Technical data

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4. Packages

IGMPPROXY_DEBUG By specifying ’yes’ here messages of the IGMP proxy are sent to

syslog.

IGMPPROXY_DEBUG2 By specifying ’yes’ here the log level of the IGMP proxy may be

increased.

IGMPPROXY_QUICKLEAVE_ON With Quickleave the load in the upstream link can be

lowered. If the parameter is enabled by ’yes’, this will cause that the Multicast is

canceled faster after a channel change and so the downstream load is lowered by the

IGMP proxy behaving like a receiver.

If two STBs exist and show the same channel, it may happen (with Quickleave enabled)

that the program is interrupted on one box if switched on the second. When using only

one STB Quickleave may safely be enabled.

IGMPPROXY_QUICKLEAVE_ON='yes' # activate Quickleave mode

# yes or no; Default: yes

IGMPPROXY_UPLOAD_DEV For IPTV operation IGMP proxy requires an upstream and

a downstream interface. The upstream interface is the interface of the NIC attached to

the VDSL modem. This usually should always remain the same.

With the transfer of IPTV to ID8 eth1.8 instead of ppp0 has to be entered in the con-

ﬁguration ﬁle.

IGMPPROXY_UPLOAD_DEV='eth1.8' # Upstream interface; Default: ppp0

# eth1.8 for T-Home/VDSL with id7/id8

IGMPPROXY_DOWNLOAD_DEV The interface of the downstream (NIC for IPTV set-top

box) is set here dependent on the hardware conﬁguration. For ﬂi4l with second NIC eth2

is the interface for the set-top box.

IGMPPROXY_DOWNLOAD_DEV='eth2' # Downstream interface

IGMPPROXY_ALT_N This parameter speciﬁes the number of address ranges for Multicast

streams.

IGMPPROXY_ALT_NET_x By the parameter IGMPPROXY_ALT_NET address ranges

for Multicast traﬃc originating outside of the LAN are deﬁned as well as the local address

range that connects to the STB.

IGMPPROXY_ALT_N='3' # Number of Multicast sources

IGMPPROXY_ALT_NET_1='239.35.0.0/16' # IPTV streams - always needed

IGMPPROXY_ALT_NET_2='217.0.119.0/24' # needed for T-Home

IGMPPROXY_ALT_NET_3='193.158.34.0/23' # needed for T-Home

# before May 2013 '193.158.35.0/24'

# IGMPPROXY_ALT_NET_4='192.168.3.0/24' # Address range IPTV SetTop-Box/not

# needed anymore

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