IP addresses for R840 servers
Prepare IP addresses in your network for the VxFlex Ready Node servers in Linux-based environments based on the
following calculations:
Note: In addition to the networking requirements below, ensure that you have prepared the items described in
Additional equipment and network resource requirements on page 15 earlier in this guide.
Table 9 VxFlex OS management IP network
Item Description
N Number of nodes
IP address pools The pools of IP addresses used for static allocation for the following groups:
1. Node_MGMT_IP = Management IP addresses of the VxFlex Ready Node servers
2. BMC_MGMT_IP = iDRAC IP address for each node
The formula to calculate IP address subnet pool or subnet needs is: N*Node_MGMT_IP+N*BMC_MGMT_IP
Note: Each pool can belong to a single subnet or to several subnets.
The VxFlex OS data IP network requires two separate subnets.
Table 10
VxFlex OS data IP network for Subnet #1
Item Description Comments
N Number of nodes
IP address pool
for Subnet #1
The pools of IP addresses used for static allocation for the following groups:
1. Node_DATA1_IP = internal (interconnect) IP addresses of the VxFlex Ready
Node servers
2. MDM_Cluster_Virtual_IP_DATA1 = the Virtual IP addresses of the MDM
cluster in the "Data1" network
For clarity, the first subnet is
referred to as "Data1"
The formula to calculate the subnet pool or subnet needs is: N*Node_DATA1_IP+MDM_Cluster_Virtual_IP_DATA1
Table 11 VxFlex OS data IP network for Subnet #2
Item Description Comments
N Number of nodes
IP address pool
for Subnet #2
The pools of IP addresses used for static allocation for the following groups:
1. Node_DATA2_IP = internal (interconnect) IP addresses of the VxFlex Ready
Node servers
2. MDM_Cluster_Virtual_IP_DATA2 = the Virtual IP addresses of the MDM
cluster in the "Data2" network
For clarity, the second
subnet is referred to as
"Data2"
The formula to calculate the subnet pool or subnet needs is: N*Node_DATA2_IP+MDM_Cluster_Virtual_IP_DATA2
Network architecture and physical connectivity for Linux servers
32 VxFlex Ready Node Operating System Installation Guide for Linux
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