Dell BigIron RX Series, Руководство по настройке

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838 BigIron RX Series Configuration Guide
53-1002253-01
Displaying BGP4 information
26
This display shows the following information.
TABLE 127 BGP4 route summary information for a neighbor
This field... Displays...
Routes Received How many routes the device has received from the neighbor during the
current BGP4 session.
•
Accepted/Installed – Indicates how many of the received routes the
device accepted and installed in the BGP4 route table.
•
Filtered – Indicates how many of the received routes the device did
not accept or install because they were denied by filters on the
device.
Routes Selected as BEST Routes The number of routes that the device selected as the best routes to their
destinations.
BEST Routes not Installed in IP
Forwarding Table The number of 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 Routes The number of routes received from the neighbor that are unreachable
because the device does not have a valid RIP, OSPF, or static route to the
next hop.
History Routes The number of routes that are down but are being retained for route flap
dampening purposes.
NLRIs Received in Update Message The number of routes received in Network Layer Reachability (NLRI)
format in UPDATE messages.
•
Withdraws – The number of withdrawn routes the device has
received.
•
Replacements – The number of replacement routes the device has
received.
NLRIs Discarded due to Indicates the number of times the device discarded an NLRI for the
neighbor due to the following reasons:
•
Maximum Prefix Limit – The device’s configured maximum prefix
amount had been reached.
•
AS Loop – An AS loop occurred. An AS loop occurs when the BGP4
AS-path attribute contains the local AS number.
•
Invalid Nexthop – The next hop value was not acceptable.
•
Duplicated Originator_ID – The originator ID was the same as the
local router ID.
•
Cluster_ID – The cluster list contained the local cluster ID, or
contained the local router ID (see above) if the cluster ID is not
configured.
Routes Advertised The number of routes the device has advertised to this neighbor.
•
To be Sent – The number of routes the device has queued to send
to this neighbor.
•
To be Withdrawn – The number of NLRIs for withdrawing routes the
device has queued up to send to this neighbor in UPDATE
messages.