CISCO-VISM-CONN-MIB

The MIB module to contains configuration and connection state information the VISM. For VoIP(Voice over IP) support, VISM needs one active AAL5 bearer PVC and one active AAL5 control PVC between the VISM card and the PXM. The redundant PVC feature is supported for AAL5 PVCs. Each redundant PVC pair has one active PVC and one standby PVC. There can be one AAL5 bearer redundant PVC pair and one AAL5 control redundant PVC pair. All PVCs are added on the ATM virtual port=1. For the AAL2 trunking application, there can be multiple AAL2 bearer PVCs. Also, AAL2 bearer PVC in this case, is between the two media gateways, instead of just between the VISM and the PXM. Up to 64 AAL2 bearer PVCs are supported for this application. Terminologies Used: PVC - Permanent Virtual Circuit OR Permanent Virtual Connection. SPVC - Soft Permanent Virtual Circuits. This is a PVC controlled by PNNI Controller. AAL - ATM Adaption Layer. PXM - Processor Switch Module. VC - Virtual Channel. CAC - Connection Admission Control. LCN - Logical Channel Number. VCI - Virtual Channel Identifier.