Nilson Lopes noslin005

Socat

Receiver

socat -d -d UDP-RECV:9000,ip-add-membership=239.0.0.1:0.0.0.0,interface=eth0,reuseaddr FILE:/dev/ttyS1,raw,echo=0
socat -d -d UDP-RECV:9000,ip-add-membership=239.0.0.1:0.0.0.0,interface=eth0,reuseaddr PTY,raw,echo=0,link=/tmp/virtual-tty
socat -d -d UDP-RECV:9000,ip-add-membership=239.0.0.1:0.0.0.0,reuseaddr SYSTEM:'tee /dev/ttyS1 > /tmp/mirror'

" Show line numbers
set number

" Allow normal pasting
set paste

" Set NPC analogues for set list
set listchars=eol:¬,tab:>-,trail:█,extends:>,precedes:<

VXLAN+VLAN+BRIDGE+LINUX

Both Host A and Host B are running Linux with identical VXLAN and VLAN aware bridge configurations.
They communicate through a VXLAN overlay (ID 100) carried over multicast (239.1.1.1) on UDP port 4789.
VLANs are extended across the VXLAN tunnel.
Subinterfaces br0.10 and br0.20 provide access to specific VLAN networks (10 and 20).
Devices on the same VLAN across hosts can directly communicate as if they are on the same Layer 2 segment.

Use iproute2 tools (testing)

Firewall

# INTERNAL ZONE
firewall-cmd --set-default-zone=internal
firewall-cmd --zone=internal --add-interface=bond0 --permanent
firewall-cmd --zone=internal --add-service={dhcp,tftp,http,https,dns,nfs,mountd,rpc-bind} --permanent

DHCP

Adjust Resolution

export DISPLAY=:1 
xrandr -q
xrandr --newmode "1920x1080"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
xrandr --addmode Virtual-1 1920x1080
xrandr --output Virtual-1 --mode 1920x1080

https://medium.com/@nicolas.belan/how-i-set-up-my-openvswitch-bridge-with-networkmanager-in-less-than-5-minutes-ec54e340004e

https://datatracker.ietf.org/doc/html/rfc7047

https://manintheit.org/2019/12/17/creating-vlans-on-kvm-with-openvswitch/

https://www.juniper.net/documentation/en_US/contrail21/topics/topic-map/setting-up-contrail-rhosp-infrastructure.html

https://blog.christophersmart.com/2020/07/27/how-to-create-linux-bridges-and-open-vswitch-bridges-with-networkmanager/ https://github.com/k8snetworkplumbingwg/ovs-cni/blob/main/docs/demo.md

	unbind C-b
	set-option -g prefix C-a
	bind-key C-a send-prefix

	bind \| split-window -h
	bind - split-window -v
	unbind '"'
	unbind %

	bind -n F5 setw synchronize-panes

	[:b1dcc9dd-5262-4d8d-a863-c897e6d979b9]
	background-color='rgb(23,20,33)'
	font='Cascadia Code 16'
	foreground-color='rgb(208,207,204)'
	palette=['rgb(0,0,0)', 'rgb(205,0,0)', 'rgb(0,205,0)', 'rgb(205,205,0)', 'rgb(0,0,238)', 'rgb(205,0,205)', 'rgb(0,205,205)', 'rgb(229,229,229)', 'rgb(127,127,127)', 'rgb(255,0,0)', 'rgb(0,255,0)', 'rgb(255,255,0)', 'rgb(92,92,255)', 'rgb(255,0,255)', 'rgb(0,255,255)', 'rgb(255,255,255)']
	use-system-font=false
	use-theme-colors=true

	authoritative;
	allow bootp;
	default-lease-time 600;
	max-lease-time 7200;
	log-facility local0;
	ddns-update-style none;

	# Parent class for all test
	class "test" {
	match concat(

	slack-vm1:
	default_gateway: 192.168.1.1
	interfaces:
	- name: eth0
	addresses:
	- 192.168.1.21/24
	vlan: 100 # VLAN tag for an access port
	- name: eth2
	addresses:
	- 10.12.0.10/16