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Beginner

Nexus 5548 latency or port monitor

Please help me how to monitor nexus switch port , show in pic 100% is any problem with delay.

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Beginner

Re: Nexus 5548 latency or port monitor

Hi Nurezaid01,

 

As that interface is the only member of the port channel it will show 100%. You would be better doing a show interface eth1/20 and capture the input/output rate.

 

nexus# show interface ethernet 1/8
Ethernet1/8 is down (SFP not inserted)
Dedicated Interface
Hardware: 1000/10000 Ethernet, address: xxxx.xxxx.xxxx (bia 0005.xxxx.xxxx)
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is access
auto-duplex, 10 Gb/s
Beacon is turned off
Input flow-control is off, output flow-control is off
Switchport monitor is off
EtherType is 0x8100
Last link flapped never
Last clearing of "show interface" counters never
0 interface resets
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
input rate 0 bps, 0 pps; output rate 0 bps, 0 pps

 

Cheers

Adam

 

Beginner

Re: Nexus 5548 latency or port monitor

Hello,

That means your 5548 is bound in a VPC domain with another 5548 to provide Multichassis EtherChannel capability.

You can confirm that with show vpc | grep Po13 to identify the VPC number.

The command show port-channel traffic gives the balance ratio between ports in a Port-channel, but in the case of VPC, the switch cannot know the peer switch value, so always gives 100%. But that value has nothing to do with actual interface load or reliability (which can be seen instead with show interface e1/20).

 

EDIT: oups... just saw that the initial problem was posted 2 years ago :-)

 

Remi Astruc

 

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