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Default Ethernet switch design

A K2 SAN system that ships from Grass Valley with self-contained networks is described as follows. This network and switch configuration meets the K2 SAN Ethernet switch requirements:
  • Switches are HP ProCurve.
  • A non-redundant K2 SAN has a single switch. Redundant K2 SANs have at least two switches to support an “A” media network and a “B” media network.
  • There are three 1 Gig Inter-Switch Links (ISLs) between redundant switches. This is the default configuration for all K2 SANs and provides sufficient bandwidth for most FTP traffic loads.
  • The ISLs are configured as a trunk using LACP. Trunk ports are labeled Trk1.
  • Each switch has two VLANs, with half the switch’s ports on each VLAN. The media (iSCSI) traffic uses one VLAN and all other traffic uses the other VLAN. This “other” traffic can include both FTP and control traffic, as it is allowed that they be on the same VLAN.
  • The control/FTP VLAN ID is 10. The media VLAN ID is 60.
  • IGMP Snooping is enabled on the control/FTP VLAN, to support low-resolution live streaming.
  • Even numbered ports are control/FTP VLAN. Odd numbered ports are media VLAN.
  • The SNMP community name is public and RW permissions are unrestricted. SNMP trap authentication is enabled.
  • Spanning Tree is enabled.
  • If a 10 Gig SFP+ port on the back of the switch connects to a K2 Media Server (FSM) for media (iSCSI) traffic, the port is in the media VLAN. If a 10 Gig SFP+ port connects to a NH10GE K2 Media Server for FTP traffic, the port is in the control/FTP VLAN.
  • If enough “control” ports (non-iSCSI ports) are available on a switch or switches configured for an online K2 SAN, the Nearline system can be connected to those control ports. It is not required that a GigE switch be dedicated to the Nearline system.

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