| Poor application performance - here is a random pick | | | | causing slow routing of traffic across the network. |
| of 3 problems from real-time experiences, that cannot | | | | You will need to continuously monitor the router's |
| be identified using a bandwidth monitoring tool: | | | | memory, CPU, temperature and other hardware health |
| 1) Poor Switch Performance - Excessive Backplane | | | | parameters to ensure proper working. Having a |
| Utilization | | | | network change and configuration management |
| By monitoring your switch's backplane utilization, you | | | | system that alerts on any configuration changes on |
| get to know how much of the switch's maximum | | | | your critical network devices will also help. |
| throughput is put to full use. High backplane utilization | | | | 3) Traffic Delay Over WAN Links |
| will result in your switch ports receiving too much of | | | | When you have applications being accessed across a |
| network traffic to further cause packet loss, discards | | | | WAN, slight delay in a single WAN link will have huge |
| and slow applications. Many switches have this | | | | effects on application performance for the end user. It |
| parameter accessible via SNMP so most network | | | | is important to continuously monitor delay, packet loss, |
| monitoring systems would be able to monitor, report | | | | bandwidth consumption for each WAN link. One way |
| and alert the Network Administrator on excessive | | | | of getting this information is by enabling Cisco IP SLA |
| backplane utilization. | | | | on Cisco routers and procuring network monitoring |
| 2) Poor Router Performance - Configuration Changes | | | | solutions that leverage this technology to present |
| A flawed IOS update or configuration change on your | | | | valuable reports. |
| routers can result in drastic increase in memory, | | | | |