Re: OT : user in our Building can't heare the user in the other

No worries. In my head I always consider it two separate independent
UDP streams of voice. One you're sending and one you're seeing.
Playing with voice over Site to Sites was interesting to actually see
the traffic come across.

Good times.

On Wed, Jun 22, 2011 at 3:59 PM, -Hammer- <bhmccie_at_gmail.com> wrote:
> Oh yeah. I'm not saying it ISN'T the firewall. I just am used to people
> calling me asking why the firewall is blocking something because they have
> no concept so I enjoyed seeing this thread. No. I don't classify most of the
> folks on this distro as end users. Reading up on RTP now.....
>
> -Hammer-
>
>
> On 06/22/2011 03:56 PM, JB Poplawski wrote:
>
> Good call, I should step back and also mention routing (reachability)
> could be an issue.
>
> Could be a fixup issue as well. I've seen those commands break/fix things.
> http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00801fc74a.shtml
>
> Blaming the firewall....Take the firewall out and I bet it works... :)
>
> On Wed, Jun 22, 2011 at 3:50 PM, -Hammer- <bhmccie_at_gmail.com> wrote:
>
>
> OK. Being a firewall guy I love when people blame the firewall. I'm not
> saying it's not the firewall but isn't RTP a TCP transport layer
> protocol? I'm not a voice guy so please don't bash me too much. Do the
> phones make independent connections (like a send and receive channel) to
> each other? Which part is stateless?
>
> -Hammer-
>
>
>
> On 06/22/2011 03:28 PM, JB Poplawski wrote:
>
>
> Determine the IP addresses of the phones at each site (assuming the
> whole subnet needs to be opened up).
> Verify UDP from their side to your side is valid. If you can't hear
> the other building, the RTP stream is being blocked coming your way.
>
> HTH,
> JB
>
> On Wed, Jun 22, 2011 at 3:17 PM, Joe Astorino<joeastorino1982_at_gmail.com>
> wrote:
>
>
>
> Sounds like a firewall issue. I would investigate that the firewall is
> allowing the proper RTP voice packets from building2 back to building1 like
> JB said. Now, the political implications of said task might be harder than
> it sounds depending on your relationships with other teams and who runs the
> firewall lol
>
> On Wed, Jun 22, 2011 at 4:07 PM, wael Ahmed<wsadani_at_gmail.com> wrote:
>
>
>
>
> Hi GS
> i have a problem here and i need your sugession
> this is the senario
>
> iptuser(our Building)--------access
>
> switch1----corswitche1----------------firewall--------coreswitch2---------acess
> switch2------ iptuser(otherbuilding)
>
>
> The unified Communication conected to coreswitch1
>
> coreswitch1 connecetd to firewall by Fiber it is end 10.20.91.100 the
> firewall end 10.20.91.105
> My responsability till only coreswitch1 and there is seperated team to the
> firewall coreswitch2
>
> ipt user(our Building) can heare each other
> ipt user (other Building ) can heare eah other
> ipt user (other Building ) can heare ipt(our Building)
> ipt user (our Building) can't heare iptuser(othe Building)
>
>
>
> voice vlans are in access switch 1 and coreswitch 1 vlan 230
> voive vlan are in acce switch 2 and coreswitch2 vlan 111
> any idea
> thanks
>
>
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> --
> Regards,
>
> Joe Astorino
> CCIE #24347
> Blog: http://astorinonetworks.com
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Received on Wed Jun 22 2011 - 16:04:00 ART