UniFi - Device Adoption Methods for Remote UniFi Controllers

https://help.ubnt.com/hc/en-us/articles/204909754-UniFi-Layer-3-methods-for-UAP-adoption-and-management

First steps to troubleshoot connectivity problems to or through a FortiGate with sniffer, debug flow, session list, routing table

http://kb.fortinet.com/kb/microsites/search.do?cmd=displayKC&docType=kc&externalId=FD30038&sliceId=2&docTypeID=DT_KCARTICLE_1_1&dialogID=25408103&stateId=1%200%2025406686

Скрытые команды в сетевом оборудовании HP/H3C

Procurve (E-Line):
http://networkgeekstuff.com/networking/procurve-and-hidden-command-line/

H3C (A-Line):
http://networkgeekstuff.com/networking/h3c-and-hp-a-series-hidden-commands/

HP/H3C VRRP Load Balancing

http://networkgeekstuff.com/networking/h3c-proprietary-vrrp-load-balancing/

аналогичная проприетарная технология у Extreme называется VRRP Fabric Routing:
на XOS:
https://gtacknowledge.extremenetworks.com/articles/How_To/An-example-of-VRRP-fabric-routing-configuration-to-achieve-active-active-forwarding-routing-on-all-VRRP-routers

на EOS:
https://gtacknowledge.extremenetworks.com/articles/How_To/How-To-Load-Share-with-Two-EOS-routers-Using-VRRP-Fabric-mode/?l=en_US&fs=RelatedArticle
https://gtacknowledge.extremenetworks.com/articles/Q_A/What-is-the-VRRP-Fabric-Routing-Helper-Router-option/?l=en_US&fs=RelatedArticle

EOS: Basic Switch Layer 2 Configuration Best Practices and minimum feature recommendations

https://gtacknowledge.extremenetworks.com/articles/How_To/EOS-Basic-Switch-Layer-2-Configuration-Best-Practices/?l=en_US&fs=RelatedArticle

Extreme XOS Software Matrices Recommendation

https://www.extremenetworks.com/extreme-hardwaresoftware-compatibility-recommendation-matrices/software-release-recommendations/

Fortinet Auto Discovery VPN (ADVPN)

http://kb.fortinet.com/kb/microsites/microsite.do?cmd=displayKC&docType=kc&externalId=FD39360

http://cookbook.fortinet.com/configuring-advpn-in-fortios-5-4-dynamic-hub-and-spoke-vpns/#comment-3708628335


http://cookbook.fortinet.com/configuring-advpn-fortios-5-4-redundant-hubs-expert/

How to mix ADVPN-aware and non-ADVPN-aware spokes within the same ADVPN Hub-and-Spoke architecture

http://kb.fortinet.com/kb/microsites/search.do?cmd=displayKC&docType=kc&externalId=FD40359

Check Point Gaia - Policy Based Routing (PBR)

https://supportcenter.checkpoint.com/supportcenter/portal?eventSubmit_doGoviewsolutiondetails=&solutionid=sk100500

Fortigate & Conserve mode

FGT80C # diagnose hardware sysinfo conserve

memory conserve mode: off

total RAM: 499 MB

memory used: 430 MB 86% of total RAM

memory used threshold extreme: 473 MB 95% of total RAM

memory used threshold red: 438 MB 88% of total RAM

memory used threshold green: 409 MB 82% of total RAM