Configuration Guide

Table Of Contents
©2021 Extreme Networks, Inc. All rights reserved
October 2021
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On VSP 4000, 7200 and 8000 the following table should be used to determine the number of ISIDs
supported per BEB. I-SIDs are used for Layer 2 VSN, Layer 3 VSN, Transparent-UNI, E-Tree, and
Multicast.
Number of ISIS
interfaces
(NNIs)
VSP 4000 (5.0)
VSP 7200 (5.0)
VSP 8000 (5.0)
vIST used
vIST not
used
vIST used
vIST not
used
vIST used
vIST not
used
4
1000 1000 4000 4000 4000 4000
6
1000 1000 3500 4000 4000 4000
10
650 1000 2900 4000 4000 4000
20
350 700 2000 4000 2450 4000
48
150 300 1000 2000 1100 2200
72
750 1500 800 1600
100
600 1200
128
475 950
Table 7: ISIDs per BEB for VSP 4000/7200/8000