
Configuring IP Services
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117356-D Rev 00
Parameter: Peer Route Echo Switch
Path: Configuration Manager > Protocols > IP > BGP > Peers
Default: Enable
Options: Enable
|
Disable
Function: Controls the way the router echoes a BGP route that is selected for forwarding.
(Echoing in this case means advertising the route back to the peer from which it
was received.) If this parameter is enabled, the router advertises the route back
as reachable and includes the local AS. If this parameter is disabled, the router
echoes the route as unreachable/withdrawn.
Instructions: If the peer router saves routes that contain its own AS number and is running
short of memory, send an unreachable echo.
MIB Object ID: A BGP speaker that participates in inter-AS multicast routing must advertise a
route it receives from one of its external peers. If the router stores the route in its
routing table, it must also advertise it back to the peer from which the route was
received. For a BGP speaker that does participate in inter-AS multicast routing,
such echoing is optional.
Parameter: Delayed Granularity
Path: Configuration Manager > Protocols > IP > BGP > Peers
Default: 30 seconds
Options: 1 to 30
Function: Specifies the number of seconds a route server waits before accepting and
serving routes to a client that another route server may have accepted.
Instructions: This parameter is a backoff timer that eliminates contention between route
servers for clients. IBGP route servers in a cluster balance their client load. This
value should be less than two-thirds of the smallest holdtime interval of all
connections between route servers in the AS and their clients (including route
servers in other clusters).
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.2.5.1.2.1.36
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