The number of I-SIDs supported depends on the number of IS-IS interfaces and adjacencies (NNIs) configured.
The following table shows the number of UNI I-SIDs supported per BEB. UNI I-SIDs are used for Layer 2 VSN, Layer 3 VSN, Transparent-UNI, E-Tree, Switched-UNI and S, G for Multicast.
Number of IS-IS interfaces (NNIs) |
Product |
I-SIDs with vIST configured on the platform |
I-SIDs without vIST configured on the platform |
---|---|---|---|
4 |
VSP 4900 Series |
4,000 |
4,000 |
VSP 7400 Series |
4,000 |
4,000 |
|
6 |
VSP 4900 Series |
3,500 |
4,000 |
VSP 7400 Series |
3,500 |
4,000 |
|
10 |
VSP 4900 Series |
2,900 |
4,000 |
VSP 7400 Series |
2,900 |
4,000 |
|
20 |
VSP 4900 Series |
2,000 |
4,000 |
VSP 7400 Series |
2,000 |
4,000 |
|
48 |
VSP 4900 Series |
1,000 |
2,000 |
VSP 7400 Series |
1,000 |
2,000 |
|
72 |
VSP 4900 Series |
750 |
1,500 |
VSP 7400 Series |
750 |
1,500 |
|
100 |
VSP 4900 Series |
550 |
1,100 |
VSP 7400 Series |
550 |
1,100 |
|
128 |
VSP 4900 Series |
450 |
900 |
VSP 7400 Series |
450 |
900 |
|
250 |
VSP 4900 Series |
240 |
480 |
VSP 7400 Series |
240 |
480 |
|
Note:
Expect longer boot times with high scaled adjacency environments. |