bfd module

class bfd.BFD(_pkt='', post_transform=None, _internal=0, _underlayer=None, **fields)

Bases: scapy.packet.Packet

aliastypes = [<class 'bfd.BFD'>, <class 'scapy.packet.Packet'>]

fields_desc = [<Field (BFD).version>, <Field (BFD).diag>, <Field (BFD).state>, <Field (BFD).flags>, <Field (BFD).detect_mult>, <Field (BFD).length>, <Field (BFD).my_discriminator>, <Field (BFD).your_discriminator>, <Field (BFD).desired_min_tx_interval>, <Field (BFD).required_min_rx_interval>, <Field (BFD).required_min_echo_rx_interval>]

mysummary()

udp_dport = 3784

BFD destination port per RFC 5881

udp_sport_max = 65535

BFD source port max value per RFC 5881

udp_sport_min = 49152

BFD source port min value per RFC 5881

class bfd.BFDDiagCode(value)

Bases: util.NumericConstant

BFD Diagnostic Code

administratively_down = 7

concatenated_path_down = 6

control_detection_time_expired = 1

desc_dict = {0: 'No diagnostic', 1: 'Control Detection Time Expired', 2: 'Echo Function Failed', 3: 'Neighbor Signaled Session Down', 4: 'Forwarding Plane Reset', 5: 'Path Down', 6: 'Concatenated Path Down', 7: 'Administratively Down', 8: 'Reverse Concatenated Path Down'}

echo_function_failed = 2

forwarding_plane_reset = 4

neighbor_signaled_session_down = 3

no_diagnostic = 0

path_down = 5

reverse_concatenated_path_down = 8

class bfd.BFDState(value)

Bases: util.NumericConstant

BFD State

admin_down = 0

desc_dict = {0: 'AdminDown', 1: 'Down', 2: 'Init', 3: 'Up'}

down = 1

init = 2

up = 3

class bfd.VppBFDUDPSession(test, interface, peer_addr, local_addr=None, af=2, desired_min_tx=100000, required_min_rx=100000, detect_mult=3)

Bases: vpp_object.VppObject

Represents BFD UDP session in VPP

add_vpp_config()

admin_up()

af

Address family - AF_INET or AF_INET6

bs_index

BFD session index from VPP

desired_min_tx

detect_mult

interface

Interface on which this session lives

local_addr

BFD session local address (VPP address)

local_addr_n

BFD session local address (VPP address) - raw, suitable for API

object_id()

peer_addr

BFD session peer address

peer_addr_n

BFD session peer address - raw, suitable for API

query_vpp_config()

remove_vpp_config()

required_min_rx

state

BFD session state

test

Test which created this session