diff --git a/acronyms.tex b/acronyms.tex index 76bf31c..fea1d76 100644 --- a/acronyms.tex +++ b/acronyms.tex @@ -1,12 +1,16 @@ \newacronym{adsl}{ADSL}{Asymmetric Digital Subscriber Line} \newacronym{ap}{AP}{Access Point} +\newacronym{arin}{ARIN}{American Registry for Internet Numbers} \newacronym{arp}{ARP}{Address Resolution Protocol} \newacronym{avf}{AVF}{Active Virtual Forwarder} \newacronym{avg}{AVG}{Active Virtual Gateway} +\newacronym{bb}{BB}{BitBucket} \newacronym{bgp}{BGP}{Border Gateway Protocol} \newacronym{bpdu}{BPDU}{Bridge Protocol Data Unit} +\newacronym{bsd}{BSD}{Berkeley Software Distribution} \newacronym{carp}{CARP}{Common Address Redundancy Protocol} \newacronym{cdp}{CDP}{Cisco Discovery Protocol} +\newacronym{cia}{CIA}{Central Intelligence Agency} \newacronym{cli}{CLI}{Command Line Interface} \newacronym{cst}{CST}{Common Spanning Tree} \newacronym{cest}{CEST}{Central European Summer Time} @@ -16,24 +20,36 @@ \newacronym{dhcp}{DHCP}{Dynamic Host Control Protocol} \newacronym{dknog}{DKNOG}{Danish Network Operators' Group} \newacronym{dns}{DNS}{Domain Name System} +\newacronym{dr}{DR}{Danmarks Radio} \newacronym{dsl}{DSL}{Digital Subscriber Line} \newacronym{dst}{dst}{destination} \newacronym{dwdm}{DWDM}{} \newacronym{eap}{EAP}{Extensible Authentication Protocol} \newacronym{eapol}{EAPoL}{Extensible Authentication Protocol over Local Area Network} +\newacronym{eff}{EFF}{Electronic Frontier Foundation} \newacronym{eigrp}{EIGRP}{Enhanced Interior Gateway Routing Protocol} \newacronym{erspan}{ERSPAN}{Encapsulated Remote Switch Port Analyzer} \newacronym{evpn}{EVPN}{Ethernet Virtual Private Network} +\newacronym{fbi}{FBI}{Federal Bureau of Investigation} \newacronym{fhrp}{FHRP}{First Hop Redundancy Protocol} \newacronym{ftp}{FTP}{File Transfer Protocol} \newacronym{ftps}{FTPS}{File Transfer Protocol Secure} +\newacronym{gh}{GH}{GitHub} +\newacronym{gl}{GL}{GitLab} \newacronym{glbp}{GLBP}{Gateway Load Balancing Protocol} +\newacronym{gpl}{GPL}{GNU General Public License} \newacronym{gps}{GPS}{Global Positioning System} \newacronym{gprs}{GPRS}{General Packet Radio Service} \newacronym{gsm}{GSM}{Global System for Mobile communications} \newacronym{ha}{HA}{High Availability} \newacronym{hsrp}{HSRP}{Hot-Standby Routing Protocol} +\newacronym{http}{HTTP}{Hypertext Transfer Protocol} +\newacronym{https}{HTTPS}{Hyper Text Transfer Protocol Secure} +\newacronym{iab}{IAB}{Internet Architecture Board} +\newacronym{iana}{IANA}{Internet Assigned Numbers Authority} +\newacronym{icann}{ICANN}{Internet Corporation for Assigned Names and Numbers} \newacronym{ieee}{IEEE}{Institute of Electrical and Electronics Engineers} +\newacronym{ietf}{IETF}{Internet Engineering Task Force} \newacronym{igrp}{IGRP}{Interior Gateway Routing Protocol} \newacronym{imap}{IMAP}{Internet Message Access Protocol} \newacronym{ios}{IOS}{Internetwork Operating System} @@ -43,7 +59,9 @@ \newacronym{ipv4}{IPv4}{Internet Protocol v4} \newacronym{ipv6}{IPv6}{Internet Protocol v6} \newacronym{irc}{IRC}{Internet Relay Chat} +\newacronym{irtf}{IRTF}{Internet Research Task Force} \newacronym{isis}{IS-IS}{Intermediate System to Intermediate System} +\newacronym{isoc}{ISoc}{Internet Society} \newacronym{isp}{ISP}{Internet Service Provider} \newacronym{junos}{JUNOS}{Juniper Network Operating System} \newacronym{l2}{L2}{Layer 2} @@ -54,12 +72,14 @@ \newacronym{lldp}{LLDP}{Link Layer Discovery Protocol} \newacronym{mac}{MAC}{Media Access Control address} \newacronym{mec}{MEC}{Multichannel EtherChannel} +\newacronym{mit}{MIT}{Massachusetts Institute of Technology} \newacronym{mkc}{MKC}{Mikkel Kr\char"00F8ll} \newacronym{metdst}{MET-DST}{Middle European Time Daylight Saving Time} \newacronym{mhsrp}{MHSRP}{Multigroup Hot-Standby Routing Protocol} \newacronym{mpls}{MPLS}{Multiprotocol Label Switching} \newacronym{mst}{MST}{Multiple Spanning Tree} \newacronym{nms}{NMS}{Network Management Software} +\newacronym{nsa}{NSA}{National Security Agency} \newacronym{nsf}{NSF}{Nonstop Forwarding} \newacronym{ntp}{NTP}{Network Time Protocol} \newacronym{osi}{OSI}{Open Systems Interconnection} @@ -73,8 +93,11 @@ \newacronym{pvrst+}{PVRST+}{Per Vlan Rapid Spanning Tree Plus} \newacronym{pvst}{PVST}{Per Vlan Spanning Tree} \newacronym{pvst+}{PVST+}{Per Vlan Spanning Tree Plus} +\newacronym{rdap}{RDAP}{Registration Data Access Protocol} \newacronym{rfc}{RFC}{Request For Comments} \newacronym{rip}{RIP}{Routing Information Protocol} +\newacronym{ripe}{RIPE NCC}{Réseaux IP Européens Network Coordination Centre} +\newacronym{ros}{ROS}{MikroTik RouterOS} \newacronym{rpr}{RPR}{Route Processor Redundancy} \newacronym{rpr+}{RPR+}{Route Processor Redundancy Plus} \newacronym{rspan}{RSPAN}{Remote Switch Port Analyzer} @@ -92,12 +115,14 @@ \newacronym{span}{SPAN}{Switch Port Analyzer} \newacronym{src}{src}{source} \newacronym{ssh}{SSH}{Secure Shell} +\newacronym{ssl}{SSL}{Secure Socket Layer} \newacronym{sso}{SSO}{Stateful Switchover} \newacronym{stp}{STP}{Spanning Tree Protocol} \newacronym{tcn}{TCN}{Topology Change Notification} \newacronym{tcp}{TCP}{Transmission Control Protocol} \newacronym{tftp}{TFTP}{Trivial File Transfer Protocol} \newacronym{tldr}{TL;DR}{To Long; Didn't Read} +\newacronym{tls}{TLS}{Transport Layer Security} \newacronym{tlv}{TLV}{Type, Length, Value} \newacronym{toc}{ToC}{Table of Contents} \newacronym{tosdr}{ToS;DR}{Terms of Service; Didn't Read} diff --git a/chapter/mgmt.tex b/chapter/mgmt.tex index 9c82a72..9d0b6f9 100644 --- a/chapter/mgmt.tex +++ b/chapter/mgmt.tex @@ -456,7 +456,7 @@ The server park churning out numbers, reports, handling image processing, journa >>\hskip2mm\textbf{All hells lose somewhere!}\hskip2mm<< \end{center} -\section{Network Nodes} +\section[Stacking]{Stacking of {\footnotesize Network} Switches} \begin{center} Cisco proposes \textbf{StackWise for Access} and \textbf{\gls{vss} for Aggregation} Layer modules. @@ -488,11 +488,24 @@ Go all the way and do consider if Supervisor Redundancy is a necessary requireme \item View members status of stack ports: \cliline{show switch stack-ports} \end{itemize} +\newpage + \subsection[VSS]{Virtual Switch Stacking} +Activating switch stacking means you get a single control plane for all +switches in a \gls{vss} stack. The stack master switch gets to have the active +control plane. With help of \gls{sso} \& \gls{nsf} data + switch fabric is kept +in sync between stack members. This way no communication is lost when failures +\textbf{do} happen at some point. + \fig{vss/vss2}{vss2}{How the access layer sees a \gls{vss}} -\newpage +\textbf{Benefits} with \gls{vss} technology is +\begin{enumerate} + \item Simplified topology, + \item use of \gls{mec} to provide loop-free topology, + \item with \gls{mec} \gls{fhrp} + \gls{stp} can be avoided. +\end{enumerate} \section[FHRP]{First Hop Redundancy Protocol}