387
To do…
Use the command…
Remarks
Step 4
Configure a default MED
value
default med
med-value
Optional
Defaults to 0
Step 5
Enable the comparison of
MED for routes from different
eBGP peers
compare-different-as-med
Optional
Not enabled by
default
Step 6
Enable the comparison of
MED for routes from each AS
bestroute compare-med
Optional
Disabled by default
Step 7
Enable the comparison of
MED for routes from
confederation peers
bestroute med-confederation
Optional
Disabled by default
Configuring the AS_PATH attribute
To do…
Use the command…
Remarks
Step 1
Enter system view
system-view
—
Step 2
Enter BGP view
bgp
as-number
Required
Step 3
Enter IPv6 address family view
ipv6-family
—
Step 4
Allow the local AS number to
appear in AS_PATH of routes
from a peer or peer group
and specify the repeat times
peer
{
ipv6-group-name
|
ipv6-address
}
allow-as-loop
[
number
]
Optional
Not allowed by
default
Step 5
Specify a fake AS number for
an IPv6 peer/peer group
peer
{
ipv6-group-name
|
ipv6-address
}
fake-as
as-number
Optional
Not specified by
default
Step 6
Disable IPv6 MBGP from
considering the AS_PATH
during best route selection
bestroute as-path-neglect
Optional
Enabled by default
Step 7
Configure to carry only the
public AS number in updates
sent to a peer or peer group
peer
{
ipv6-group-name
|
ipv6-address
}
public-as-only
Optional
By default, IPv6 BGP
updates carry private
AS number.
Step 8
Substitute the local AS number
for the AS number of an IPv6
peer or peer group identified
in the AS_PATH attribute
peer
{
ipv6-group-name
|
ipv6-address
}
substitute-as
Optional
Not substituted by
default
Summary of Contents for S9500E Series
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