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Add explanatory text for constants

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This commit is contained in:
Jeremy Stretch 2020-01-24 15:03:38 -05:00
parent 096814dc33
commit c6473d654d
2 changed files with 10 additions and 1 deletions
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4
netbox/dcim/constants.py
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@ -26,7 +26,7 @@ REARPORT_POSITIONS_MAX = 64
#
INTERFACE_MTU_MIN = 1
INTERFACE_MTU_MAX = 32767
INTERFACE_MTU_MAX = 32767 # Max value of a signed 16-bit integer
VIRTUAL_IFACE_TYPES = [
InterfaceTypeChoices.TYPE_VIRTUAL,
@ -49,7 +49,9 @@ NONCONNECTABLE_IFACE_TYPES = VIRTUAL_IFACE_TYPES + WIRELESS_IFACE_TYPES
#
POWERFEED_VOLTAGE_DEFAULT = 120
POWERFEED_AMPERAGE_DEFAULT = 20
POWERFEED_MAX_UTILIZATION_DEFAULT = 80 # Percentage

7
netbox/ipam/constants.py
View File

@ -9,6 +9,11 @@ BGP_ASN_MAX = 2**32 - 1
# VRFs
#
# Per RFC 4364 section 4.2, a route distinguisher may be encoded as one of the following:
# * Type 0 (16-bit AS number : 32-bit integer)
# * Type 1 (32-bit IPv4 address : 16-bit integer)
# * Type 2 (32-bit AS number : 16-bit integer)
# 21 characters are sufficient to convey the longest possible string value (255.255.255.255:65535)
VRF_RD_MAX_LENGTH = 21
@ -42,6 +47,7 @@ IPADDRESS_ROLES_NONUNIQUE = (
# VLANs
#
# 12-bit VLAN ID (values 0 and 4095 are reserved)
VLAN_VID_MIN = 1
VLAN_VID_MAX = 4094
@ -50,5 +56,6 @@ VLAN_VID_MAX = 4094
# Services
#
# 16-bit port number
SERVICE_PORT_MIN = 1
SERVICE_PORT_MAX = 65535