1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun 3*4882a593Smuzhiyun==================== 4*4882a593SmuzhiyunMPLS Sysfs variables 5*4882a593Smuzhiyun==================== 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun/proc/sys/net/mpls/* Variables: 8*4882a593Smuzhiyun=============================== 9*4882a593Smuzhiyun 10*4882a593Smuzhiyunplatform_labels - INTEGER 11*4882a593Smuzhiyun Number of entries in the platform label table. It is not 12*4882a593Smuzhiyun possible to configure forwarding for label values equal to or 13*4882a593Smuzhiyun greater than the number of platform labels. 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun A dense utilization of the entries in the platform label table 16*4882a593Smuzhiyun is possible and expected as the platform labels are locally 17*4882a593Smuzhiyun allocated. 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun If the number of platform label table entries is set to 0 no 20*4882a593Smuzhiyun label will be recognized by the kernel and mpls forwarding 21*4882a593Smuzhiyun will be disabled. 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun Reducing this value will remove all label routing entries that 24*4882a593Smuzhiyun no longer fit in the table. 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun Possible values: 0 - 1048575 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun Default: 0 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunip_ttl_propagate - BOOL 31*4882a593Smuzhiyun Control whether TTL is propagated from the IPv4/IPv6 header to 32*4882a593Smuzhiyun the MPLS header on imposing labels and propagated from the 33*4882a593Smuzhiyun MPLS header to the IPv4/IPv6 header on popping the last label. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun If disabled, the MPLS transport network will appear as a 36*4882a593Smuzhiyun single hop to transit traffic. 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun * 0 - disabled / RFC 3443 [Short] Pipe Model 39*4882a593Smuzhiyun * 1 - enabled / RFC 3443 Uniform Model (default) 40*4882a593Smuzhiyun 41*4882a593Smuzhiyundefault_ttl - INTEGER 42*4882a593Smuzhiyun Default TTL value to use for MPLS packets where it cannot be 43*4882a593Smuzhiyun propagated from an IP header, either because one isn't present 44*4882a593Smuzhiyun or ip_ttl_propagate has been disabled. 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun Possible values: 1 - 255 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun Default: 255 49*4882a593Smuzhiyun 50*4882a593Smuzhiyunconf/<interface>/input - BOOL 51*4882a593Smuzhiyun Control whether packets can be input on this interface. 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun If disabled, packets will be discarded without further 54*4882a593Smuzhiyun processing. 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun * 0 - disabled (default) 57*4882a593Smuzhiyun * not 0 - enabled 58