Hirschmann RS20 User Manual

Contents
Basic Configuration
Release 6.0 07/2010
5
7.2 SNTP 100
7.2.1 Description of SNTP 100
7.2.2 Preparing the SNTP Configuration 101
7.2.3 Configuring SNTP 102
7.3 Precision Time Protocol 106
7.3.1 Description of PTP Functions 106
7.3.2 Preparing the PTP Configuration 110
7.3.3 Application Example 112
7.4 Interaction of PTP and SNTP 117
8 Network Load Control 119
8.1 Direct Packet Distribution 120
8.1.1 Store-and-forward 120
8.1.2 Multi-Address Capability 120
8.1.3 Aging of Learned Addresses 121
8.1.4 Entering Static Addresses 122
8.1.5 Disabling the Direct Packet Distribution 123
8.2 Multicast Application 125
8.2.1 Description of the Multicast Application 125
8.2.2 Example of a Multicast Application 126
8.2.3 Description of IGMP Snooping 127
8.2.4 Setting IGMP Snooping 128
8.2.5 Description of GMRP 133
8.2.6 Setting GMRP 135
8.3 Rate Limiter 137
8.3.1 Description of the Rate Limiter 137
8.3.2 Rate Limiter Settings (PowerMICE and MACH 4000) 138
8.3.3 Rate Limiter settings for
RS20/RS30/40, MS20/MS30, RSR20/RSR30,
MACH 100, MACH 1000 and OCTOPUS 139
8.4 QoS/Priority 141
8.4.1 Description of Prioritization 141
8.4.2 VLAN tagging 142
8.4.3 IP ToS / DiffServ 144
8.4.4 Management prioritization 148
8.4.5 Handling of Received Priority Information 148
8.4.6 Handling of Traffic Classes 149
8.4.7 Setting prioritization 149
8.5 Flow Control 154
8.5.1 Description of Flow Control 154
8.5.2 Setting the Flow Control 156
8.6 VLANs 157

Hirschmann RS20 Specifications

General

Mounting	DIN Rail
Operating Temperature	-40°C to +70°C
Protection Class	IP30
Switching Technology	Store-and-Forward
Product Type	Industrial Ethernet Switch
Port Details	10/100 Mbps Ethernet ports
Switching Capacity	3.2 Gbps
MAC Address Table	8k
Management	Web, SNMP
Redundancy	MRP
Ports	8 or 16