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Configuring BGP4
December 2005
© Foundry Networks, Inc.
21 - 71
Unreachable Routes
The number of routes received from the neighbor that are
unreachable because the Layer 3 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Withdraws – The number of withdrawn routes the Layer 3 Switch
has received.
•
Replacements – The number of replacement routes the Layer 3
Switch has received.
NLRIs Discarded due to
Indicates the number of times the Layer 3 Switch discarded an NLRI
for the neighbor due to the following reasons:
•
Maximum Prefix Limit – The Layer 3 Switch’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 Layer 3 Switch has advertised to this
neighbor.
•
To be Sent – The number of routes the Layer 3 Switch has
queued to send to this neighbor.
•
To be Withdrawn – The number of NLRIs for withdrawing routes
the Layer 3 Switch has queued up to send to this neighbor in
UPDATE messages.
NLRIs Sent in Update Message
The number of NLRIs for new routes the Layer 3 Switch has sent to
this neighbor in UPDATE messages.
•
Withdraws – The number of routes the Layer 3 Switch has sent to
the neighbor to withdraw.
•
Replacements – The number of routes the Layer 3 Switch has
sent to the neighbor to replace routes the neighbor already has.
Table 21.6: BGP4 Route Summary Information for a Neighbor (Continued)
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Summary of Contents for FastIron Edge Switch X424
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