host1#show ip bgp regexp ^200 | begin Prefix
% invalid regular expression
Because the show ip bgp quote-regexp command accepts only one string as an
argument to the regular expression, output filtering is possible:
host1#show ip bgp quote-regexp ^200 | begin Prefix
Prefix Next-hop MED CalPrf Weight AS-path
10.99.1.2/32 10.1.1.2 100 100 200
10.99.1.3/32 10.1.1.2 100 100 200 10
10.99.1.4/32 10.1.1.2 100 100 200 10 20
show ip bgp summary
show bgp ipv6 summary
â– Use to summarize the status of all BGP neighbors.
â– You can use the field options to display filtered information about BGP neighbors.
â– If you filter the display with field options, the usual introductory information
about BGP attributes is displayed only if you issue the intro fields option. See
show ip bgp for descriptions of the fields displayed by this keyword.
â– You can use the default-fields peer command to specify default fields to be
displayed by subsequently issued show ip bgp summary commands.
â– Field descriptions
■Local router ID—Router ID of the local router
■Local AS—AS number of local router
■Administrative state—BGP administrative state, start or stop
■BGP Operational state—Operational state, up, down, or overload
■Shutdown in overload state—Status, enabled or disabled
■Default local preference—Default value for local preference
■IGP synchronization—Synchronization status, enabled or disabled
■Default originate—Whether network 0.0.0.0 is redistributed into BGP
(enabled) or not (disabled)
■Auto-summary—Status of auto summarization of routes redistributed into
BGP
■Always compare MED—Status, enabled or disabled
■Compare MED within confederation—Status, enabled or disabled
■Advertise inactive routes—Status, enabled or disabled
■Advertise best external route to internal peer—Status, enabled or disabled
■Enforce first AS—Status, enabled or disabled
■Missing MED as worst—Status, enabled or disabled
Monitoring BGP â– 193
Chapter 1: Configuring BGP Routing