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 »
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
=====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 »
This post lists the fix for “% ‘ip igmp snooping vlan ‘ is obsolete” error when configuring Planet GS-6320 switches.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
This post is to list out the basic configuration on a Cisco Layer 3 Switch, if you are configuring a Layer 2 Switch, you can simply remove the additional SVIs except for the switch management VLAN. Host Name and Enable Password Encryption Enable 3rd Party SFP Module Support Domain and DNS Configuraiton Enable Link Layer
How to Configure Cisco Layer 3 Switch Read More »
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
This post is to demonstrate the process to configure VLAN Trunking with Ubiquiti AirMax GigaBeam Point to Point device. Unlike Ubiquiti Nano stations, those AirMax GigaBeam (GBE-LR) does NOT need to configure VLANs or Bridge etc for the trunk port to work. If you want to check VLAN Trunking configuration with Nanostation devices, see below
AirMax GigaBeam – How to Configure VLAN Trunking Read More »
This post is to illustrate the process of configuring the Zscaler GRE tunnel with Cisco ISR for cloud internet security. The main goal of this configuration is to set up the GRE tunnel and send all internet traffic via the tunnel for web filtering, when Tunnel is not available, traffic falls back to the standard
How to Configure Zscaler GRE Tunnel with Cisco ISR for Internet Security Read More »
This post is to list out the procedures of migrating Ubiquiti Unifi to Cisco Meraki wireless, this includes the common configuration of WLAN and SSID, Radius configuration with Microsoft NPS on Server 2022, and troubleshooting tips when you experience problems. For detailed Microsoft NPS installation and configuration, please check the previous posts: How to Migrate
How to Migrate Ubiquiti Unifi to Cisco Meraki Wireless Read More »
This post is to illustrate the process to migrate DHCP Service from Cisco Core Switch to Window Server 2022, it includes the Cisco IP Phone DHCP option 150 and Option 66. Environment Source: Cisco Catalyst Layer 3 switch Destination: Window Server 2022 Active Directory Domain Controller IP Phone DHCP options were configured on the Core
How to Migrate DHCP Service from Cisco Core Switch to Server 2022 Read More »
