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- add SPDX header; - add a document title; - mark lists as such; - adjust identation, whitespaces and blank lines; - add to networking/index.rst. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
58 lines
1.6 KiB
ReStructuredText
58 lines
1.6 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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====================
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MPLS Sysfs variables
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====================
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/proc/sys/net/mpls/* Variables:
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===============================
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platform_labels - INTEGER
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Number of entries in the platform label table. It is not
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possible to configure forwarding for label values equal to or
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greater than the number of platform labels.
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A dense utilization of the entries in the platform label table
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is possible and expected as the platform labels are locally
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allocated.
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If the number of platform label table entries is set to 0 no
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label will be recognized by the kernel and mpls forwarding
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will be disabled.
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Reducing this value will remove all label routing entries that
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no longer fit in the table.
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Possible values: 0 - 1048575
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Default: 0
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ip_ttl_propagate - BOOL
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Control whether TTL is propagated from the IPv4/IPv6 header to
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the MPLS header on imposing labels and propagated from the
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MPLS header to the IPv4/IPv6 header on popping the last label.
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If disabled, the MPLS transport network will appear as a
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single hop to transit traffic.
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* 0 - disabled / RFC 3443 [Short] Pipe Model
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* 1 - enabled / RFC 3443 Uniform Model (default)
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default_ttl - INTEGER
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Default TTL value to use for MPLS packets where it cannot be
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propagated from an IP header, either because one isn't present
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or ip_ttl_propagate has been disabled.
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Possible values: 1 - 255
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Default: 255
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conf/<interface>/input - BOOL
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Control whether packets can be input on this interface.
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If disabled, packets will be discarded without further
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processing.
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* 0 - disabled (default)
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* not 0 - enabled
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