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MP-BGP

Hello.

I have a question. Does BGP send multiprotocol updates with usual IPv4 updates or separately? Coz I dont understand  MP_REACH_NLRI attribute. It is a part of usual BGP updates or separate update?

1 Accepted Solution

Accepted Solutions

Harold Ritter
Cisco Employee
Cisco Employee

Hi Volodymyr,

Each address family update message will be sent separately as their can be only one MP_REACH_NLRI AF type per update message.

Regards

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

View solution in original post

3 Replies 3

rais
Level 7
Level 7

The packet structure for each family of protocol/NLRI is different for Updates. All are Updates but catering for different data structures.

Thanks.

Harold Ritter
Cisco Employee
Cisco Employee

Hi Volodymyr,

Each address family update message will be sent separately as their can be only one MP_REACH_NLRI AF type per update message.

Regards

Harold Ritter
Sr Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México

Thanks))) As thought)))

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