Regarding the MTU value of MP-BGP EVPN control plane packets in Cisco ACI, which statement about communication between spine nodes in different sites is true?

The correct answer is D. By default, spine nodes generate 9000-bytes packets to exchange endpoints routing information.. Maximum transmission unit (MTU) of Multiprotocol Border Gateway Protocol (MP-BGP) Ethernet Virtual Private Network (EVPN) control plane communication between spine nodes in different sites - By default, the spine nodes generate 9000-byte packets to exchange endpoint routing infor

Multi-Pod and Multi-Site

Question

Options

ABy default, spine nodes generate 9000-bytes packets to exchange endpoints routing information.
BBy default, spine nodes generate 1500-bytes packets to exchange endpoints routing information.
CBy default, spine nodes generate 1500-bytes packets to exchange endpoints routing information.
DBy default, spine nodes generate 9000-bytes packets to exchange endpoints routing information.

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(60 responses)

A
3% (2)
B
2% (1)
C
2% (1)
D
93% (56)

Explanation

Maximum transmission unit (MTU) of Multiprotocol Border Gateway Protocol (MP-BGP) Ethernet Virtual Private Network (EVPN) control plane communication between spine nodes in different sites - By default, the spine nodes generate 9000-byte packets to exchange endpoint routing information. If that default value is not modified, the Inter Site Network (ISN) must support an MTU size of at least 9100 bytes. In order to tune the default value, modify the corresponding system settings in each APIC domain.

Topics

#MTU#MP-BGP EVPN#Multi-Site#spine communication

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