Routing and Switching

How to Back up Cisco Switch Router Automatically to FTP Server

Routing and Switching

This post is to demonstrate the process to configure the Cisco switch or router device to back up the Cisco configuration file automatically to the FTP server. Environment Cisco Catalyst 9000 switch, works on Cisco routers as well Server: Microsoft Windows Server 2022 FTP application: Filezilla Server Application Configure Filezilla FTP server Assume you have …

How to Back up Cisco Switch Router Automatically to FTP Server Read More »

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

Routing and Switching

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 …

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

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 …

How to – Juniper EX/QFX Layer 3 Switch Configuration Read More »

How to Configure Basic Bandwidth Shaping Policing on Cisco Fortigate for ISP Connection

Next Gen Firewall, Routing and Switching

When Internet Service Providers (ISP) have a new internet link provisioned, very often they have shaping rules on their NTU to regulate internet traffic at promised rate. If your firewall/router/switch is sending excessive traffic than promised rate, the packet will be dropped, then ends up with suboptimal performance and slow internet speed. This post is …

How to Configure Basic Bandwidth Shaping Policing on Cisco Fortigate for ISP Connection Read More »

How to Revert the Fortinet Firewall Configuration back Automatically when Handling Changes Remotely

Next Gen Firewall, Routing and Switching

When network professionals handle changes remotely, it is always good to have a safety net available. If you are familiar with Juniper Junos, you would love the “commit confirmed” command very much, as it will revert the config back to the previous config after 10 minutes automatically, in the event of you screwed up the …

How to Revert the Fortinet Firewall Configuration back Automatically when Handling Changes Remotely Read More »

How to Fix Cisco 4331 Router Throughput Stuck at 100Mbps

Routing and Switching

=====Issue==== After ISP upgraded the link from 100Mbps to 350Mbps, the customer cannot get the speed of 350Mbps, checked all paths and confirmed there is NO QoS, Policing, or bandwidth limiting setting anywhere along the way. Tested directly using a laptop with direct public IP and NO issue. ====Environment==== Cisco 4331 Router with 350/350 Mbps …

How to Fix Cisco 4331 Router Throughput Stuck at 100Mbps Read More »

How to enable IGMP Snooping on dedicated VLAN on Planet GS-6320 Switches – obsolete error

Routing and Switching

This post lists the fix for “% ‘ip igmp snooping vlan ‘ is obsolete” error when configuring Planet GS-6320 switches. ====Background==== We are working with a multimedia partner to set up an IPTV system and come across this particular error when we try to enable IGMP Snooping on a VLAN. After the partner contacted Planet …

How to enable IGMP Snooping on dedicated VLAN on Planet GS-6320 Switches – obsolete error Read More »

Stackwise Virtual “Invalid Input Detected” Error and How to Configure Stacking on Cisco 9500

Routing and Switching

This post is to demonstrate the process to fix the “Invalid Input Detected” error when issuing “stackwise-virutal” command on Cisco switches, as well as document basic StackWise virtual configuration using two Cisco Catalyst 9500. Error Fix StackWise Virtual error You will get this error because you don’t have the Network Advantage license purchased, you may …

Stackwise Virtual “Invalid Input Detected” Error and How to Configure Stacking on Cisco 9500 Read More »