Updated limits page for NF

Author: surajmb

articles/operator-nexus/reference-limits-and-quotas.md

@@ -41,6 +41,7 @@ The creation of the Network Fabric related resources is subject to the following
 | Layer 2 Isolation domains   | 3500 isolation domains per Nexus instance |
 | Layer 3 Isolation domains   | 200 isolation domains per Nexus instance |
 | Route policies              | 400 route policies per Nexus instance |
+| Isolation domain MTU | 1500 - 9200 |
 
 > [!NOTE]
 > * The number of Nexus instances a pair of NFC + CM can handle has been set to 20 based on some theoretical study for ExpressRoute. These numbers will be refined after more testing. 
@@ -52,7 +53,7 @@ The creation of the Network Cloud specific resources is subject to the following
 | Resource Type               | Notes |
 | --------------------------- | -------------------------|
 | Cluster Manager             |	1:1 mapping with Network Fabric Controller |
-| Cluster                     |	Up to 20 Nexus Cluster instances per Cluster Manager (within same region) [To be updated] |
+| Cluster                     |	Up to 20 Nexus Cluster instances per Cluster Manager (within same region) |
 | Racks                       |	Up to BOM-specified Compute Racks per Nexus Cluster |
 | Bare Metal Machines         |	Up to BOM-specified BareMetal machines per Rack |
 | Storage Appliances          |	Up to BOM-specified Storage appliances per Nexus Cluster instance |