Upgrading your Cisco ASR 920 router ensures that you benefit from the latest features, security enhancements, and performance improvements. This guide, based on Cisco’s official documentation, will walk you through the upgrade process step by step. Prerequisites Access to Cisco Software Downloads: You need the appropriate privileges to download software from the Cisco website. Backup […]
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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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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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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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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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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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This post lists a few configuration examples for Cambium Switch TX1012. Trunk ports It is equivalent to Cisco: Trunk Port with Native VLAN It is equivalent to Cisco: Access port It is equivalent to Cisco: Useful link CLI Configuration (cambiumnetworks.com)
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This post is about fixing “%PM-4-ERR_DISABLE: pagp-flap error detected” error on Cisco switch Error log Root cause From the log, we can see the related ports just flap like crazy Fix Find out the reason for the physical connectivity issue. To configure auto recovery and extend the threshold, please use the command below: Useful link
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This post is to list out the compatible configuration to allow default VLAN1 traffic between Cisco and Juniper. In this post, let’s assume VLAN1 are used for Switch Management, yes it is bad practice 🙁 Single Connection Between Cisco and Juniper Cisco Juniper Please define your VLAN 1 as native vlan on the Juniper side:
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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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