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Home > Archive > Voice over IP Cisco > October 2007 > Multicast in a campus network
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Multicast in a campus network
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| Ahmed Elnagar 2007-10-27, 1:12 pm |
| Hello all;
I dont know if someone dealed before with IPTV system (but I am sure u did). The customer wants to deploy IPTV system (not cisco) and he told me that the system is using multicast for delivering TV stations to clients, I have read alot of documents regarding multiacst but I am not sure which configuration I should use to run this successfully.
The customer network consists of two backbone 6509 switch connected to it 3560 switches as edge switches, if anyone has ideas about this and how to configure these swithces (backbone and edge) to pass multicast traffic.
Also note that there will be clients in vlans other than the server vlan.
thanks
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| Ahmed Elnagar 2007-10-27, 1:12 pm |
| Hello jason
thanks alot for your reply, I have read alot thorugh this and I know pim with its modes very well, but these all talks about multicast routing and routers configurations. I didnot pass by any document that explains these in a network where L3 switches is used for inter vlan routing. I read also about MVR but I dont know is it okay for my case or not.
________________________________
From: Jason Aarons (US) [mailto:jason.aarons@us.didata.com]
Sent: Sat 27-Oct-07 5:37 PM
To: Ahmed Elnagar
Subject: RE: [cisco-voip] Multicast in a campus network
Research ip pim sparse-dense mode
From: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Saturday, October 27, 2007 11:17 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Multicast in a campus network
Hello all;
I dont know if someone dealed before with IPTV system (but I am sure u did). The customer wants to deploy IPTV system (not cisco) and he told me that the system is using multicast for delivering TV stations to clients, I have read alot of documents regarding multiacst but I am not sure which configuration I should use to run this successfully.
The customer network consists of two backbone 6509 switch connected to it 3560 switches as edge switches, if anyone has ideas about this and how to configure these swithces (backbone and edge) to pass multicast traffic.
Also note that there will be clients in vlans other than the server vlan.
thanks
________________________________
Disclaimer: This e-mail communication and any attachments may contain confidential and privileged information and is for use by the designated addressee(s) named above only. If you are not the intended addressee, you are hereby notified that you have received this communication in error and that any use or reproduction of this email or its contents is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to this message and deleting it from your computer. Thank you.
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| Ruben Montes \(Europe\) 2007-10-27, 7:11 pm |
| Hello,
Inside a vlan and using L3 switches is exactly the same, you should enable pim and multicast routing: I would recommend using sparse mode instead dense mode. I would configure one 6509 as RP (and maybe another one as secondary for redundancy purposes) and all the leaf routers pointing to this router RP address (you can create a Loopback address). For the layer 2 switches (3560), it is enough with igmp snooping, which comes enabled by default...
HTH,
Ruben
________________________________
De: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] En nombre de Ahmed Elnagar
Enviado el: sábado, 27 de octubre de 2007 17:49
Para: Jason Aarons (US)
CC: cisco-voip@puck.nether.net
Asunto: Re: [cisco-voip] Multicast in a campus network
Hello jason
thanks alot for your reply, I have read alot thorugh this and I know pim with its modes very well, but these all talks about multicast routing and routers configurations. I didnot pass by any document that explains these in a network where L3 switches is used for inter vlan routing. I read also about MVR but I dont know is it okay for my case or not.
________________________________
From: Jason Aarons (US) [mailto:jason.aarons@us.didata.com]
Sent: Sat 27-Oct-07 5:37 PM
To: Ahmed Elnagar
Subject: RE: [cisco-voip] Multicast in a campus network
Research ip pim sparse-dense mode
From: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Saturday, October 27, 2007 11:17 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Multicast in a campus network
Hello all;
I dont know if someone dealed before with IPTV system (but I am sure u did). The customer wants to deploy IPTV system (not cisco) and he told me that the system is using multicast for delivering TV stations to clients, I have read alot of documents regarding multiacst but I am not sure which configuration I should use to run this successfully.
The customer network consists of two backbone 6509 switch connected to it 3560 switches as edge switches, if anyone has ideas about this and how to configure these swithces (backbone and edge) to pass multicast traffic.
Also note that there will be clients in vlans other than the server vlan.
thanks
________________________________
Disclaimer: This e-mail communication and any attachments may contain confidential and privileged information and is for use by the designated addressee(s) named above only. If you are not the intended addressee, you are hereby notified that you have received this communication in error and that any use or reproduction of this email or its contents is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to this message and deleting it from your computer. Thank you.
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| Ahmed Elnagar 2007-10-27, 7:11 pm |
| Hello ruben;
Thank you first for ur reply, and yes that how I am starting to think about it but I am not sure that I will go with the sparse mode (I dont want to go into a lot of configuration) I will try dense mode first and if things are okay I will think of ur advice of using sparse.
thanks
________________________________
From: Ruben Montes (Europe) [mailto:Ruben.Montes@eu.didata.com]
Sent: Sat 27-Oct-07 8:54 PM
To: Ahmed Elnagar; Jason Aarons (US)
Cc: cisco-voip@puck.nether.net
Subject: RE: [cisco-voip] Multicast in a campus network
Hello,
Inside a vlan and using L3 switches is exactly the same, you should enable pim and multicast routing: I would recommend using sparse mode instead dense mode. I would configure one 6509 as RP (and maybe another one as secondary for redundancy purposes) and all the leaf routers pointing to this router RP address (you can create a Loopback address). For the layer 2 switches (3560), it is enough with igmp snooping, which comes enabled by default...
HTH,
Ruben
________________________________
De: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] En nombre de Ahmed Elnagar
Enviado el: sábado, 27 de octubre de 2007 17:49
Para: Jason Aarons (US)
CC: cisco-voip@puck.nether.net
Asunto: Re: [cisco-voip] Multicast in a campus network
Hello jason
thanks alot for your reply, I have read alot thorugh this and I know pim with its modes very well, but these all talks about multicast routing and routers configurations. I didnot pass by any document that explains these in a network where L3 switches is used for inter vlan routing. I read also about MVR but I dont know is it okay for my case or not.
________________________________
From: Jason Aarons (US) [mailto:jason.aarons@us.didata.com]
Sent: Sat 27-Oct-07 5:37 PM
To: Ahmed Elnagar
Subject: RE: [cisco-voip] Multicast in a campus network
Research ip pim sparse-dense mode
From: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Saturday, October 27, 2007 11:17 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Multicast in a campus network
Hello all;
I dont know if someone dealed before with IPTV system (but I am sure u did). The customer wants to deploy IPTV system (not cisco) and he told me that the system is using multicast for delivering TV stations to clients, I have read alot of documents regarding multiacst but I am not sure which configuration I should use to run this successfully.
The customer network consists of two backbone 6509 switch connected to it 3560 switches as edge switches, if anyone has ideas about this and how to configure these swithces (backbone and edge) to pass multicast traffic.
Also note that there will be clients in vlans other than the server vlan.
thanks
________________________________
Disclaimer: This e-mail communication and any attachments may contain confidential and privileged information and is for use by the designated addressee(s) named above only. If you are not the intended addressee, you are hereby notified that you have received this communication in error and that any use or reproduction of this email or its contents is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to this message and deleting it from your computer. Thank you.
| |
| Ahmed Elnagar 2007-10-31, 1:11 pm |
| thanks for all replies.
simply I enabled multicast routing on the backbones, enabled pim on the int vlans that will be a part of the multicast domain.
and just make sure that igmp is enabled on the edge switches
thanks alot
________________________________
From: Ruben Montes (Europe) [mailto:Ruben.Montes@eu.didata.com]
Sent: Sat 27-Oct-07 8:54 PM
To: Ahmed Elnagar; Jason Aarons (US)
Cc: cisco-voip@puck.nether.net
Subject: RE: [cisco-voip] Multicast in a campus network
Hello,
Inside a vlan and using L3 switches is exactly the same, you should enable pim and multicast routing: I would recommend using sparse mode instead dense mode. I would configure one 6509 as RP (and maybe another one as secondary for redundancy purposes) and all the leaf routers pointing to this router RP address (you can create a Loopback address). For the layer 2 switches (3560), it is enough with igmp snooping, which comes enabled by default...
HTH,
Ruben
________________________________
De: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] En nombre de Ahmed Elnagar
Enviado el: sábado, 27 de octubre de 2007 17:49
Para: Jason Aarons (US)
CC: cisco-voip@puck.nether.net
Asunto: Re: [cisco-voip] Multicast in a campus network
Hello jason
thanks alot for your reply, I have read alot thorugh this and I know pim with its modes very well, but these all talks about multicast routing and routers configurations. I didnot pass by any document that explains these in a network where L3 switches is used for inter vlan routing. I read also about MVR but I dont know is it okay for my case or not.
________________________________
From: Jason Aarons (US) [mailto:jason.aarons@us.didata.com]
Sent: Sat 27-Oct-07 5:37 PM
To: Ahmed Elnagar
Subject: RE: [cisco-voip] Multicast in a campus network
Research ip pim sparse-dense mode
From: cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] On Behalf Of Ahmed Elnagar
Sent: Saturday, October 27, 2007 11:17 AM
To: cisco-voip@puck.nether.net
Subject: [cisco-voip] Multicast in a campus network
Hello all;
I dont know if someone dealed before with IPTV system (but I am sure u did). The customer wants to deploy IPTV system (not cisco) and he told me that the system is using multicast for delivering TV stations to clients, I have read alot of documents regarding multiacst but I am not sure which configuration I should use to run this successfully.
The customer network consists of two backbone 6509 switch connected to it 3560 switches as edge switches, if anyone has ideas about this and how to configure these swithces (backbone and edge) to pass multicast traffic.
Also note that there will be clients in vlans other than the server vlan.
thanks
________________________________
Disclaimer: This e-mail communication and any attachments may contain confidential and privileged information and is for use by the designated addressee(s) named above only. If you are not the intended addressee, you are hereby notified that you have received this communication in error and that any use or reproduction of this email or its contents is strictly prohibited and may be unlawful. If you have received this communication in error, please notify us immediately by replying to this message and deleting it from your computer. Thank you.
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