set up and connected geo-redundantly. Two Cisco Catalyst 9500 Layer 3 switches have been used for this guide. Comments Introduction Advantages...
