Routing and Switching

How to Upgrade Cisco XR Router

Upgrading a Cisco XR router involves several steps to ensure a smooth transition and minimize downtime. It’s essential to follow best practices and perform backups before proceeding with the upgrade Environment Cisco NCS540 router with XR 7.7.2 installed Target version XR7.7.21 Upgrade via TFTP server Preparation Upgrade Procedure Check where to put the Image, switch […]

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How to Revert Mikrotik RB951 from Openwrt to RouterOS

If you’ve experimented with alternative firmware like OpenWrt on your MikroTik RB951 and are now looking to revert to the original RouterOS, you can use netinstall application from Mikrotik First Attempt Follow the instrcutions below but the “Netinstall” application never detected the RB951 device https://wiki.mikrotik.com/wiki/Manual:Netinstall Secondary Attempt Put Wireshark on the ethernet port and did

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Cisco Switch Upgrade Procedures for 9500, 9300, 9200, and 3xxx Series

In this blog post, we will delve into the quick switch upgrade procedures for some of Cisco’s prominent switch series: the Catalyst 9500, 9300/9200, and 3xxx series Preparation Assume the below preparations a. Backup Configuration: Prior to any upgrade, make a complete backup of your switch configuration. This precautionary step ensures that you can restore

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How to Configure Trunk Port between Meraki and Cisco Catalyst Switch

This post is about cofiguring Trunk port between Meraki and Cisco Catalyst switch. Similar “cross-vendor” trunk port configuation from another post: Standard Trunk Port Configuration Meraki side Cisco Side LACP Etherchannel Configuration Meraki Side Cisco Side Useful link https://documentation.meraki.com/MS/Port_and_VLAN_Configuration/Switch_Ports

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How to Use Regex in Network Policy Server – for Radius Client

This post lists a simple example of using regex to match the Radius client IPs in Windows Network Policy Server (NPS) Scenario Multiple NPS Radius clients You only want NPS to execute that particular network policy for specific subnets/IP addresses. Regex in “Client IPv4 Address” Condition First, you need to create a new network policy

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How to Configure VRRP between Fortinet and Cisco

This post is about configuring VRRP between Fortinet Fortigate and Cisco Environment Fortigate firewall and Cisco router’s interfaces are configured using sub-interface, the physical interface will also work here. 100 is the VRRP Group ID FortiGate Firewall has a higher priority 255, so it will be the master Cisco Configuration Fortinet FortiGate Firewall Configuration As

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How to Configure LACP between FS and Cisco

This post is about configuring LACP between FS and Cisco Switches. Environment * FS Switch end * Cisco Switch end * 4x 10G connection in between FS switch configuration ====Change the port speed to 10G as our Cisco 9300 can only support 10G ====Configure the LACP Cisco Switch configuration LACP status Useful links https://www.cisco.com/c/en/us/td/docs/ios/12_2sb/feature/guide/gigeth.html https://resource.fs.com/mall/file/user_manual/s5860-20sq-and-s5860-24xb-u-switches-configuration-guide.pdf

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