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l a routable IPaddress for communication with your Stealthwatch appliances

(eth0). Connect the Data Node eth0 port to your network to allow

communication with your SMC and Flow Collectors. You can configure the use of a

BASE-T copper 1G/10Gport or SFP+ twinax cable 10Gport for theData Node

eth0 management port.

During Data Store deployment and configuration, you map the Data Node eth0

IPaddresses to the Data Store name to allow more even distribution of telemetry

storage and query request and response. See Data Store Database Initialization

and Configuration for more information.

l a non-routable IPaddress within a private LANor VLAN, to be used for inter-Data

Node communication (eth2, or port channel containing eth2 and eth3 for

improved throughput and performance). Connect the Data Node eth2 port or port

channel containing eth2 and eth3 to the switches for inter-Data Node

communication. As part of the Data Store, your Data Nodes communicate between

and among each other.

You must assign the non-routable IPaddresses from the

169.254.42.0/24 CIDRblock.

For hardware Data Nodes, configuring an eth2 port for 10G throughput is

sufficient for normal inter-Data Node communication. Creating an eth2/eth3

port channel for up to 20G throughput enables faster communication between and

among Data Nodes, and quicker Data Node addition or replacement to the Data

Store, as each new Data Node receives traffic from adjacent Data Nodes to

populate its data.

Data Store Deployment Prerequisites and Recommendations

Cisco Stealthwatch User Manual

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