Merge "Fixed help messages for path_mtu and global_physnet_mtus options"
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commit
4af2fede24
@ -42,23 +42,17 @@ ml2_opts = [
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cfg.IntOpt('path_mtu', default=0,
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cfg.IntOpt('path_mtu', default=0,
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help=_('Maximum size of an IP packet (MTU) that can traverse '
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help=_('Maximum size of an IP packet (MTU) that can traverse '
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'the underlying physical network infrastructure without '
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'the underlying physical network infrastructure without '
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'fragmentation. For instances using a '
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'fragmentation when using an overlay/tunnel protocol. '
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'self-service/private network, neutron subtracts the '
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'This option allows specifying a physical network MTU '
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'overlay protocol overhead from this value and '
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'value that differs from the default global_physnet_mtu '
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'provides it to instances via DHCP option 26. For '
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'value.')),
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'example, using a value of 9000, DHCP provides 8950 '
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'to instances using a VXLAN network that contains '
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'50 bytes of overhead. Using a value of 0 disables '
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'this feature and instances typically default to a '
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'1500 MTU. Only impacts instances, not neutron network '
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'components such as bridges and routers.')),
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cfg.ListOpt('physical_network_mtus',
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cfg.ListOpt('physical_network_mtus',
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default=[],
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default=[],
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help=_("A list of mappings of physical networks to MTU "
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help=_("A list of mappings of physical networks to MTU "
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"values. The format of the mapping is "
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"values. The format of the mapping is "
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"<physnet>:<mtu val>. This mapping allows "
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"<physnet>:<mtu val>. This mapping allows "
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"specifying a physical network MTU value that "
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"specifying a physical network MTU value that "
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"differs from the default segment_mtu value.")),
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"differs from the default global_physnet_mtu value.")),
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cfg.StrOpt('external_network_type',
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cfg.StrOpt('external_network_type',
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help=_("Default network type for external networks when no "
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help=_("Default network type for external networks when no "
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"provider attributes are specified. By default it is "
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"provider attributes are specified. By default it is "
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