diff options
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index a553d4e4a0fb..5dc1a040a2f1 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -133,14 +133,11 @@ min_adv_mss - INTEGER IP Fragmentation: -ipfrag_high_thresh - INTEGER - Maximum memory used to reassemble IP fragments. When - ipfrag_high_thresh bytes of memory is allocated for this purpose, - the fragment handler will toss packets until ipfrag_low_thresh - is reached. This also serves as a maximum limit to namespaces - different from the initial one. - -ipfrag_low_thresh - INTEGER +ipfrag_high_thresh - LONG INTEGER + Maximum memory used to reassemble IP fragments. + +ipfrag_low_thresh - LONG INTEGER + (Obsolete since linux-4.17) Maximum memory used to reassemble IP fragments before the kernel begins to remove incomplete fragment queues to free up resources. The kernel still accepts new fragments for defragmentation. @@ -755,13 +752,13 @@ udp_rmem_min - INTEGER Minimal size of receive buffer used by UDP sockets in moderation. Each UDP socket is able to use the size for receiving data, even if total pages of UDP sockets exceed udp_mem pressure. The unit is byte. - Default: 1 page + Default: 4K udp_wmem_min - INTEGER Minimal size of send buffer used by UDP sockets in moderation. Each UDP socket is able to use the size for sending data, even if total pages of UDP sockets exceed udp_mem pressure. The unit is byte. - Default: 1 page + Default: 4K CIPSOv4 Variables: @@ -1363,6 +1360,13 @@ flowlabel_reflect - BOOLEAN FALSE: disabled Default: FALSE +fib_multipath_hash_policy - INTEGER + Controls which hash policy to use for multipath routes. + Default: 0 (Layer 3) + Possible values: + 0 - Layer 3 (source and destination addresses plus flow label) + 1 - Layer 4 (standard 5-tuple) + anycast_src_echo_reply - BOOLEAN Controls the use of anycast addresses as source addresses for ICMPv6 echo reply @@ -1696,7 +1700,9 @@ disable_ipv6 - BOOLEAN interface and start Duplicate Address Detection, if necessary. When this value is changed from 0 to 1 (IPv6 is being disabled), - it will dynamically delete all address on the given interface. + it will dynamically delete all addresses and routes on the given + interface. From now on it will not possible to add addresses/routes + to the selected interface. accept_dad - INTEGER Whether to accept DAD (Duplicate Address Detection). @@ -2094,7 +2100,7 @@ sctp_rmem - vector of 3 INTEGERs: min, default, max It is guaranteed to each SCTP socket (but not association) even under moderate memory pressure. - Default: 1 page + Default: 4K sctp_wmem - vector of 3 INTEGERs: min, default, max Currently this tunable has no effect. |