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Configuring BGP4
Peer Out of Memory Count for:
Receiving Update Messages:0, Accepting Routes(NLRI):0
Attributes:0, Outbound Routes(RIB-out):0
This display shows the following information.
Table 10.7: BGP4 Route Summary Information for a Neighbor
This Field... Displays...
Routes Received How many routes the routing switch has received from the neighbor
during the current BGP4 session.
• Accepted/Installed – Indicates how many of the received routes
the routing switch accepted and installed in the BGP4 route table.
• Filtered – Indicates how many of the received routes the routing
switch did not accept or install because they were denied by
filters on the routing switch.
Routes Selected as BEST Routes The number of routes that the routing switch 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 routing switch 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 routing switch 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• Withdraws – The number of withdrawn routes the routing switch
has received.
• Replacements – The number of replacement routes the routing
switch has received.
NLRIs Discarded due to Indicates the number of times the routing switch discarded an NLRI
for the neighbor due to the following reasons:
• Maximum Prefix Limit – The routing switch’s configured
maximum prefix amount had been reached.
• AS Loop – An AS loop occurred. n 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.
A
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