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08.排除交换机故障课件
Ethernet LANs ;采用分层方法;介质问题;show interface ;Excessive Noise;Excessive Collisions;Late Collisions;Port Access Issues;Duplex modes:
One end set to full and the other set to half results in a mismatch.
One end set to full and autonegotiation set on the other end:
Autonegotiation fails, and that end reverts to half.
Results in a mismatch.
One end set to half and autonegotiation set on the other:
Autonegotiation fails, and that end reverts to half.
Both ends at half; no mismatch.
Autonegotiation on both ends:
One end fails to full, and the other end fails to half.
Example: A Gigabit Ethernet interface defaults to full, while a 10/100 defaults to half.
Autonegotiation on both ends:
Autonegotiation fails on both ends, and they revert to half.
Both end at half; no mismatch.
;Duplex modes:
One end set to one speed and the other set to another, resulting in a mismatch.
One end set to a higher speed and autonegotiation enabled on the other end.
If autonegotiation fails, the autonegotiation end reverts to its lowest speed.
Results in a mismatch.
Autonegotiation on both ends:
Autonegotiation fails on both ends, and they revert to their lowest speed.
Both end at half; no mismatch.;Configuration Issues;小结;翱釜遥库估锹呐努驮腐爪膝眷翅彪脚垄滨葱贷展粕违冶炮蛰建整虐挺蔗侍08.排除交换机故障课件Guide for Creating Powerpoint Presentations
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