Moxa EDR-810 User Manual Page 78
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Industrial Secure Router User's Manual EDR-G902/G903 Series Features and Functions
4-20
LAN IP Configuration
IP Address
Setting Description Factory Default
IP Address The LAN interface IP address 192.168.127.254
Subnet Mask
Setting Description Factory Default
Communication Redundancy
Moxa industrial secure router provides a communications redundancy function: WAN backup (EDR-G903 only).
The industrial secure router has two WAN interfaces: WAN1 is the primary WAN interface and WAN2 is the
backup interface. When the industrial secure router detects that connection WAN1 has failed (Link down or Ping
fails), it will switch the communication path from WAN1 to WAN2 automatically. When WAN1 recovers, the
major communication path will return to WAN1.
WAN Backup (EDR-G903 only)
How Dual WAN Backup Works
A power utility at a field site connects to a central office via two different ISPs (Internet Service Providers).
ISP-A uses Ethernet and ISP-B uses satellite for data transmission, with Ethernet used as the major connection
and the satellite as the backup connection. This makes sense since the cost of transmitting through the satellite
is greater than the cost of transmitting over the Ethernet. Traditional solutions would use two routers to
connect to the different ISPs. In this case, if the connection to the primary ISP fails, the connection must be
switched to the backup ISP manually.
The EtherDevice Router’s WAN backup function checks the link status and the connection integrity between the
EtherDevice Router and the ISP or central office. When the primary WAN interface fails, it will switch to the
backup WAN automatically to keep the connection alive.
When configuring the EtherDevice Router, choose one of the two following conditions to activate the backup
path:
• Link Check: WAN1 link down
• Ping Check: Sends ping commands to a specific IP address (e.g., the IP address of the ISP’s server) from
WAN1 based on user configurable Time Interval, Retry, and Timeout.
When the WAN backup function is enabled and the Link Check or Ping Check for the WAN1 interface fails, the
backup interface (WAN2) will be enabled as the primary interface.
- Second Edition, August 2013 1
- Copyright Notice 2
- Trademarks 2
- Disclaimer 2
- Table of Contents 3
- Introduction 5
- Package Checklist 6
- Features 6
- Getting Started 7
- 1, VT100) 8
- Router’s Console 9
- Secure Router 10
- Quick Setting Profile 13
- Step 4: Enable services 15
- System Information 16
- User Account 17
- Create New Account 18
- Modify Existing Account 18
- Delete Existing Account 18
- Date and Time 19
- Warning Notification 20
- System Event Settings 21
- Port Event Settings 22
- Email Settings 22
- Syslog Server Settings 23
- Relay Warning Status 23
- SettingCheck 24
- Restart 27
- Reset to Factory Default 27
- Port Settings 27
- Link Aggregation 29
- The Port Trunking Concept 29
- Port Mirror 30
- Using Virtual LAN 31
- Configuring Virtual LAN 32
- 802.1Q VLAN Settings 33
- Quick Setting Panel 33
- Multicast 34
- Multicast Filtering 35
- IGMP Multicast Filtering 36
- Static Multicast MAC 36
- Enabling Multicast Filtering 36
- IGMP Snooping 37
- IGMP Snooping Settings 37
- IGMP Table 37
- Stream Table 38
- QoS and Rate Control 39
- CoS Mapping 40
- ToS/DSCP Mapping 41
- Rate Limiting 41
- MAC Address Table 42
- Interface 43
- Network Service 46
- DHCP Server 47
- Static DHCP 48
- IP-Port Binding 49
- SNMP Settings 50
- Dynamic DNS 52
- Security 53
- Authentication Certificate 54
- Trusted Access 54
- Monitor 55
- Port Statistics 56
- Event Log 57
- Functions 59
- Configuring Basic Settings 61
- Accessible IP 62
- Password 63
- Configuration File 68
- Network Settings 70
- WAN1 Configuration 71
- Using DMZ Mode 77
- LAN Interface 77
- Communication Redundancy 78
- WAN Backup Configuration 79
- System Log 81
- Routing 83
- Unicast Routing 84
- Routing Table 86
- Network Redundancy 87
- Configuring STP/RSTP 88
- Configuring Turbo Ring V2 90
- Layer 3 Redundant Protocols 92
- Network Address Translation 93
- NAT Concept 94
- 1-to-1 NAT 94
- N-to-1 NAT 96
- Port Forward 97
- Firewall 99
- Policy Concept 100
- Policy Overview 100
- Policy Configuration 100
- EDR-G902/G903) 102
- Quick Automation Profile 104
- Policy Check 106
- Modbus TCP Policy 108
- Overview 114
- IPSec Configuration 114
- IPSec Settings 115
- Key Exchange (IPSec phase I) 117
- IPSec Status 119
- X.509 Certificate 119
- Certificate Generation 120
- Certificate Setting 121
- Local Certificate Upload 121
- L2TP Configuration 122
- VPN Plan 123
- Diagnosis 125
- LLDP Function Overview 126
- LLDP Setting 126
- LLDT Table 127
- MIB Groups 128
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