Beta Draft Confidential
17-561/19/05 ATM Services Configuration Guide for CBX 3500, CBX 500, GX 550, and B-STDX 9000
Configuring SVC Parameters
Configuring SVC Port Addresses
4 bits Quadrant information
• B-STDX 9000 or CBX 500 switch
– 0x0
• GX 550 ES (Extender Shelf)
– 0x1 - the GX 550 ES is
connected to quadrant 1 in the
GX 550 switch
– 0x2 - the GX 550 ES is
connected to quadrant 2in the
GX 550 switch
– 0x3 - the GX 550 ES is
connected to quadrant 3 in the
GX 550 switch
– 0x4 - the GX 550 ES is
connected to quadrant 4 in the
GX 550 switch
• GX 550 Switch
– 0xa - Quadrant 1 in GX 550
– 0xb - Quadrant 2 in GX 550
– 0xc - Quadrant 3 in GX 550
– 0xd - Quadrant 4 in GX 550
8 bits Physical port information A range of 0x00 to 0xff represents
physical ports from 0 to 255.
• 1 - 64 => CBX, B-STDX, or CBX
• 1 - 16 => GX 550 without a
GX 550 ES
• 1 - 12 => GX 550 ES connected to
a GX 550 switch
16 bits Interface ID Ranges from 0x0000 to 0xffff
8 bits Selector ID Fixed - 0x00
Table 17-13. ESI Byte Assignments (Continued)
Number of
bits/bytes
Contents/Purpose Range/Interpretation
Note – The CBX 3500, CBX 500, and GX 550 switches support the automatic ESI
assignment feature for both VNN and PNNI. B-STDX 9000 switches only support the
automatic ESI assignment feature for VNN.