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Configuring BGP4
December 2005
© Foundry Networks, Inc.
21 - 53
[comm-list <acl> delete] |
[community <num>:<num> | <num> | internet | local-as | no-advertise | no-export] |
[dampening [<half-life> <reuse> <suppress> <max-suppress-time>]]
[[default] interface null0 |
[ip [default] next hop <ip-addr>]
[ip next-hop peer-address] |
[local-preference <num>] |
[metric [+ | - ]<num> | none] |
[metric-type type-1 | type-2] |
[metric-type internal] |
[next-hop <ip-addr>] |
[nlri multicast | unicast | multicast unicast] |
[origin igp | incomplete] |
[tag <tag-value>] |
[weight <num>]
The
as-path prepend
<num,num,...> parameter adds the specified AS numbers to the front of the AS-path list for
the route.
The
automatic-tag
parameter calculates and sets an automatic tag value for the route.
NOTE:
This parameter applies only to routes redistributed into OSPF.
The
comm-list
parameter deletes a community from a BGP4 route’s community attributes field.
The
community
parameter sets the community attribute for the route to the number or well-known type you
specify.
The
dampening
[<half-life> <reuse> <suppress> <max-suppress-time>] parameter sets route dampening
parameters for the route. The <half-life> parameter specifies the number of minutes after which the route’s
penalty becomes half its value. The <reuse> parameter specifies how low a route’s penalty must become before
the route becomes eligible for use again after being suppressed. The <suppress> parameter specifies how high a
route’s penalty can become before the Layer 3 Switch suppresses the route. The <max-suppress-time>
parameter specifies the maximum number of minutes that a route can be suppressed regardless of how unstable
it is. For information and examples, see “Configuring Route Flap Dampening” on page 21-58.
The
[default] interface null0
parameter redirects the traffic to the specified interface. You can send the traffic to
the null0 interface, which is the same as dropping the traffic. You can specify more than one interface, in which
case the Layer 3 Switch uses the first available port. If the first port is unavailable, the Layer 3 Switch sends the
traffic to the next port in the list. If you specify
default
, the route map redirects the traffic to the specified interface
only if the Layer 3 Switch does not already have explicit routing information for the traffic. This option is used in
Policy-Based Routing (PBR).
The
ip [default] next hop
<ip-addr> parameter sets the next-hop IP address for traffic that matches a match
statement in the route map. If you specify
default
, the route map sets the next-hop gateway only if the Layer 3
Switch does not already have explicit routing information for the traffic. This option is used in Policy-Based
Routing (PBR).
The
ip next-hop peer-address
parameter sets the BGP4 next hop for a route to the specified neighbor address.
The
local-preference
<num> parameter sets the local preference for the route. You can set the preference to a
value from 0 – 4294967295.
The
metric
[
+
|
-
]<num> | none parameter sets the MED (metric) value for the route. The default MED value is 0.
You can set the preference to a value from 0 – 4294967295.
•
set metric
<num> – Sets the route’s metric to the number you specify.
•
set
<num> – Increases route’s metric by the number you specify.
•
set metric -
<num> – Decreases route’s metric by the number you specify.
•
set metric none
– Removes the metric from the route (removes the MED attribute from the BGP4 route).
The
metric-type type-1 | type-2
parameter changes the metric type of a route redistributed into OSPF.
Summary of Contents for FastIron Edge Switch X424
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