| Exam 642-883 | Question id=3432 | Route Manipulations in Service Provider Environments |
Which two of the following are true regarding the BGP Prefix-Based outbound route filtering feature?
| A. |
IP multicast routes are not supported. | |
| B. |
Outbound route filtering is configured only on a per-address family basis. | |
| C. |
Outbound route filtering can be configured for either iBGP or eBGP sessions. | |
| D. |
The outbound route filter can be defined in a Prefix list, Distribute list or Access lists. | |
| E. |
Outbound route filtering is more effective when a distance vector IGP is used. |
Restrictions for BGP Prefix-Based Outbound Route Filtering
· The BGP Prefix-Based Outbound Route Filtering feature does not support IP multicast routes.
· IP addresses that are used for outbound route filtering must be defined in an IP prefix-list. BGP distribute lists and IP access lists are not supported.
· Outbound route filtering is configured on only a per-address family basis and cannot be configured under the general session or BGP routing process (Router(config-router)#).
· Outbound route filtering is configured for only external peering sessions.