Routing and Switching

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

How to Connect Juniper QFX EVPN-VXLAN and VMware ESXi using LACP

This post is about configuring LACP between Juniper QFX (EVPN-VXLAN design) and VMware ESXi hosts. Environment *2x Juniper QFX 5120 Switches configured with EVPN-VXLAN, the design is a Collapsed Spine Fabric as described below: https://www.juniper.net/documentation/en_US/release-independent/solutions/topics/task/configuration/collapsed-spine-fabric-cloud-dc-configuring.html *If you connect your ESXi hosts directly to the QFX switches, you have to use LACP in between as this …

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How to Migrate VMware Standard Switch to Distributed Switch

This post is to document the process of migrating VMware Standard Switch to Distributed Switch. The purpose of this change is to enable LACP on both VMware Hosts and Core/Top of Rack Switch. Environment Three-node cluster connected to Two-Switch stack with redundant connection for each switch On each switch port, it is configured with standard …

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How to Configure DHCP Option 119 in Windows DHCP Server and Cisco Switch

This post is to document the process to configure DHCP option 119 in Windows DHCP Server and Cisco Switch. Environment Windows Server 2022 Domain Controller with DHCP roles configured Windows 10 devices on the end user side Multiple Domains with two-way trust configured DNS Suffix needs to be configure for both domains: ICTFella.com and DomainAA.com …

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How to Back up Cisco Switch Router Automatically to FTP Server

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 …

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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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