0 output buffer failures, 0 output buffers swapped out
I want to know is there any limit on my serial interface as I have a 1MB line connected to this interface and I am not been able to utilize the complete bandwidth since the max bust i can reach is of 265Kbps Kindly let me know is there any service provider issue or issue at my side
this is most frequently asked question about router. The bandwidth command is purely information for certain routing protocols that likely you don't use, and to calculate the circuit usage in show interface, so whatever value you set for it, it won't change you circuit performance in any manner. Also, the "available bandwidth" is related to QoS configuration that you may or may not be needing.
Now, what happens with you circuit, is that it appears severely errored. Please do "clear counters" and check the errors under serial interface. If these continue to grow, you need to bring up the issue with your ISP or telco, whatever is appropriate.
Another thing that is a little strange, is that you are receiving broadcasts on that interface. Please ask you ISP to turn off any routing protocol that is not used, CDP, etc. These would be unnecessarily taking a little bit of your bandwidth.
Based on what is posted here I do not believe that we can determine if there is a service provider issue or an issue on your side. Can you provide details of how you have tested and determined that 265Kbps is the max that you can achieve? What was generating the traffic when you were measuring? It is possible that the limitation is in whatever was generating the traffic (the generator may be limited by disk access speed, by issues with its NIC, by other tasks it was performing at the same time), it is possible that the limitation is in whatever was receiving the traffic (the same set of potential issues as the generator), it is possible that the limitation is in the application being used (TFTP sends relatively small packets, and waits for an acknowledgement before sending the next packet, FTP is dependent on the TCP transmit window and the need to receive an acknowledgement before sending more traffic, or might be impacted by retransmissions).
I note that the interface reports that there have been 14600 input errors. Depending on when these errors occurred they might be part of what is limiting your throughput, especially if they are causing retransmissions.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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