Thanks Alvaro !
On Tue, Jan 4, 2022 at 11:02 AM Alvaro Retana <[email protected]> wrote: > On January 4, 2022 at 10:44:35 AM, Gyan Mishra wrote: > > Gyan: > > > ... > > > All capabilities are signaled in the OPEN, so there's no possibility > > > for receiving a Role Capability afterwards. > > > > Gyan> Agreed. The multiple capabilities received is mentioned in the > text, > > Gyan> however as it’s signaled in the open how would multiple > capabilities > > Gyan> be received. As the role capabilities are sent in the open , how > can > > Gyan> the possibility of multiple capabilities occur? > > The OPEN can include multiple instances of the same capability. This > is from rfc5492: > > BGP speakers SHOULD NOT include more than one instance of a > capability with the same Capability Code, Capability Length, and > Capability Value. Note, however, that processing of multiple > instances of such capability does not require special handling, as > additional instances do not change the meaning of the announced > capability; thus, a BGP speaker MUST be prepared to accept such > multiple instances. > > BGP speakers MAY include more than one instance of a capability (as > identified by the Capability Code) with non-zero Capability Length > field, but with different Capability Value and either the same or > different Capability Length. Processing of these capability > instances is specific to the Capability Code and MUST be described in > the document introducing the new capability. > > > Alvaro. > -- <http://www.verizon.com/> *Gyan Mishra* *Network Solutions A**rchitect * *Email [email protected] <[email protected]>* *M 301 502-1347*
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