- The document is a presentation on BGP concepts including attributes like ORIGIN, NEXT_HOP, and AS_PATH. It discusses how BGP selects the best path and provides examples of attribute values.
- It covers using the "show ip bgp" command to view BGP routing table entries and analyze attribute information. Examples are given to illustrate the meaning of attribute codes.
- The presentation is based on information from networking books and Cisco documentation, with examples drawn from Cisco's website.
91. BGP Route Filtering The distribute-list command can be used to filter updates so that AS1 does not receive transit traffic to network 192.69.10.0 /24. RTA filters update to RTC so it does not include the 192.69.10.0/24 network.
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97. BGP Route Filtering - Prefix lists Parameter Description list-name Specifies the name of a prefix list. seq (Optional) Applies the sequence number to the prefix list entry being created or deleted. seq-value (Optional) Specifies the sequence number for the prefix list entry. deny Denies access to matching conditions. permit Permits access for matching conditions. network /len (Mandatory) The network number and length (in bits) of the network mask. ge (Optional) Applies ge-value to the range specified. ge-value (Optional) Specifies the lesser value of a range (the "from" portion of the range description). le (Optional) Applies le-value to the range specified. le-value (Optional) Specifies the greater value of a range (the "to" portion of the range description).
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107. Ch. 9 – BGP (Part 2) CCNP 1 version 3.0 Rick Graziani Cabrillo College