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Cisco router T1 line detection

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6 replies

by lcw

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Is there anyway to test the T1 line what is the bandwidth running thru the Cisco IOS command.I try to use the command show interface s0/0 and 1 of the output is BW1544 Kbit,what does it mean?

6 replies

by otl

Since a B8ZS ESF T1 has a bandwidth of 1.544 Meg (1544 Kilo) you have a full T1 (64 K per channel).

BTW a D4 AMI T1 only has a bandwidth of 1.344 Meg. it is still a T1 but will not allow 64 K per channel only 56 K

by lcw

Sorry i dun really understand your explanation.
Like me get this simple I would like to know what is the current bandwidth running on my leased line
connected to a Cisco router.I was only informed by my ISP that my bandwidth is 1.5MB.Anyway to test it thru my the IOS command.

by jim.kam

Virtual-Access1 is up, line protocol is up
Hardware is Virtual Access interface
Interface is unnumbered. Using address of Loopback0 (10.1.1.1)
MTU 1500 bytes, BW 3088 Kbit, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255

This should be the output of the command you issue - 'show interface'

MTU - maximum transfer unit
BW - bandwitdh
DLY - delay

BW 1544 kbit stands for bandwitdh 1544 kilobit = 1.5MB

short and simple! hope it solves your misery... 8)

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