Netgear XCM8806 Chassis User Manual - Page 350

NETGEAR 8800 User Manual Table 38. AS Regular Expression Notation (Continued) Character { } ( ) Definition Start of AS SET segment in the AS path End of AS SET segment in the AS path Start of a confederation segment in the AS path End of a confederation segment in the AS path Table 39. Policy Regular Expression Examples Attribute Regular Expression Example Matches AS path is 1234 Zero or more occurrences of AS number 1234 Start of AS path set "1234" "1234*" "10 12 { 34" 1234 1234 1234 1234 10 12 34 { 99 33 10 12 { 34 37 End of AS path set Path that starts with 99 followed by 34 "12 } 34" "^99 34 " 12 } 34 56 99 34 45 Path that ends with 99 "99 $" Path of any length that begins with AS numbers 4, 5, 6 "4 5 6 .*" Path of any length that ends with AS numbers 4, 5, 6 ".* 4 5 6 $" 45 66 99 4 5 6 4 5 6 7 8 9 4 5 6 1 2 3 4 5 6 Following are additional examples of using regular expressions in the AS-Path statement. The following AS-Path statement matches AS paths that contain only (begin and end with) AS number 65535: as-path "^65535$" The following AS-Path statement matches AS paths beginning with AS number 65535, ending with AS number 14490, and containing no other AS paths: as-path "^65535 14490$" The following AS-Path statement matches AS paths beginning with AS number 1, followed by any AS number from 2 - 8, and ending with either AS number 11, 13, or 15: as-path "^1 2-8 [11 13 15]$" The following AS-Path statement matches AS paths beginning with AS number 111 and ending with any AS number from 2 - 8: as-path "111 [2-8]$" 350 | Chapter 14. Routing Policies