Optimization for Streaming about DM8000HD

Send commands below,

# Buffers réseau plus grands
sysctl -w net.core.rmem_max=16777216
sysctl -w net.core.rmem_default=4194304
sysctl -w net.core.wmem_max=16777216
sysctl -w net.core.wmem_default=4194304

# UDP (très important pour IPTV)
sysctl -w net.ipv4.udp_mem="4096 87380 16777216"
sysctl -w net.ipv4.udp_rmem_min=8192
sysctl -w net.ipv4.udp_wmem_min=8192

# Pour rendre permanent
echo "net.core.rmem_max=16777216" >> /etc/sysctl.conf
echo "net.core.rmem_default=4194304" >> /etc/sysctl.conf
# etc.