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cisco:bgp [2008/07/06 12:49] a Extracting BGP info with regular expressions |
cisco:bgp [2009/05/25 00:35] (current) |
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| route-map standardout permit 20 | route-map standardout permit 20 | ||
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| + | ===== Useful commands ===== | ||
| + | FIXME - styling (and more detailed) | ||
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| + | and | ||
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| ===== Preventing AS from becoming Transit AS ===== | ===== Preventing AS from becoming Transit AS ===== | ||
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| route-map prepend permit 10 | route-map prepend permit 10 | ||
| set as-path prepend 65001 65001 65001 | set as-path prepend 65001 65001 65001 | ||
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| ===== Extracting BGP info with regular expressions ===== | ===== Extracting BGP info with regular expressions ===== | ||
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| + | **Short version:** | ||
| + | show ip bgp regexp [AS]$ - list all network paths with that AS | ||
| + | show ip bgp regexp _AS_ - match any route going through AS | ||
| + | show ip bgp regexp _AS AS_ - match any route passed through AS and AS | ||
| + | show ip bgp regexp _AS$ - match only routes originated in this AS | ||
| To find all subnets originating from AS 100 (AS path ends with 100): \\ | To find all subnets originating from AS 100 (AS path ends with 100): \\ | ||
