Dell Force10 E1200i FTOS Version 8.4.1.5 Configuration Guide for ExaScale - Page 229

Expressions accepted in FTOS Table 12-4, "Regular Expressions," in Border Gateway Protocol IPv4 (BGPv4) lists the Regular As seen in Table 12-4. Regular Expressions Regular Expression Definition ^ (caret) Matches the beginning of the input string. Alternatively, when used as the first character within brackets [^ ] matches any number except the ones specified within the brackets. $ (dollar) Matches the end of the input string. . (period) Matches any single character, including white space. * (asterisk) Matches 0 or more sequences of the immediately previous character or pattern. + (plus) Matches 1 or more sequences of the immediately previous character or pattern. ? (question) Matches 0 or 1 sequence of the immediately previous character or pattern. ( ) (parenthesis) Specifies patterns for multiple use when followed by one of the multiplier metacharacters: asterisk *, plus sign +, or question mark ? [ ] (brackets) Matches any enclosed character; specifies a range of single characters - (hyphen) Used within brackets to specify a range of AS or community numbers. _ (underscore) Matches a ^, a $, a comma, a space, a {, or a }. Placed on either side of a string to specify a literal and disallow substring matching. Numerals enclosed by underscores can be preceded or followed by any of the characters listed above. | (pipe) Matches characters on either side of the metacharacter; logical OR. In the example above, the expressions are displayed when using the show commands. Use the show config command in the CONFIGURATION AS-PATH ACL mode and the show ip as-path-access-list command in EXEC Privilege mode to view the AS-PATH ACL configuration. For more information on this command and route filtering, refer to Filter BGP routes. Redistribute routes In addition to filtering routes, you can add routes from other routing instances or protocols to the BGP process. With the redistribute command syntax, you can include ISIS, OSPF, static, or directly connected routes in the BGP process. Use any of the following commands in ROUTER BGP mode to add routes from other routing instances or protocols. Border Gateway Protocol IPv4 (BGPv4) | 229