Clustering of NetScaler appliances is supported from NetScaler 10 onwards.
The following table lists the NetScaler configurations that are not supported in NetScaler 10 and also gives the status of the features in subsequent releases. For the features that are supported since the first cluster release, click here.
NetScaler configurations supported from NetScaler 10 onwards
Load balancing, load balancing persistency, DNS load balancing, SIP, maxClient, Spillover (connection and dynamic), Spillover based on bandwidth, DataStream, Compression control, Content filtering, TCP buffering, Cache redirection, Distributed Denial-of-Service (DDoS), Client Keep-alive, Basic networking (IPv4 and IPv6), OSPF (IPv4 and IPv6), RIP (IPv4 and IPv6), RIP (IPv4 and IPv6), VLAN, ICMP, Fragmentation, MBF, RNAT, INAT, ACL, Simple ACL, PBR, MSR, Policy-based RNAT, Path MTU discovery, IP-ID, SNMP, Policies (classic and advanced), Rewrite, Responder, HTTP callout, Web server logging, Audit logging (nslog and syslog), USIP, Location commands, HTML injection, NTIRO API, AppExpert, KRPC.