IP Unnumbered. This chapter has presented several ways to maximize the use of IP addresses in an organization. In previous sections, you learned that you can avoid wasting an entire subnet on point-to-point serial links by using VLSM, or use private addresses instead.
The IP unnumbered configuration is widely used in networks. It enables IP processing on a point-to-point interface without an explicit IP address. The IP unnumbered interface can "borrow" the IP address of another interface on the node. The advantages of unnumbered point-to-point links are obvious in the current IP addressing Fortinet: Static (unnumbered) PPPoE address Feb 26, 2019 Solved: How IP unnumbered works? - Cisco Community
NE40E-M2K-B Cannot use ip pool with gateway unnumbered
EIGRP Behavior with IP Unnumbered - July 19, 2020 (self.Patsof29) submitted just now by Patsof29. Carl Zellers asked an excellent question on how EIGRP works when run over FlexVPN with IP unnumbered, considering that routers will not be on a common subnet. I thought this was a great question so I took some help from my great friend, the EIGRP NE40E-M2K-B Cannot use ip pool with gateway unnumbered Oct 22, 2019
BGP over GRE tunnel using IP unnumbered — The IT
IP unnumbered – FAQs – APNIC APNIC encourages the use of the IP unnumbered functionality as it helps conserve IPv4 address space. See section 7 of APNIC guidelines for IPv4 allocation and assignment requests. What is IP unnumbered? Depending on the router vendor, IP unnumbered allows you to do IP processing on a serial interface without assigning an explicit IP address for Arista EOS Central - Unnumbered IP interface Is unnumbered IP interface supported in Arista EOS? Thanks, Laszlo. DISCLAIMER: While this platform is not officially monitored by Arista Networks, Arista affiliated persons, including Arista employees, will periodically contribute. Arista affiliated persons are not authorized Arista spokespeople and contributions posted to this forum by Arista Networks employees, partners, and customers do Verifying the IP Addresses Unnumbered for Interfaces