Transparent Mode; Tcam Based Load Balancing; Hash-Load Balancing - Cisco Nexus 9000 Series Configuration Manual

Transparent Mode

Transparent Mode
The following figure shows the traffic flow between appliances in the transparent mode when catena is enabled,
enabled with bad traffic, and disabled.
Figure 1: Transparent Mode

TCAM Based Load Balancing

Catena uses a cross function of IP-ACL entries along with TCAM FIB to bucket the traffic streams to multiple
egress interfaces.

Hash-Load Balancing

Catena uses source IP or destination IP to determine the egress interface. Egress interface ports are bundled
using the link aggregation control protocol (LACP), and hash algorithms are used for symmetric load balancing.
Cisco Nexus 9000 Series NX-OS Catena Configuration Guide, Release 7.x
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Configuring the Catena Solution