IBM SG24-4817-00 Switch User Manual


 
This soft copy for use by IBM employees only.
5.1.10 8285 LAN Emulation Specifications
The 8285 is able alone to manage small LAN emulation networks.
Mechanisms and characteristics supported are:
5.1.10.1 LAN Emulation Server (LES) and Broadcast Unknown
Server (BUS)
Number of LES: 2
Maximum number of client registrations per LES: 128
Maximum number of client registration for both LES: 128
Multicast trees used by LES and BUS
Each LES is using one control distribute VCC for the non-proxy LECs, and
one control distribute VCC for the proxy LECs
Each BUS uses one multicast forward VCC for proxy and non-proxy LECs.
5.1.10.2 IP over ATM (RFC 1577)
In-band management for SNMP/Telnet/Ping supported.
Maximum transmission unit (MTU) size supported: 944 bytes.
IP over ATM client imbedded.
Maximum concurrent IP over ATM connections supported: 64.
5.1.10.3 LAN Emulation Client (ATM Forum-Compliant LAN
Emulation)
Number of LECs: 2.
Token-Ring LAN (802.5).
Ethernet LAN (Ethernet 802.3 or Ethernet V2/DIX).
Both LEC can run concurrently.
Maximum number of connections supported per LEC: 30
Maximum length of LANE information field (MTU):
Is depending on the the maximum service data unit (SDU) size supported on
the corresponding ELAN.
88 ATM Workgroup Solutions: Implementing the 8285 ATM Switch