ripprapp at hotmail
Sep 15, 2008, 10:21 PM
Views: 4731
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Summit450X - strange IGMP-snooping on port connected to Linux server?
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Hi,
I am using a Summit450X as a layer2 switch in my multicast network.
I am using PIM SM on my routers and I am running IGMP snooping on my layer2 switches.
On this 450X-switch I have a HP server runnning Linux connected to port 21.
When running some show commands (see below) it looks like the switch thinks that the
server is a router? And that it should get all Multicast streams?
Can anyone explain what is causing this?
Is my switch misconfigured or is my server doing something strange?
What is the criteria for being listed as a router by the switch?
Port 45 is connected to the closest router.
Any ideas of what could be causing this kind of behaviour is appreciated!
Best Regards
Fredrik
X450a-48tdc.19 # sh igmp snooping
Vlan Vid Port #Senders #Receivers Router Enable
--------------------------------------------------------------
SN102 164 6 Yes
19 2 No
20 5 No
21 3 Yes
45 0 Yes
VLAN SN102 (164) Snooping=Enabled
Group Sender Age
239.1.1.1 10.21.65.5 14
239.1.1.2 10.21.65.5 10
228.0.198.75 10.21.64.4 25
228.0.198.76 10.21.64.4 13
228.0.198.77 10.21.64.4 13
5 Incoming multicast streams
Port Host Subscribed Age
19 10.21.64.2 225.10.10.10 66
19 10.21.64.2 226.10.10.10 63
20 10.21.64.3 224.2.127.254 67
20 10.21.64.3 224.2.127.255 69
20 10.21.64.3 234.5.6.7 63
20 10.21.64.3 239.1.1.1 64
20 10.21.64.3 239.1.1.2 61
21 10.21.64.4 228.0.198.75 68
21 10.21.64.4 228.0.198.76 63
21 10.21.64.4 228.0.198.77 60
21 10.21.64.4 All Groups 69
45 10.21.64.1 All Groups 1
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Summit450X - strange IGMP-snooping on port connected to Linux server?
