1
Rana Dayal, Donald B Grosser, Michael D Mroz, Daniel L Schweitzer: Methods and systems for hitless switch management module failover and upgrade. Extreme Networks, Jenkins Wilson Taylor & Hunt P A, January 27, 2009: US07483370 (139 worldwide citation)

Methods and systems for hitless switch management module failover and upgrade are disclosed. According to one method, a master switch management module participates in network protocols and performs packet forwarding operations. The master switch management module distributes protocol state and pack ...


2
John Kevin Frick, Donald B Grosser, Michael D Mroz: Methods and systems for hitless restart of layer 3 packet forwarding. Extreme Networks, Jenkins Wilson Taylor & Hunt P A, April 22, 2008: US07362700 (32 worldwide citation)

A method for hitless restart of layer 3 packet forwarding includes replicating some but not all state information from a master management service module to a slave management service module. The master management service module builds a layer 3 routing table by participating in layer 3 routing prot ...


3
Donald B Grosser, Michael D Mroz: Methods and systems for hybrid hardware- and software-base media access control (MAC) address learning. Extreme Networks, Jenkins Wilson Taylor & Hunt P A, February 9, 2010: US07660259 (23 worldwide citation)

Methods and systems for hybrid layer 2 address learning are disclosed. In one method, a packet with a layer 2 source address is received. Next, it is determined whether to implement hardware-based learning or software-based learning based on a classification of the received packet. In response to de ...


4
Donald B Grosser Jr, Michael D Mroz, Hood L Richardson: Methods, systems, and computer readable media for conserving multicast port list resources in an internet protocol (IP) packet forwarding device. Extreme Networks, Jenkins Wilson Taylor & Hunt P A, June 26, 2012: US08208418 (8 worldwide citation)

The subject matter described herein includes methods and systems for conserving multicast port lists in an IP packet forwarding device. According to one embodiment, the method includes providing an IP multicast packet port data structure containing at least a first port list and a second port list. ...


5
Louis A Dernosek, Donald B Grosser, Michael D Mroz, Hood L Richardson Jr: Methods, systems, and computer program products for providing accidental stack join protection. Extreme Networks, Jenkins Wilson Taylor & Hunt P A, February 14, 2012: US08117336

The subject matter described herein includes methods and systems for providing accidental stack join protection. According to one embodiment, a method includes connecting stacking ports of a first switch that is a member of a first stack and a second switch that is a member of a second stack and the ...


6
John Kevin Frick, Donald B Grosser, Michael D Mroz: Methods and systems for hitless restart of layer 3 packet forwarding. Jenkins & Wilson Pa, January 1, 2004: US20040001485-A1

A method for hitless restart of layer 3 packet forwarding includes replicating some but not all state information from a master management service module to a slave management service module. The master management service module builds a layer 3 routing table by participating in layer 3 routing prot ...


7
Louis A Dernosek, Donald B Grosser, Michael D Mroz, Hood L Richardson JR: Methods, systems, and computer program products for providing accidental stack join protection. Extreme Networks, Jenkins Wilson Taylor & Hunt P A, December 4, 2008: US20080301319-A1

The subject matter described herein includes methods and systems for providing accidental stack join protection. According to one embodiment, a method includes connecting stacking ports of a first switch that is a member of a first stack and a second switch that is a member of a second stack and the ...