We recently migrated from an ATM network(where our IPTV worked great) to an MPLS network where the IPTV doesn't work right a the remote site - the audio is good but the video keeps freezing. I can provide more information and a diagram but just thought I should put it out first in case someone has run across this.
Note: We have verified a great deal of configs to make sure all is set - the Joins are being formed at the remote sites, the ip sparse-mode commands are configured on the layer 3 interfaces etc etc, igmp is running, the outputs on the layer 3 switches/routers from our routers as well as those from the ISP all look good.
However, I can't figure out why it is freezing!
As a last resort, I am planning on doing a GRE tunnel from my remote router to my HQ router sometime tonight to see if the freezing will stop. If it does then I will know for sure the the ISP needs to fix something in their MPLs cloud.
Question: does anyone know ( or can suggest) something else that I may be missing? I desperately need this thing to work right.