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EIGRP bandwidth question....

This is a question that never got answered on the cisco learning network fourm that I am curious about....I never could find the answer.

If you change the default EIGRP bandwidth from 50% to something else with the ip bandwidth-percent EIGRP AS %% command, where can you look to see this change reflected?

Thank you,

Jimmy

3 ACCEPTED SOLUTIONS

Accepted Solutions
Hall of Fame Super Blue

Re: EIGRP bandwidth question....

Jimmy

Do you mean other than doing a "sh run" because if you modify the eigrp bandwidth on an interface it will be reflected in the running config.

Jon

Re: EIGRP bandwidth question....

Jimmy,

You can indirectly check this by having a close analysis on how EIGRP paces its packet.

The "sh ip eigrp interface" should give you a column indicating the pacing time in millisecs.

Each time a data packet is queued,  EIGRP determines how long to wait before sending the packet based on the formula

(8 * 100 * packet size in bytes) / (bandwidth in kbps * bandwidth           percentage)

This does have an effect on the protocols behaviour on the links !

Hope that helped !

New Member

Re: EIGRP bandwidth question....

4 REPLIES
Hall of Fame Super Blue

Re: EIGRP bandwidth question....

Jimmy

Do you mean other than doing a "sh run" because if you modify the eigrp bandwidth on an interface it will be reflected in the running config.

Jon

Re: EIGRP bandwidth question....

Jimmy,

You can indirectly check this by having a close analysis on how EIGRP paces its packet.

The "sh ip eigrp interface" should give you a column indicating the pacing time in millisecs.

Each time a data packet is queued,  EIGRP determines how long to wait before sending the packet based on the formula

(8 * 100 * packet size in bytes) / (bandwidth in kbps * bandwidth           percentage)

This does have an effect on the protocols behaviour on the links !

Hope that helped !

New Member

Re: EIGRP bandwidth question....

Re: EIGRP bandwidth question....

Thank to all that replied.  I was really just interested in this question because it never got answered on the Cisco Learning Network fourm.

I think the correct answer is the only place we will see this change is the startup/running config.

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