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Community Member

getting 6 times the rtp packets

We have the following problem

The network infrastructure is as follows

6513 Core (Cat OS) - contains 3 vlans - namly 200, 202, 203

The commands used here -

monitor session 1 source vlan 200, 202, 203 multicast disable

monitor session 1 destination rspan vlan 998

3750 distribution Stack 1(IOS) - switch stack is connected to Core with vlans 200, 201, 104.

The commands used here are

Monitor session 1 source vlan 200, 201, 104, 998

Monitor session 1 destination intrface 3/17, 3/18

However we are getting 6 times the rtp packets on the destination. How could we optimize on network so that we have all vlans here spanned with optimal traffic load.

3 REPLIES
Bronze

Re: getting 6 times the rtp packets

As far as the packet drops are concerned most of times it comes out to be the issue due to ISP or the local connectivity to the n/w.

Community Member

Re: getting 6 times the rtp packets

sorry, I should have mentioned that these are VOICE packets.

Community Member

Re: getting 6 times the rtp packets

Can you clarify what you mean when you say you are getting 6 times the rtp packets. Do you mean on the port you are sniffing ( i am guessing you have a sniffer connected to the monitor ports) you see the same rtp packet 6 times?

If so, try removing the voice vlans from the monitor source on the 3750 and leave only the rspan vlan from the core.

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