Hi group, I am preparing routing 2.0 exam.And I got a question about summarization,that is: please see following figure: | | | other network | RouterA-----------------RouterB | | 172.16.10.16/29 | | | 172.16.11.4/30 | | | | 172.16.11.8/27 RouterC Question is:when I use manual summarization configuration,what is the summary network address look like: some one ever said : 172.16.1.0/24 Is it correct?why? I need your help.Thanks Dean _________________________________ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]