Use to specify the IP address of an OSPF or RIP router on this link; 10.1.180.254, for example.
Rules:
The IP address must be specified in dotted decimal notation, in which a 32-bit IP address is represented as four decimal numbers, one for each 8 bits, separated by dots (periods). Each of the four decimal numbers is greater than or equal to 0 and less than or equal to 255. For example:
00001010 00000001 10110100 11111110 a 32-bit address
10
1
180
254
dotted decimal notation (10.1.180.254)