Configuring Bgp Gr - HP 3600 v2 series Configuration Manual

Configure a BGP confederation
After you split an AS into multiple sub ASs, you can configure a router in a sub AS as follows:
Enable BGP and specify the AS number of the router.
1.
Specify the confederation ID. From an outsider's perspective, the sub ASs of the confederation is
2.
a single AS, which is identified by the confederation ID.
If the router must establish eBGP connections to other sub ASs, you must specify the peering sub
3.
ASs in the confederation.
A confederation contains a maximum of 32 sub ASs. The AS number of a sub AS is effective only in the
confederation.
Follow these steps to configure a BGP confederation:
To do...
Enter system view
Enter BGP view
Configure a confederation ID
Specify peering sub ASs in the confederation
Configure confederation compatibility
If some other routers in the confederation do not comply with RFC 3065, enable confederation
compatibility to allow the router to work with those routers.
Follow these steps to configure confederation compatibility:
To do...
Enter system view
Enter BGP view
Enable compatibility with routers not compliant
with RFC 3065 in the confederation

Configuring BGP GR

Perform the following configuration on the GR Restarter and GR Helper, respectively.
NOTE:
A device can act as a GR Restarter and GR Helper at the same time.
Follow these steps to configure BGP GR:
To do...
Enter system view
Use the command...
system-view
bgp as-number
confederation id as-number
confederation peer-as
as-number-list
Use the command...
system-view
bgp as-number
confederation nonstandard
Use the command...
system-view
228
Remarks
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—
Required
Not configured by
default.
Required
Not configured by
default.
Remarks
—
—
Optional
Not enabled by default
Remarks
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