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16 Cards in this Set
- Front
- Back
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What is CIR?
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Committed information rate (CIR). its the guareeted rate in bits per second the service provider commits to providing.
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Bc
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Commited burst.
The max number of bits that can be transfered during any committed rate measurement interval. |
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Be
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Excess Burst.
generally delivered w/lower succes rates. |
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FECN
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Forward Explicit Congestion Notification.
Frame-relay switch sends a FECN packet to the users router indicating that congestion has occurred. |
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BECN
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Backward Explicit Congestion Notification.
BECN packet sent to source router when the FR switch is congested. FR switch asks the source router to slow down. |
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DE?
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Discard Eligility.
router sends to switch when its congested. |
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Frame-relay speeds range from?
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56k-2Mb
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DLCI address space is ___ bits?
Possibility of ____ DLCI addresses? LMI-supports addresses from? |
10 bits.
1024 DLCI's. 16-1007. |
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3 LMI types are?
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cisco, ansi, q933a
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what is the LMI DLCI number?
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1023.
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packet switched standard taht uses a subset of the _____ protocol called _____ ?
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LAPF---Link access procedure for frame-relay.
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frame-relay flag fields are?
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01111110
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types of serial interfaces.
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eia/tia 232, 449, V.35 or X.21.
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becn warns
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upstream devices
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fecn warns
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downstream devices
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what is the correct syntax for setting up a frame-relay connnection`
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#frame-relay ip [ip_address] [dlci] broadcast
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