Acquisition History / Cisco / Summa Four
Cisco Acquires Summa Four
Announced July 28, 1998 — $116M
What happened
Summa Four was a company providing lAN switching, acquired by Cisco.
- Acquirer
- Cisco
- Target
- Summa Four
- Announced
- July 28, 1998
- Price
- $116M
- Industry
- LAN switching
By the numbers
Frequently Asked Questions About This Acquisition
When did Cisco acquire Summa Four?
Cisco acquired Summa Four on July 28, 1998. This was Cisco's 26th publicly tracked acquisition out of 233 we have on record.
How much did Cisco pay for Summa Four?
Cisco paid $116M for Summa Four.
What does Summa Four do?
Summa Four was a company providing lAN switching, acquired by Cisco.
What other LAN switching companies has Cisco acquired?
Cisco has made 9 acquisitions in LAN switching, including Summa Four. See the full list on the LAN switching and Cisco acquisition pages.
More Cisco acquisitions
EzDubs, Inc.
Undisclosed · 2025
NeuralFabric
Undisclosed · 2025
Aura Asset Intelligence
Undisclosed · 2025
SnapAttack
Undisclosed · 2024
Deeper Insights AI Ltd
Undisclosed · 2024
More LAN switching acquisitions
Cisco acquires Topspin Communications
$250M · 2005
Cisco acquires Netiverse
$210M · 2000
Cisco acquires Arrowpoint Communications
$5.70B · 2000
Cisco acquires PentaCom
$118M · 2000
Cisco acquires Nashoba Networks
$100M · 1996