Kábel tesztelése switchről

Egy hasznos feature:

 

SW1#test cable-diagnostics tdr int fa0/1
 Link state may be affected during TDR test
 TDR test started on interface Fa0/1
 A TDR test can take a few seconds to run on an interface
 Use 'show cable-diagnostics tdr' to read the TDR results.
 SW1#show cable-diagnostics tdr int fa0/1
 TDR test last run on: September 19 15:41:58
Interface Speed Local pair Pair length        Remote pair Pair status
 --------- ----- ---------- ------------------ ----------- --------------------
 Fa0/1     100M  Pair A     25   +/- 15 meters Pair B      Normal
                 Pair B     25   +/- 15 meters Pair A      Normal
                 Pair C     N/A                Pair D      Not Supported
                 Pair D     N/A                Pair C      Not Supported
SW1#test cable-diagnostics tdr int fa0/15
 Link state may be affected during TDR test
 TDR test started on interface Fa0/15
 A TDR test can take a few seconds to run on an interface
 Use 'show cable-diagnostics tdr' to read the TDR results.
 SW1#show cable-diagnostics tdr int fa0/15
 TDR test last run on: September 19 15:44:04
Interface Speed Local pair Pair length        Remote pair Pair status
 --------- ----- ---------- ------------------ ----------- --------------------
 Fa0/15    100M  Pair A     77   +/- 15 meters Pair B      Normal
                 Pair B     77   +/- 15 meters Pair A      Normal
                 Pair C     N/A                Pair D      Not Supported
                 Pair D     N/A                Pair C      Not Supported