Hello
I have a net5501 running 0.6.7 geni586. Installed is a Berofix card
with BRI daughterboard. This card interfaces with its host via the
8139too driver. It therefore behaves like a PCI NIC, and communication
with it is via SIP. Its "internal" IP address is 10.0.0.2. I have
assigned its "external" IP address (the one facing the host net5501)
as 10.0.0.1. This is the problem I have:
To begin with everything works fine. Then after a while, incoming
calls on the BRI fail. They get as far as the Berofix, but they seem
not to get to Asterisk. The strange thing is that, if I then make an
outgoing call to the BRI, incoming calls then work for a while. After
that, they fail again, and so on.
Although I have a support ticket open with Beronet, I thought it would
be wise to ask if there might be anything which will need configuring
in Arno's firewall to make sure this can work.
What I currently have is this, which, to be honest, is a bit of an
accretion of things over the past week or so to get it to work (eth0
is LAN, eth1 is DSL WAN, eth4 is Berofix):
rothburypbx ~ # cat /mnt/kd/rc.elocal
modprobe 8139too
ifconfig eth4 10.0.0.1 netmask 255.255.255.0 up
echo 1 > /proc/sys/net/ipv4/ip_forward
ip route add to 10.8.243.0/24 via 10.4.0.1 dev eth0
ip route add to 10.0.0.0/24 via 10.0.0.1 dev eth4
Ignore the 10.8.243.0 route - that is over a VPN to head office, so
that voicemail emails can get to our mail server. The 10.0.0.0 is one
I tried adding, but I don't think it is necessary, given that IP
forwarding is enabled - is that correct?
rothburypbx ~ # ifconfig
eth0 Link encap:Ethernet HWaddr 00:00:24:CA:69:50
inet addr:10.4.0.4 Bcast:10.4.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:155482 errors:0 dropped:0 overruns:0 frame:0
TX packets:161478 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:20548336 (19.5 MiB) TX bytes:40788444 (38.8 MiB)
Interrupt:11 Base address:0xe100
eth1 Link encap:Ethernet HWaddr 00:00:24:CA:69:51
inet addr:[snip] Bcast:[snip] Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:286 errors:0 dropped:0 overruns:0 frame:0
TX packets:161 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:28124 (27.4 KiB) TX bytes:16787 (16.3 KiB)
Interrupt:5 Base address:0xe200
eth4 Link encap:Ethernet HWaddr 00:50:C2:83:D2:21
inet addr:10.0.0.1 Bcast:10.0.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:159461 errors:0 dropped:0 overruns:0 frame:0
TX packets:138654 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:48203478 (45.9 MiB) TX bytes:27064171 (25.8 MiB)
Interrupt:10 Base address:0x4400
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:46 errors:0 dropped:0 overruns:0 frame:0
TX packets:46 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:23432 (22.8 KiB) TX bytes:23432 (22.8 KiB)
rothburypbx ~ # route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
[DSL subnet] * 255.255.255.248 U 0 0 0 eth1
10.8.243.0 10.4.0.1 255.255.255.0 UG 0 0 0 eth0
10.0.0.0 * 255.255.255.0 U 0 0 0 eth4
10.4.0.0 * 255.255.255.0 U 0 0 0 eth0
224.0.0.0 * 240.0.0.0 U 0 0 0 eth0
default [DSL router] 0.0.0.0 UG 0 0 0 eth1
To begin with, I had no firewall rules set up relating to the Berofix,
only to incoming connections on the DSL WAN. I tried using the GUI to
set the Berofix (eth4) as the DMZ, and then added allow DMZ>local
rules for TCP and UDP 0:65535. Still the same symptoms.
Can anyone see an obvious error in how I have things set up?
Thanks again
Tom
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