Configuring The As_Path Attribute; Tuning And Optimizing Ipv6 Bgp Networks - HP 3600 v2 series Configuration Manual

To do...
Enter system view
Enter BGP view
Enter IPv6 address family view
Configure a default MED value
Enable the comparison of MED for
routes from different eBGP peers
Enable the comparison of MED for
routes from each AS
Enable the comparison of MED for
routes from confederation peers

Configuring the AS_PATH attribute

Follow these steps to configure the AS_PATH attribute:
To do...
Enter system view
Enter BGP view
Enter IPv6 address family view
Allow the local AS number to
appear in AS_PATH of routes from
a peer or peer group and specify
the repeat times
Specify a fake AS number for an
IPv6 peer or peer group
Disable IPv6 BGP from considering
the AS_PATH during best route
selection
Configure to carry only the public
AS number in updates sent to a
peer or peer group
Substitute the local AS number for
the AS number of an IPv6 peer or
peer group identified in the
AS_PATH attribute

Tuning and optimizing IPv6 BGP networks

This section describes configurations of IPv6 BGP timers, IPv6 BGP connection soft reset, and the
maximum number of load balanced routes.
• IPv6 BGP timers
Use the command...
system-view
bgp as-number
ipv6-family
default med med-value
compare-different-as-med
bestroute compare-med
bestroute med-confederation
Use the command...
system-view
bgp as-number
ipv6-family
peer { ipv6-group-name |
ipv6-address } allow-as-loop
[ number ]
peer { ipv6-group-name |
ipv6-address } fake-as as-number
bestroute as-path-neglect
peer { ipv6-group-name |
ipv6-address } public-as-only
peer { ipv6-group-name |
ipv6-address } substitute-as
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Remarks
—
—
—
Optional
Defaults to 0
Optional
Not enabled by default.
Optional
Disabled by default
Optional
Disabled by default
Remarks
—
—
—
Optional
Not allowed by default
Optional
Not specified by default.
Optional
Enabled by default.
Optional
By default, IPv6 BGP updates carry
a private AS number.
Optional
Not substituted by default