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How to – Spanning Tree Protocol (STP) between Cisco and Juniper Switches

This post is to list the compatible Spanning Tree Protocol (STP) configuration between Cisco Catalyst switches and Juniper EX/QFX switches. The honest opinion here is to use EtherChannel/Aggagated Ethernet (LACP) wherever you can to avoid layer 2 network loops. Environment/Default Configuration Cisco Catalyst switch uses its own Rapid-PVST (Per VLAN Spanning Tree) protocol by default […]

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How to – Juniper EX/QFX Layer 3 Switch Configuration

Routing and Switching

This post is to list the basic configuration for the Juniper EX/QFX Layer3 switch. Similar to the previous Cisco Layer 3 configuration, it will demonstrate the most used configurations based on the production deployments. Related Topic: How to – Juniper EX switch Virtual Chassis and JUNOS upgrade https://ictfella.com/juniper-ex-switch-virtual-chassis-stacking-and-junos-upgrade/ How to Configure Cisco Layer 3 Switch

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How to Rewrite VLAN Number on Juniper EX

Routing and Switching

Object Juniper VLAN Number Rewrite is very useful when you are executing a network transition project, scenarios can be you are trying to use the same subnets on both new and old environments, or the ISP gives you a VLAN number that overlaps your VLAN number in your current network. Solution The below example shows

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How to Configure Cisco Juniper Fortinet EtherChannel LACP

Routing and Switching

Object When it is coming to project execution and solution integration, ICT network professionals always have the challenge to interconnect multiple vendors together, it is not difficult but painful to deal with. This article is to show you the typical EtherChannel configuration examples when you try to interconnect them across multiple vendors: Cisco and Juniper

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How to – Juniper EX switch Virtual Chassis and JUNOS upgrade

Routing and Switching

This tutorial is to illustrate the processes to configure Juniper EX switch virtual chassis and JUNOS upgrade procedures. This is one of the most common tasks in the Juniper networking world. Environment Virtual Chassis with nonprovisoned configuration file 2. Then you can check the current vc-port configuration via show virtual-chassis vc-port, there might be ports

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