Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [pim]

For questions about Protocol Independent Multicast (PIM), where PIM is IP routing protocol-independent and can leverage whichever unicast routing protocols are used to populate the unicast routing table, including Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), and static routes.

4
votes
3answers
407 views

Multicast routing on Huawei Quidway 5300 Switches

I have been testing a scenario which involves multicast routing for multicast traffic the scenario is pretty simple. I have two L3 switches with OSPF running in between them, two computers are ...
3
votes
0answers
241 views

STB generate IGMP Leave without reason

In my network STB generates IGMP Leave (in STB logs "End of Stream") without any reason or there is something what I don't understand. There is one exeption STB directly connected to PIM (ASR920) ...
4
votes
0answers
127 views

ASR920 - port Te0/0/3-tefp1 is not a router port on Vlan 217

When I enabled debugging: PIM#debug ip igmp snooping router I get in logs: Mar 30 15:58:36.275: IGMPSN: router: port Te0/0/3-tefp1 is not a router port on Vlan 217 Configuration for interfaces: ...
1
vote
1answer
92 views

Multiple routed multicast groups on single switch

This is my lab environment: I have two rooms with one L2 access switch each with multiple vlans. The switches are connected to a L3 switch. All routing happens on this switch. I was able to configure ...
1
vote
1answer
101 views

Regarding PIM sparse mode

In PIM sparse mode, there is a Rendezvous Point.For any receiver, to join the (S,G) group,the last hop router waits until it receives the native multicast stream. Once it receives the native multicast ...
5
votes
2answers
2k views

Why is MBGP needed?

I've been working on some multicast protocols and I came across MBGP and I want to know why is it needed. The way everyone uses MBGP is that they set up PIM in every routers, and for the inter domain ...
3
votes
1answer
6k views

config pimd on Linux to forward incoming multicast packet to OpenVPN tunnel interface

Does anyone know how could I setup pimd on Linux so that multicast address from 225.0.30.30 could route to 172.24.0.66/30 router on the right? So this is the lab I just setup today, In the lab ...
2
votes
1answer
114 views

what happens to multicast outside of the RP domain in PIM-SM?

Imagine you have a ring of routers, all of which are routing multicast with PIM Sparse mode, pretend there's a single Rendevouz Point (RP) "Router A" for any multicast on 239.10.10.0/24. If a stream ...
1
vote
2answers
871 views

Does a multicast source have to be connected to the RP for Cisco PIM-SM to work?

I'm fairly new to networking in general, but I need to develop a 4 point mesh with redundant paths routing multicast from point A to points B and C. I've already setup the mesh and have network ...
3
votes
1answer
1k views

multicast not working in two segment network

I have two network segments connected to a single Cisco router by Cisco switches. I've enabled multicast routing on the router by running following commands: ip multicast-routing in configuration ...
9
votes
0answers
511 views

PIM-SM with BSR over SSG5 VPN tunnel

I've created a lab to troubleshoot an issue I'm having with PIM-SM and BSR. There are two sites connected via two Juniper SSG5s (6.3.0r17) with just enough configuration to focus on the problem at ...
2
votes
1answer
118 views

Query router for list of multicast sources

Is it possible to query a router to return a list multicast sources it has registered, via a protocol? For example, I want to know what multicast sources are available on a router but I don't have ...
4
votes
3answers
617 views

Multicast Distribution with PIM

I have to receive some multicast groups for an IPTV platform. I can't use PIM (they don't give me an RP address for the groups...). The provider suggested me to do a join to each multicast group and ...
2
votes
1answer
127 views

PIM mode for low latency video [closed]

What is the best PIM mode for a campus video network? There are several relevant factors: All video is local to the campus. Click to view needs to be fast as possible (Life safety issues) Sources are ...
1
vote
1answer
356 views

Multicast and HSRP

Does an HSRP VIP factor into the PIM designated router and IGMP querier election on a segment? Should they be located on the same interface or device? What would be the effects of having them separate?...