I am sorry let me correct it is ICMP type 3 and the code can be 9, 10, or 13 depending on how the traffic is being restricted.
Regards, Tyson Scott - CCIE #13513 R&S, Security, and SP Managing Partner / Sr. Instructor - IPexpert, Inc. Mailto: <mailto:[email protected]> [email protected] Telephone: +1.810.326.1444, ext. 208 Live Assistance, Please visit: <http://www.ipexpert.com/chat> 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 <http://www.ipexpert.com/communities> www.ipexpert.com/communities and our public website at <http://www.ipexpert.com/> www.ipexpert.com From: Tyson Scott [mailto:[email protected]] Sent: Friday, May 28, 2010 2:28 PM To: 'Kingsley Charles'; '[email protected]' Subject: RE: [OSL | CCIE_Security] Need reference for icmp any any administratively-prohibited It is when traffic is blocked by an access-list or some other means of blocking the traffic icmp type 9 will be returned in certain situations. RFC 1122 is the source but doesn't go into much depth. 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 Kingsley Charles Sent: Friday, May 28, 2010 2:05 PM To: [email protected] Subject: [OSL | CCIE_Security] Need reference for icmp any any administratively-prohibited Hi all I am trying understand "administratively-prohibited" keyword present in IP extended access-list. icmp any any administratively-prohibited Please do explain and also give me the reference link. If it is the ccie doc link, it would be great. With regards Kings
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