About Qi Liu

Qi Liu · 04-13-2018

Hi All, I met a problem with my C1921/K9 router. CPU usage on it is constantly 90%. When I used "show process cpu sorted", I found the process called "Switch Link Moni" occupied 75% of CPU resources. I have tried searching what the proces...

Qi Liu · 04-12-2017

Hi Team, Is there some way to know the input/output rate of sub-interfaces?When I use "show interface fa0/0.1" , there is nothing related to traffic information. Many thanks. router#sh int fa 0/0 | i put rate 5 minute input rate 4000 bits/sec, 8 pa...

Qi Liu · 03-23-2017

Hi team, Here's something about NAT . I want to do NAT to translate 192.168.21.21 to both 202.100.10.1 and 61.144.1.252 for the server can be accessed by two Internet addresses. Configuration is as below: interface fa 0/0 ip add ...

Qi Liu · 03-16-2017

This morning the CPU usage rate of my Cisco 2811 was constantly 99% , which caused lots of packets lost. When I used the command "show process cpu sorted ", I was quite confused that I couldn't find the process which was wasting the CPU resource...

Qi Liu · 03-17-2018

Hi Joe, Thx and please ignore my question. I mistood the meaning of "threshold".

Qi Liu · 03-17-2018

Hi Joe, Very good example ! What makes me confused is that where "5%" is. Could you please help me to explain?

Qi Liu · 03-17-2018

Hi Stephen, I'm facing a similar problem and it's really puzzling me. How could EEM/TCL with SLA do a packet-loss detection and automatically disable the path with problem? Two paths which I am using now to access the Internet are both via s...

Qi Liu · 04-13-2017

Hi Mark Malone, Thank you for answering the question. SNMP/Netflow are surely good ways to monitor the traffic . And configuring QoS is also a good way . It is really a pity sub-interfaces' rate cannot be directly shown by "show interface".

Qi Liu · 03-26-2017

Well , the subnet 169.254.1.0/30 is only for connection . The router is a CE(client edge) router linked to ISP. There are two static routes pointed to the CE router on PE device. I have just simplized the model .PE (Provider Edge): interface gi 0/1/2...

Member Since	‎03-16-2017 09:25 PM
Date Last Visited	‎12-11-2023 08:05 AM
Posts	13

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High CPU Usage on C1921/K9

Show Input or Output rate of Sub-interfaces

Translate one private IP address to multiple public IP addresses

About nothing valuable when "show process cpu sorted"

Re: Here is a sample config. Let

Re: Here is a sample config. Let

Re: TCL for packet loss - Shutdown BGP session

Hi Mark Malone,

Well , the subnet 169.254.1.0