H04L 49/208
Port mirroring
Official title: {Port mirroring}
H04L49/208 (Port mirroring) appears on 135 US grants and 133 published applications in this corpus.
Search patents in H04L- Granted patents
- 135
- Published applications
- 133
- Assignees
- 74
- Inventors
- 312
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 3 | 3 |
| 2006 | 1 | 3 |
| 2007 | 4 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 2 |
| 2010 | 5 | 3 |
| 2011 | 3 | 4 |
| 2012 | 1 | 4 |
| 2013 | 4 | 3 |
| 2014 | 9 | 7 |
| 2015 | 4 | 6 |
| 2016 | 7 | 8 |
| 2017 | 9 | 5 |
| 2018 | 5 | 8 |
| 2019 | 8 | 12 |
| 2020 | 18 | 17 |
| 2021 | 12 | 15 |
| 2022 | 12 | 7 |
| 2023 | 7 | 5 |
| 2024 | 7 | 6 |
| 2025 | 5 | 3 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- L1 replicator and switch combination using optical fabric29 Sep 2026US 12,750,328 B2Morgan Stanley Services Group Inc.
- Method and system for robust streaming of data4 Aug 2026US 12,701,084 B2
- Preservation of priority traffic in communications systems19 May 2026US 12,634,231 B2ARRIS Enterprises LLC
- Provisioning low latency services in cable television (CATV) networks compliant with low latency DOCSIS (LLD)10 Mar 2026US 12,574,312 B2ARRIS Enterprises LLC
- Fabric control protocol for data center networks with packet spraying over multiple alternate data paths10 Mar 2026US 12,574,339 B2Microsoft Technology Licensing, LLC
- Packet mirroring in virtual networks using disaggregated network functions27 Aug 2026US 2026/0254777 A1Microsoft Technology Licensing, LLC
- Remote switch port mirroring in a network2 Apr 2026US 2026/0095420 A1Avago Technologies International Sales Pte. Limited
- Device access location obtaining method and apparatus29 Jan 2026US 2026/0032040 A1Huawei Technologies Co., Ltd.
- L1 replicator and switch combination using optical fabric23 Oct 2025US 2025/0330431 A1Morgan Stanley Services Group Inc.
- Expansion of packet mirroring functionality24 Apr 2025US 2025/0133029 A1Hewlett Packard Enterprise Development LP
Most cited
By later US patents
- Switching device, method, and computer program for efficient intrusion detection304US 7,849,506 B1Avaya Inc. · 2010
- Network switch98US 6,850,521 B1Broadcom Corporation · 2005
- Method for handling IP multicast packets in network switch72US 6,707,817 B1Broadcom Corporation · 2004
- Method for providing location independent dynamic port mirroring on distributed virtual switches65US 8,645,952 B2International Business Machines Corporation · 2014
- Mirroring in a stacked network switch configuration53US 6,839,349 B2Broadcom Corporation · 2005