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Networking

https://www.digitalocean.com/community/tutorials/an-introduction-to-networking-terminology-interfaces-and-protocols
Service Provider vs. Enterprise Security – Is There a Difference? https://forums.juniper.net/t5/Security/Service-Provider-vs-Enterprise-Security-Is-There-a-Difference/ba-p/215927

MPLS
https://www.networkworld.com/article/2297171/network-security-mpls-explained.html
Cisco Chapter: Understanding and Configuring VLANs
https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst4500/12-2/25ew/configuration/guide/conf/vlans.html
https://he.net/ip_transit.html

https://www.nirsoft.net/utils/country_traceroute.html
https://sourceforge.net/projects/winmtr/
https://www.bentasker.co.uk/blog/general/280-on-networks-pl500-powerline-adapters
https://study-ccna.com/collision-broadcast-domain/
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/layer-2-understanding.html
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/5_x/nx-os/layer2/configuration/guide/Cisco_Nexus_7000_Series_NX-OS_Layer_2_Switching_Configuration_Guide_Release_5-x_chapter3.html

Layer Protocol data unit
L7
L6
L5
L4 Transport Segment Port number? Applications?
L3 Network/Internet Packet IP address Routers, Layer 3 switches
L2 Data Link Frame MAC address Switches, Bridges, Wifi access points
L1 Physical bits Hubs, 2.4Ghz radio?

Bogon packets https://ctovision.com/help-bogons-are-in-my-networks/
https://subspacepowered.medium.com/pedal-to-the-metal-radically-improve-matchmaking-through-expanded-gaming-access-46042d82bddb

Cisco

SSL certificates

MTU

Wifi

ISM, Industrial, Scientific and Medical bands
Wired.com Why Everything Wireless Is 2.4 GHz
https://www.wired.com/2010/09/wireless-explainer/
Electronics-Notes.com - Wi-Fi Channels, Frequencies, Bands & Bandwidths
https://www.electronics-notes.com/articles/connectivity/wifi-ieee-802-11/channels-frequencies-bands-bandwidth.php
Netgear wifi analytics Android Play Store https://play.google.com/store/apps/details?id=com.netgear.WiFiAnalytics
BT Router problems with wifi https://www.bbc.co.uk/news/technology-56949262.amp

Routers

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networking.txt · Last modified: 2021/05/08 12:55 by richard