TTL Security set to 1 will only work for directly connected interface. If you are using loopbacks then TTL will need to be 2. Would need to see the specific question to understand the statement better.
Regards, Tyson Scott - CCIE #13513 R&S, Security, and SP Managing Partner / Sr. Instructor - IPexpert, Inc. Mailto: [email protected] Telephone: +1.810.326.1444, ext. 208 Live Assistance, Please visit: www.ipexpert.com/chat eFax: +1.810.454.0130 IPexpert is a premier provider of Self-Study Workbooks, Video on Demand, Audio Tools, Online Hardware Rental and Classroom Training for the Cisco CCIE (R&S, Voice, Security & Service Provider) certification(s) with training locations throughout the United States, Europe, South Asia and Australia. Be sure to visit our online communities at www.ipexpert.com/communities and our public website at www.ipexpert.com <http://www.ipexpert.com/> From: [email protected] [mailto:[email protected]] On Behalf Of Vybhav Ramachandran Sent: Monday, June 21, 2010 7:55 AM To: OSL Security Subject: [OSL | CCIE_Security] TTL-Security Guys, The task asks for BGP to be configured such that the neighbor is not more than 1 hop away. So i'm thinking the command is router bgp 100 neighbor 136.1.23.2 ttl-security hops 1 But the solution states neighbor 136.1.23.2 ttl-security hops 2 Can someone please explain why this is? Thanks! TacACK
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