5 TELLICAST AND SYSTEM CONFIGURATION SETUP
5.1 Tellicast Setup
After the steps above have been completed, the Tellicast application must be given the fixed
IP of the dummyo interface from which the data can be taken:
In the configuration file cast-client_xxx.ini the “interface_address” must be set to the
dummy0 IP Address:
interface_address=192.168.238.238
This is automatically done by the dvb-eumetcast (version 1.2 or later) installation
script, if dvb-eumetcast is installed after tellicast-client.
5.2 Firewall
Make sure the firewall allows traffic from the interface address in 4.1!
5.3 System Configuration Setup
This section is for information only, as the packages will make the configuration already.
In order to allow unrestricted multicast from network interfaces under Linux reception host, a set of system
parameters must be configured correctly. This is automatically done by the tellicast-client installation routines
and includes following parameters:
# vi /etc/sysctl.conf
net.ipv4.conf.default.rp_filter = 0
net.ipv4.conf.all.rp_filter = 0
net.ipv4.ip_forward = 1
net.core.rmem_max = 9000000
net.core.wmem_max = 9000000
Then run :
# sysctl -p /etc/sysctl.conf
to refresh with the new configuration.
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