IP Router Configuration
7705 SAR OS Router Configuration Guide 93
Multiple entries with the same prefix but a different mask can be configured; routes are aggregated to
the longest mask. If one aggregate is configured as 10.0/16 and another as 10.0.0/24, then route
10.0.128/17 would be aggregated into 10.0/16, and route 10.0.0.128/25 would be aggregated into
10.0.0/24. If multiple entries are made with the same prefix and the same mask, the previous entry is
overwritten.
The no form of the command removes the aggregate.
The following adapter cards support the full IPv6 subnet range for IPv6 static routes:
• 6-port Ethernet 10Gbps Adapter card
• 8-port Gigabit Ethernet Adapter card, version 2 and version 3
• 2-port 10GigE (Ethernet) Adapter card (on the v-port)
• 10-port 1GigE/1-port 10GigE X-Adapter card
For these cards, the supported route range for statically provisioned or dynamically learned routes is
from /1 to /128.
For all other cards, modules, and ports (including the v-port on the 2-port 10GigE (Ethernet) module),
the supported range for statically provisioned or dynamically learned routes is from /1 to /64 or is /128
(indicating a host route).
Default no aggregate
Parameters ip-prefix/ip-prefix-length — the destination address of the aggregate route in dotted-decimal
notation
Values ipv4-prefix a.b.c.d (host bits must be 0)
ipv4-prefix-length 0 to 32
Values ipv6-prefix x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x: [0 to FFFF]H
d: [0 to 255]D
ipv6-prefix-length {0 to 128} | {0 to 64 | 128}
summary-only — suppresses advertisement of more specific component routes for the aggregate
To remove the summary-only option, enter the same aggregate command without the
summary-only parameter.
ecmp
Syntax ecmp max-ecmp-routes
no ecmp
Context config>router
Description This command enables ECMP and configures the number of routes for path sharing; for example, the
value 2 means two equal-cost routes will be used for cost sharing.
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