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HIRSCHMANN NB2810 NetModule Router User Manual

5.7.16. Redundancy  
This page can be used to set up a redundant pair of NetModule routers (or other systems) by running  
the Virtual Router Redundancy Protocol (VRRP) between them. A typical VRRP scenario defines a  
first host playing the master and another the backup device, they both define a virtual gateway IP  
address which will be distributed by gratuitous ARP messages for updating the ARP cache of all LAN  
hosts and thus redirecting the packets accordingly.  
A takeover will happen within approximately 3 seconds as soon as the partner is not reachable any-  
more (checked via multicast packets). This may happen when one device is rebooting or the Ethernet  
link went down. Same applies when the WAN link goes down.  
LOGOUT  
HOME  
INTERFACES  
ROUTING  
FIREWALL  
VPN  
SERVICES  
SYSTEM  
SDK  
Redundancy  
Rule  
Administration  
Job Management  
Testing  
Id  
Interface  
Address  
DHCP Server  
DNS Server  
NTP Server  
Dynamic DNS  
E-mail  
Events  
SMS  
SSH/Telnet Server  
SNMP Agent  
Web Server  
Softflow  
Discovery  
Redundancy  
Voice Gateway  
NetModule Router Simulator  
Hostname NB1600  
Software Version 4.4.0.103  
© 2004-2020, NetModule AG  
Figure 5.52.: VRRP Configuration  
In case DHCP has been activated, please keep in mind that you will need to reconfigure the DHCP  
gateway address offered by the server and let them point to the virtual gateway address. In order to  
avoid conflicts you may turn off DHCP on the backup device or even better, split the DHCP lease range  
across both routers in order to prevent any lease duplication.  
Parameter  
Redundancy Configuration  
Administrative status  
Administrative status  
NB2810  
173  
User Manual for NRSW version 4.8.0.102  
GeneralDetails
NameHIRSCHMANN NB2810 NetModule Router User Manual
MakeHIRSCHMANN
LanguageEnglish
FiletypePDF (Download)
File size MB
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