11-23-2012 06:41 AM - edited 03-07-2019 10:13 AM
Hello,
Is there a command to visualize the actual PPS in a L3 switch?
Thanks
11-23-2012 07:51 AM
Hi,
Not sure exactly what you are looking for
If you type
show int | inc line protocol | packets/sec
You will see an output like this:-
Vlan1 is administratively down, line protocol is down
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Vlan888 is up, line protocol is down
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Vlan999 is up, line protocol is down
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
FastEthernet1/0/1 is up, line protocol is up (connected)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 1000 bits/sec, 1 packets/sec
FastEthernet1/0/2 is up, line protocol is up (connected)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 1000 bits/sec, 1 packets/sec
FastEthernet1/0/3 is up, line protocol is up (connected)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
FastEthernet1/0/4 is down, line protocol is down (notconnect)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
FastEthernet1/0/5 is down, line protocol is down (notconnect)
5 minute input rate 0 bits/sec, 0 packets/sec
Desk_3750#sh int | in line protocol | packets/sec
Vlan1 is administratively down, line protocol is down
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Vlan888 is up, line protocol is down
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
Vlan999 is up, line protocol is down
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
FastEthernet1/0/1 is up, line protocol is up (connected)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 1000 bits/sec, 1 packets/sec
FastEthernet1/0/2 is up, line protocol is up (connected)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 1000 bits/sec, 1 packets/sec
Regards,
Alex.
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11-23-2012 07:58 AM
What I am looking for is to find out the actual forwarding rate that the switch is doing! In my case, I have a 3750X-48P which is able to forward 101.2 mpps and I want to have a command which gives me the actual rate!
Not sure though if such a command exists! Just curious...
Thanks
11-23-2012 08:14 AM
You probably realise this already, but worth checking - the Cisco 101.2 Mpps figure will have been based on a specific packet size (i.e. small 64 Byte packets.) Your packets are likely to vary a bit more than that, so even if there is a command to view the total figure, then it's unlikely to tie up very well with what you have in mind.
Also, bear in mind Mpps is based on all the uplinks being poluated and in use. Have you got the two 10GbE uplinks installed too? If not, then you're not going to get near the Cisco figure. I presume the Cisco figure is based upon x48 GbE switchports + two 10GbE uplinks = 68 x 1.488095 Mpps
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