Dell BigIron RX Series, Configuration Manual

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BigIron RX Series Configuration Guide 831
53-1002253-01
Displaying BGP4 information
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The attribute-entries option shows the attribute-entries associated with routes received from the
neighbor.
The flap-statistics option shows the route flap statistics for routes received from or sent to the
neighbor.
The last-packet-with-error option displays the last packet from the neighbor that contained an error.
The packet's contents are displayed in decoded (human-readable) format.
The received prefix-filter option shows the Outbound Route Filters (ORFs) received from the
neighbor. This option applies to cooperative route filtering.
The received-routes option lists all the route information received in route updates from the
neighbor since the soft reconfiguration feature was enabled. Refer to
“Using soft reconfiguration”
on page 817.
The routes option lists the routes received in UPDATE messages from the neighbor. You can specify
the following additional options:
•
best – Displays the routes received from the neighbor that the device selected as the best
routes to their destinations.
•
not-installed-best – Displays the routes received from the neighbor that are the best BGP4
routes to their destinations, but were nonetheless not installed in the IP route table because
the device received better routes from other sources (such as OSPF, RIP, or static IP routes).
•
unreachable – Displays the routes that are unreachable because the device does not have a
valid RIP, OSPF, or static route to the next hop.
•
detail – Displays detailed information for the specified routes. You can refine your information
request by also specifying one of the options above (best, not-installed-best, or unreachable).
The rib-out-routes option lists the route information base (RIB) for outbound routes. You can
display all the routes or specify a network address.
The routes-summary option displays a summary of the following information:
•
Number of routes received from the neighbor
•
Number of routes accepted by this device from the neighbor
•
Number of routes this device filtered out of the UPDATES received from the neighbor and did
not accept
•
Number of routes advertised to the neighbor
•
Number of attribute entries associated with routes received from or advertised to the neighbor.
This display shows the following information.
TABLE 126 BGP4 neighbor information
This field... Displays...
IP Address The IP address of the neighbor.
AS The AS the neighbor is in.
EBGP/IBGP Whether the neighbor session is an IBGP session, an EBGP session, or a
confederation EBGP session.
•
EBGP – The neighbor is in another AS.
•
EBGP_Confed – The neighbor is a member of another sub-AS in the
same confederation.
•
IBGP – The neighbor is in the same AS.
RouterID The neighbor’s router ID.