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Dell Networking Layer 3 Leaf-Spine Deployment and Best Practices with OS10 release 10.5.3.0.44
Introduction Hardware overview Leaf-spine overview Protocols in the leaf-spine example Layer 3 configuration planning
BGP ASN configuration
IP addressing
Loopback address
Point-to-point addresses
Layer 3 with Dell leaf and spine switches OSPF and eBGP Alternate use case scenario Demonstration Appendix A

Loopback address

Home > Networking Solutions > Enterprise/Data Center Networking Solutions > SmartFabric OS10 Networking Solutions > Guides > Dell Networking Layer 3 Leaf-Spine Deployment and Best Practices with OS10 release 10.5.3.0.44 > Loopback address

Loopback address

  • Loopback addresses may be used as router IDs when configuring routing protocols. As with ASNs, loopback addresses should follow a logical pattern that will make it easier for administrators to manage the network and allow for growth.

    Figure 11.   
    Loopback addressing

    All loopback addresses used are part of the 10.0.0.0/8 address space with each address using a 32-bit mask. In this example, the third octet represents the layer, “1” for spine and “2” for leaf. The fourth octet is the counter for the appropriate layer. For example, 10.0.1.1/32 is the first spine switch in the topology while 10.0.2.4/32 is the fourth leaf switch.