Hitachi US7070447-001 manual Hitachi HiSpeed ATM Specifications, ATM Troubleshooting Tips

Draft Level—Hitachi Confidential

HiSpeed Switch Troubleshooting Guide

Hitachi HiSpeed ATM Specifications

❒UNI 3.0 & 3.1 signaling is supported.

❒Conforms to ILMI Registration 3.1 and ILMI MIB 4.0 specifications.

❒Due to memory constraints over the ATM uplink, 16 is the recommended number of PTOP, Trunk, CIP, and LEC instances allowed under heavy traffic load.

❒One LEC per ELAN is recommended.

❒The HiSpeed switch does not support QOS (Quality of Service) parameters. Traffic management on the switch is UBR only.

❒The maximum number of VCCs supported is 1024

ATM Troubleshooting Tips

❒The ATM uplink module must be inserted into the lower PCI slot only.

❒A multimode fiber (MMF) cable is required for use with the 155 Mbps ATM uplink OC-3 module.

❒Bind LANE, PTOP, and Trunking services via the port service command. /portserv/config/create 34

❒Enable ILMI for LANE and signaling.

❒Employ an external router for communication between logically separate ELANs for CIP.

❒Every ELAN must have one unique LES/BUS pair for LANE.

❒To join a specific ELAN, an ELAN name must be defined.

❒Ensure the same UNI signaling version is used between the ATM edge devices and the ATM switch.

❒When manually entering the ATM address of the switch, omit the AFI prefix (Ox).

❒Valid Trunk Indexes range from 0 through 15.

❒A VCI value is required when configuring PVC connections. Valid VCI values range from 32 to 1023 (0-31 are reserved by the ATM Forum).

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