Cyclades-PR2000
CONFIG=>IP=>BGP4=>ACCESS LIST=>CONFIGURE RULES=><ACCESS LIST NAME>=>ADD
Parameter | Description |
Rule Status | Enables the rule. |
Scope | See explanation of this parameter in step 3. |
Rule AS Position | Applies only for Access List Type equal to AS Path. Limits the search on AS number to |
| a particular position in the route. For the example in Figure 12.5, Any would be the |
| correct choice because AS 5 will appear in the middle or the beginning of the route. |
Rule AS Number | Applies only for Access List Type equal to AS Path. Applies the rule to routes |
| containing this AS number, with the restriction given in the preceding parameter. |
Rule Distr. Search | Applies only for Access List Type equal to Dist BGP. Exact filters rules that match the |
Type | IP Address/Mask pair exactly. Refine matches more specific routes. |
Rule Distr. Address | Applies only for Access List Type equal to Dist BGP. Applies the rule to routes with |
| this IP number and the mask defined in the next parameter. |
Rule Distr. Mask | Applies only for Access List Type equal to Dist BGP. The shortened mask that is used |
Bitlen | with the IP address defined in the previous parameter. |
Community | Applies only for Access List Type equal to Community BGP. Applies this rule to the |
| community number entered or to |
| Communities. |
STEP FIVE
Each access list can be applied to more than one interface. The access list parameters in the Neighbor Menu for the appropriate neighbor should be set now, since the access lists did not exist during step two.
Chapter 9 - Routing Protocols | 83 |