Zen Internet Support Forum

I just got it working on my new ST585.
So far only got it to work with Realplayer 10 and got server error with Media player Mediaplayer 11.
Still a little querkie but not bad.

---

Ken

Zen Active 8000

By the time a family pays off the mortgage for a home in the suburbs, the home isn't home,and the suburbs aren't suburbs.

I still have not got it working (using D-Link DSL_G604T) again.
Have now given up on the idea. Dont think it is worth the hassle, unless somebody can come up with quick and easy remedy

That's crucial info about the 1 hop and IGMP proxy..

I found this project

http://sourceforge.net/projects/igmpproxy

And so long as you create a valid config file for it it works a treat.. I watched Spain vs Tunisia on VLC via H.264 without any problems last night ;-)

That is:  Zen ---> USR 9105 ---> Clark Connect (RHES) ---> LAN

Get the igmpproxy config wrong and it will core dump (it is beta)

Special thanks to Clark Connect support for figuring out the firewall rules and correct config.

So the steps were:

1. Adding the 224.0.0.0/4 route on the WAN interface (although I think igmpproxy sorts this out for you)
2. Add the following rules to iptables.. note 192.168.1.1 is the USR 9105 address and 132.185.0.0/16 is bbc network (Zen can you help me narrow this rule?)

iptables -I INPUT -t filter -s 192.168.1.1 -d 224.0.0.0/4 -j ACCEPT
iptables -I FORWARD -t filter -s 192.168.1.1 -d 224.0.0.0/4 -j ACCEPT
iptables -I FORWARD -t filter -s 132.185.0.0/16 -j ACCEPT

3. Here is my igmpproxy.conf file.. here eth3 is my lan, eth2 is my Zen ADSL and eth1 is NTL cable,
eth0 (disabled)

-----------------------
########################################################
#
#   Example configuration file for the IgmpProxy
#   --------------------------------------------
#
#   The configuration file must define one upstream
#   interface, and one or more downstream interfaces.
#
#   If multicast traffic originates outside the
#   upstream subnet, the "altnet" option can be
#   used in order to define legal multicast sources.
#   (Se example...)
#
#   The "quickleave" should be used to avoid saturation
#   of the upstream link. The option should only
#   be used if it's absolutely nessecary to
#   accurately imitate just one Client.
#
########################################################

##------------------------------------------------------
## Enable Quickleave mode (Sends Leave instantly)
##------------------------------------------------------
quickleave


##------------------------------------------------------
## Configuration for eth0 (Upstream Interface)
##------------------------------------------------------
phyint eth2 upstream  ratelimit 0  threshold 1
        altnet 132.185.0.0/16
#        altnet 10.0.0.0/8
#        altnet 192.168.0.0/24
#        altnet 192.168.1.0/24


##------------------------------------------------------
## Configuration for eth1 (Downstream Interface)
##------------------------------------------------------
phyint eth3 downstream  ratelimit 0  threshold 1


##------------------------------------------------------
## Configuration for eth2 (Disabled Interface)
##------------------------------------------------------
phyint eth1 disabled
phyint eth0 disabled

-----------------------

Cisco 837 config

Followed the instructions up until:

router(config-if)#ip pim
                      ^
% Invalid input detected at '^' marker.

and there is nothing there that seems to enable this command. All the 'ip igmp' commands seem to do stuff but:

show ip igmp int d 1
Dialer1 is up, line protocol is up
  Interface is unnumbered. Using address of Ethernet0 (82.68.205.6)
  IGMP is disabled on interface
  Multicast routing is disabled on interface
  Multicast TTL threshold is 0
  No multicast groups joined by this system

(this is without any igmp commands)

There seems to be nothing I can do to enable IGMP on any interface, how do I enable it?

My version:

ROM: System Bootstrap, Version 12.2(8r)YN, RELEASE SOFTWARE (fc1)
ROM: C837 Software (C837-K9O3Y6-M), Version 12.3(2)T6,  RELEASE SOFTWARE (fc1)

In a pure routed config (ie the router is just that, no NAT, /29 network on E 0) does one actually need to have any recognition of IGMP at all? All I want it to do is route IGMP backwards and forwards across the interface.

I have tried ip mroute ... but that does not seem to do anything.

No IGMP comes out of the Ethernet interface.

It won't. IGMP is not a routable protocol - it is transmitted with a TTL of 1 so as not to traverse more than 1 hop, as its only intended to comunicate with the next router down the line.

If your IOS is not PIM capable (i.e. is incapable of full Multicast routing) then it needs to act as an IGMP proxy.
All the configs that people have posted so-far seem to be for PIM capable IOS versions.

I'm not 100% sure of the details of how an IGMP proxy is supposed to work, but presumably it retransmits IGMP messages received on an interface marked as upstream to the interface marked as downstream and vice versa (with a corrected TTL), and probably also just broadcasts multicast streams when they are received on the upstream interface to the interface marked as downstream, without making any special note of the GDA or interface it applies to from the IGMP Reports.

---

Kindest regards,

James Sweet
http://www.zen.co.uk

smapjb:

2. Add the following rules to iptables.. note 192.168.1.1 is the USR 9105 address and 132.185.0.0/16 is bbc network (Zen can you help me narrow this rule?)

According to the Plusnet UserGroup site the BBC Multicast streams are transmitted with a source address of: 132.185.225.71, and destination address (GDAs) in the range: 233.122.227.1 to 233.122.227.254

I've not yet confirmed this myself, but should be accurate.

---

Kindest regards,

James Sweet
http://www.zen.co.uk

Thought i'd share this

Streaming to itunes and then to airport express using VLC

I used VLC Streaming/Exporting wizard to successfully transcode and stream from aac multicast to mp3 over http with raw encapsulation..

Once the transcoding stream is up and started connect to it by clicking Advanced -> open stream
enter http://[machine_running_vlc]>:8080

Then select multiple speakers for perfect in sync crystal clear bbc radio all over the house

nice ;-)

Working fine here :)

Only in player.....not in browser.

---

Zen 8000 Pro - 3Com OfficeConnect 3CRWDR101A-75

Works fine on Belkin F5D7633-4Av1_UK_1.00.11. IGMP must be enabled via the hidden page:

http://192.168.2.1/enablservice.html

Do you have any more details of interface ethernet0 and interface dialer0 i.e. is dialer0 unnumbered?

Does the BBC radio multicast service http://www.bbc.co.uk/multicast/radio/channels.shtml currently work via Zen?

I tried it a couple of tiimes recently, but no success.  
Maybe a problem at my end, but I would like confirmation that the service is OK for someone else.