Author: Ed Itor

Javascript based Cisco neXt looks pretty good. Can easily add custom icon
developer.cisco.com/site/neXt/discover/demo/#Basic/customize
no recent updates github.com/NeXt-UI/next github.com/opendaylight/next
?See also www.digitalocean.com/community/tutorials/how-to-create-diagrams-in-python-with-diagram-as-code

Anyone have any good recommendations for network diagram software?
Any easy data driven models like from a table of your devices? yEd looks like a winner, free for any purpose, download and run local www.yworks.com/products/yed
Seems like everything most options are cloud based with a monthly fee.
Props for asciiflow, just sketch some simple stuff and paste it into notepad. No account, no BS. asciiflow.com
One free local install is Network Notepad, but the free version is rudimentary. www.networknotepad.com/download.shtml
For online: Creatly, SmartDraw and Lucid show up often on lists.
Some lists here: logicalread.com/network-diagrams/#intermapper www.maketecheasier.com/5-best-free-alternatives-to-microsoft-visio/
Microsoft has an article on data driven visio support.microsoft.com/en-us/office/create-a-detailed-network-diagram-in-visio-linked-to-external-data-495cd74f-0eae-497a-b020-ed0824f4d9d3

Johannes, Executive Chef at the Storm Center has a post on researchers that scan the internet.
It includes 30 different entities, including well known internet census service providers shodan, censys, and shadowserver.
isc.sans.edu/diary/Update%3A%20Researchers%20scanning%20the%20Internet/30102

All the details are here forum.openwrt.org/t/route-each-lan-port-through-a-separate-vpn/166549

In this forum example, it is used for VPN forum.openwrt.org/t/wireguard-vpn-not-working/166385/14
In another forum example a custom gateway is defined for a specific host for testing. forum.openwrt.org/t/conditional-dhcp/70441/8
The main docs has more examples openwrt.org/docs/guide-user/base-system/dhcp_configuration

simple conntrack based monitoring
github.com/jow-/nlbwmon

Use the macchanger command in a script in /etc/init.d
more… forum.openwrt.org/t/how-to-randomize-the-wan-mac-address-on-each-reboot/151791/11

A keen idea. If you lose access to your router. Have a script pre-configured to run on push of button. Script outputs troubleshoot data to local directory for later review. Idea could be expanded. How would you do it?
forum.openwrt.org/t/debug-general-information/164586