Cisco WS-C3550-12G, Руководство пользователя

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11-24
Cisco Catalyst Switch Manager User Guide
OL-4930-01
Chapter 11 Routing Management
BGP Management Window
The following is displayed on the BGP Management—Enable window:
– New BGP AS ID—BGP autonomous system number to be enabled.
–
Enable BGP—Enables BGP routing on the selected device.
Note
An error will be reported if BGP is already enabled on the switch or router.
• Disable—Disables BGP on the switch or router.
BGP Network Path Attribute Table
The BGP Network Path Attribute Table area contains information about paths to destination networks
received from all BGP peers. This area contains the following columns:
• Neighbor IP Address—IP address of the peer from which the path information was learned. This
address is 0.0.0.0 if this information was learned internally.
• Network Address—IP address of the destination network.
• Network Mask—Length of the destination network IP address prefix in the Network Layer
Reachability Information field.
•
Path Origin—Ultimate origin of the path information. This has the following values:
– igp—Interior Gateway Protocol advertised with a network router configuration command.
–
egp—Exterior Gateway Protocol.
– incomplete—Unknown origin. Usually, a router that is distributed into BGP from an IGP.
• Border Router IP Address—Address of the border router that should be used for the destination
network.
• Multiple Exit Point Discriminate Metric—Metric used to discriminate between multiple exit points
to an adjacent autonomous system. A value of -1 indicates the absence of this attribute.
•
Degree of Preference—Degree of preference for an advertised route. A value of -1 indicates an
absence of this attribute.
• Add/Remove Network Path Attribute Entry—Adds or removes specific network(s) to be advertised
(or not to be advertised) by the Border Gateway Protocol (BGP). Launches the BGP
Management—Configure Path window.