
Configuring ATM Services
A-38
117374-B Rev. 00
Parameter: VCI
Path: Configuration Manager > Protocols > ATM > ATM Signaling
Default: 5
Options: 1 to 65535
Function: Specifies the virtual channel identifier (VCI) for the signaling VC. The
signaling VC is a dedicated VPI/VCI pair reserved for signaling messages.
Instructions: Accept the default, 5, or enter a value from 1 to 65535.
MIB Object ID: 1.3.6.1.4.1.18.3.4.23.1.7.1.14
Caution: The signaling VC (0/5) and the ILMI VC (0/16) are reserved. These
VCs remain in an operational state as long as signaling is enabled on the ATM
interface. Because most ATM devices use these VPI/VCI pairs for signaling,
Bay Networks recommends that you not change these values.
Parameter: T303
Path: Configuration Manager > Protocols > ATM > ATM Signaling
Default: 4
Options: 1 to 24
Function: Specifies the Setup Sent timer value (in seconds). This timer begins when the
circuit initiates a call/connection request by sending a SETUP message over the
signaling VC.
The Setup Sent timer stops when the circuit receives a CONNECT message
(indicating connection), a CALL PROCEEDING message (indicating that the
network received the SETUP message), or a RELEASE COMPLETE message
(indicating the rejection of the SETUP message) from the network.
If the circuit does not receive one of these messages within the allotted time, it
transmits the SETUP message again. If the circuit still does not receive a
response, it clears the connection.
Instructions: Accept the default, 4, or enter a value from 1 to 24.
MIB Object ID: 1.3.6.1.4.1.18.3.4.23.1.7.1.25
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