This post is to demonstrate the process to configure hMailServer as an email relay with Microsoft Office 365. You then can point your SMTP of applications, printers, device alerting etc to this server for reporting, Scan-to-Email, and email alerting. Issue We used to configure SMTP within IIS as an SMTP replay server to work with […]
How to Configure SMTP relay on hMailServer – IIS MMC error Read More »
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 »
This post is to demonstrate the quick steps to configure port forwarding / Destination NAT on the Fortinet Fortigate firewall. Environment Fortinet Fortigate firewall. ISP has provided a /29 range of the public IP addresses. The requirement is to open port 443 from specific public IP addresses, not the whole internet. Configure Virtual IP or
How to Configure Port Forwarding Destination NAT on Fortinet Firewall Read More »
This post is to document the process to manage the secondary Fortigate firewall in a HA firewall cluster, as well as the process to shut down the Fortigate firewall using CLI. This process comes in handy if you are using the same interface for both data and management traffic for the HA pair. Manage the
How to Manage the Fortigate Secondary/Passive Firewall and Shutdown the HA Pair Read More »
This post is to document the process to configure static IPsec VPN between Fortinet and Sophos Firewall. Environment 1x Fortinet Fortigate Firewall cluster running at active-passive mode 1x Sophos UTM Firewall Both sides have static public IP assigned Phase 1 and Phase 2 use the same encryption (AES256) and authentication (SHA256) algorithm, Group 14 or
How to configure IPsec VPN between Fortinet and Sophos Firewall Read More »
This post is to document the process to fix Xiaomi Hotspot “connected no internet” issue. Background and Attempted options 1x Xiaomi mobile phone with MIUI Global ROM installed, enough credit/data from the mobile carrier 1x Windows 10 laptop, the wireless adapter is configured with default DHCP, IPv6 is disabled Enable and disable the hotspot setting,
How to fix Xiaomi Hotspot “connected no internet” issue Read More »
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 »
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 »
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 »
Eve-NG is the most used network emulation software for network professionals. Similar to Webiou or Unetlab in the older days, you can create virtual network devices for the majority of the IT networking vendors in a simple web GUI. This post is to demonstrate how to simulate or configure the Internet in the EVE-NG lab
EVE-NG – How to Simulate or Configure Internet Read More »
