mirror of
https://github.com/netbox-community/netbox.git
synced 2024-05-10 07:54:54 +00:00
70 lines
1.3 KiB
Python
70 lines
1.3 KiB
Python
from django.db.models import Q
|
|
|
|
from .choices import IPAddressRoleChoices
|
|
|
|
# BGP ASN bounds
|
|
BGP_ASN_MIN = 1
|
|
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)
|
|
# Also used for RouteTargets
|
|
VRF_RD_MAX_LENGTH = 21
|
|
|
|
|
|
#
|
|
# Prefixes
|
|
#
|
|
|
|
PREFIX_LENGTH_MIN = 1
|
|
PREFIX_LENGTH_MAX = 127 # IPv6
|
|
|
|
|
|
#
|
|
# IPAddresses
|
|
#
|
|
|
|
IPADDRESS_ASSIGNMENT_MODELS = Q(
|
|
Q(app_label='dcim', model='interface') |
|
|
Q(app_label='virtualization', model='vminterface')
|
|
)
|
|
|
|
IPADDRESS_MASK_LENGTH_MIN = 1
|
|
IPADDRESS_MASK_LENGTH_MAX = 128 # IPv6
|
|
|
|
IPADDRESS_ROLES_NONUNIQUE = (
|
|
# IPAddress roles which are exempt from unique address enforcement
|
|
IPAddressRoleChoices.ROLE_ANYCAST,
|
|
IPAddressRoleChoices.ROLE_VIP,
|
|
IPAddressRoleChoices.ROLE_VRRP,
|
|
IPAddressRoleChoices.ROLE_HSRP,
|
|
IPAddressRoleChoices.ROLE_GLBP,
|
|
IPAddressRoleChoices.ROLE_CARP,
|
|
)
|
|
|
|
|
|
#
|
|
# VLANs
|
|
#
|
|
|
|
# 12-bit VLAN ID (values 0 and 4095 are reserved)
|
|
VLAN_VID_MIN = 1
|
|
VLAN_VID_MAX = 4094
|
|
|
|
|
|
#
|
|
# Services
|
|
#
|
|
|
|
# 16-bit port number
|
|
SERVICE_PORT_MIN = 1
|
|
SERVICE_PORT_MAX = 65535
|