Hi All, In the following situation, where sholud I see the "DoNotAge LSA" a- only in router R2 b- only in router R1 c- in R2 and R3 d- in all router. Please, explain your answer Router R2 is configured with "ip ospf demand-circuit" area 0 ----x----------------------- | ----x------ | R1 | ABR area 6 ----x------ | | [PTSN] | | ----x----- -----x------ | R2 | | R3 | ----x----- -----x------ | | ----x-------------------------------x---- area 25 -------------------------------------------------------------------------- Eng. Paulo Roque Network Engineer [EMAIL PROTECTED] Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=5242&t=5242 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]