IEEE 802.1aj-2009
Virtual Bridged Local Area Networks Amendment 11: Two-Port Media Access Control (Mac) Relay
Available Formats:
Availability: Immediate Download
Language: English
License Type: Single User
Updates: Not Included
About This Item
802.1aj-2009 defines a Virtual Bridged Local Area Networks amendment focused on a two-port Media Access Control (MAC) relay. In practical terms, it addresses how bridging behavior is handled within communication and networking systems, helping support consistent LAN design and implementation. As a superseded standard, 802.1aj-2009 remains relevant for understanding legacy network architectures, equipment interoperability, and compliance work where older bridged Ethernet designs still need clear technical reference.
Overview of 802.1aj-2009
This amendment sits within the IEEE 802.1 family of bridged LAN specifications and narrows attention to a two-port MAC relay function. It is part of the technical framework used for virtual bridging in local area networks, where devices forward traffic between network segments according to defined relay behavior. For engineers and procurement teams, the document is useful when evaluating designs that rely on standard bridging concepts and need a precise reference for implementation or review.
Typical use cases
802.1aj-2009 is typically relevant in network equipment and embedded communication systems that implement virtual bridging between two ports. It may apply to switches, relay modules, and other Ethernet-based devices where MAC forwarding behavior must align with a defined standard. The specification can also be useful in lab testing, legacy system support, and technical documentation for products used in enterprise networking, industrial connectivity, or other communication environments built around bridged LAN operation.
Why it matters
Clear standards such as 802.1aj-2009 help reduce ambiguity in design and verification, especially when bridging functions must behave predictably across implementations. For organizations managing older networking platforms, it supports more consistent compliance checks, compatibility assessment, and procurement review. Because it is superseded, it is particularly valuable as a historical technical reference when maintaining or auditing systems that were built to earlier virtual bridged LAN requirements. It can also help reduce integration risk during testing.
- Virtual bridged LAN amendment
- Two-port MAC relay behavior
- IEEE 802.1 technical context
- Legacy interoperability reference
- Superseded standard status
- Publication Date: 2009
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies
- Official IEEE: Doi link
- New Version Available: 802.1 (2025)
- Previous Version: 802.1 (2025)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2024)
- Previous Version: 802.1 (2023)
- Previous Version: 802.1 (2023)
- Previous Version: 802.1 (2023)
- Previous Version: 802.1 (2023)
- Previous Version: 802.1 (2022)
- Previous Version: 802.1 (2022)
- Previous Version: 802.1 (2022)
- Previous Version: 802.1 (2022)
- Previous Version: 802.1 (2022)
- Previous Version: 802.1 (2022)
- Previous Version: 802.1 (2021)
- Previous Version: 802.1 (2021)
- Previous Version: 802.1 (2021)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2020)
- Previous Version: 802.1 (2019)
- Previous Version: 802.1 (2019)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2018)
- Previous Version: 802.1 (2017)
- Previous Version: 802.1 (2017)
- Previous Version: 802.1 (2017)
- Previous Version: 802.1 (2017)
- Previous Version: 802.1 (2017)
- Previous Version: 802.1 (2017)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2016)
- Previous Version: 802.1 (2015)
- Previous Version: 802.1 (2015)
- Previous Version: 802.1 (2015)
- Previous Version: 802.1 (2014)
- Previous Version: 802.1 (2014)
- Previous Version: 802.1 (2014)
- Previous Version: 802.1 (2014)
- Previous Version: 802.1 (2013)
- Previous Version: 802.1 (2013)
- Previous Version: 802.1 (2013)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2012)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2011)
- Previous Version: 802.1 (2010)
- Previous Version: 802.1 (2010)
- Previous Version: 802.1 (2010)
- Previous Version: 802.1 (2010)
- Previous Version: 802.1 (2009)
- Previous Version: 802.1 (2009)
- Previous Version: 802.1 (2009)
- Previous Version: 802.1 (2009)
- This Version: 802.1 (2009)
- Previous Version: 802.1 (2009)
- Previous Version: 802.1 (2008)
- Previous Version: 802.1 (2008)
- Previous Version: 802.1 (2008)
- Previous Version: 802.1 (2008)
- Previous Version: 802.1 (2007)
- Previous Version: 802.1 (2007)
- Previous Version: 802.1 (2006)
- Previous Version: 802.1 (2006)
- Previous Version: 802.1 (2006)
- Previous Version: 802.1 (2005)
- Previous Version: 802.1 (2004)
- Previous Version: 802.1 (2004)
- Previous Version: 802.1 (2003)
- Previous Version: 802.1 (2002)
- Previous Version: 802.1 (2001)
- Previous Version: 802.1 (2001)
- Previous Version: 802.1 (2001)
- Previous Version: 802.1 (2001)
- Previous Version: 802.1 (2001)
- Previous Version: 802.1 (1999)
- Previous Version: 802.1 (1998)
- Previous Version: 802.1 (1997)
- Previous Version: 802.1 (1995)
- Previous Version: 802.1 (1994)
- Previous Version: 802.1 (1993)
- Previous Version: 802.1 (1993)
- Previous Version: 802.1 (1992)
- Previous Version: 802.1 (1991)
- Previous Version: 802.1 (1991)
Please request information about the document. Contact Page
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Need This Standard?
Request a personalized quote today to receive the latest edition in PDF or other available formats.
Summarize with AI
Get quick summaries using your favorite AI engine.
