Dell S5000 FTOS 9.0(1.3) Configuration Guide for the Switch - Page 226
Command Syntax, Command Mode, Purpose, Table 9-4., Regular Expressions, Regular, Expression
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www.dell.com | support.dell.com Table 9-4. Regular Expressions Regular Expression Definition ( ) (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) | (pipe) 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. Matches characters on either side of the metacharacter; logical OR. As seen in the example in Regular Expressions as filters, 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. Command Syntax redistribute {connected | static} [route-map map-name] redistribute isis [level-1 | level-1-2 | level-2] [metric value] [route-map map-name] Command Mode ROUTER BGP or CONF-ROUTER_BGPv6_ AF ROUTER BGP or CONF-ROUTER_BGPv6_ AF Purpose Include, directly connected or user-configured (static) routes in BGP. Configure the following parameters: • map-name: name of a configured route map. Include specific ISIS routes in BGP. Configure the following parameters: • level-1, level-1-2, or level-2: Assign all redistributed routes to a level. Default is level-2. • metric range: 0 to 16777215. Default is 0. • map-name: name of a configured route map. 226 | Border Gateway Protocol IPv4 (BGPv4)
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