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Change-Id: I428bd25a513eb9fe65bea56572fea8cab7c51681
Signed-off-by: Filip Varga <fivarga@cisco.com>
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Fixed NAT issues with dropping reverse packets in case NAT worked
in 'endpoint-dependent' mode and outside interface has FIB different
from 0 when the output-feature is set.
In this case, the out2in_ed dynamic hash key was not being created
correctly.
Change-Id: I6362967f4b09a375a4606eedaa8e264795b25453
Signed-off-by: Dmitry Vakhrushev <dmitry@netgate.com>
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Change-Id: I0ee80c7bec59d3e9c69e92e6cf0af1a6864a4ec4
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I41a82e21571d5c64d01af72cd88c3983afac26ed
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I5419e06592b0402e911e132796368800321f355a
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I6e0b7cf37c1a9ac66f8ac011db29504e57844ee9
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Iab506f127136c94a641df31ded108016de26260b
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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pool (VPP-1485)
Change-Id: Iaa404361eac2a6612dcdaba3f73bae41a35c5446
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Ied34720ca5a6e6e717eea4e86003e854031b6eab
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: Ic4affc54d15d08b9b730f6ec6146ee053b28b4b6
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I39a3146a4e4ba8eadf50af7113b9ae6b1c1d688f
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I630f3da1ea4e6e50a50f1352c097becef1efe3c0
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Ia3ce24cc94f9b2fb331ad62a4181ddcd41bc78ca
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I36ece2ef2eaef9fa559d69ec7f7f07e7c16a7a9d
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
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Change-Id: Ied0fc50f1afb0f7fc563784544699726a6d03380
Signed-off-by: dongjuan <dong.juan1@zte.com.cn>
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NAT plugin changes the MSS value in TCP SYN packets to avoid fragmentation.
If the negotiated MSS value is greater than the configured value it is changed
to the configured value. If the negotiated MSS value is smaller than the
configured value it remains unchanged.
Change-Id: Ic3c4f94a2f1b76e2bf79f50f3ad36a4097f3f188
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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which can create dead loop in
nat_alloc_addr_and_port_default function
Change-Id: I468c25ce0f0a0b3f881de564623dea208b2ca700
Signed-off-by: dongjuan <dong.juan1@zte.com.cn>
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Change-Id: I6882b6daa05db866fe6e78a62b380ec331507f74
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Enable client-IP based session affinity per LB NAT rule with specific timeout.
Change-Id: I9aade152e330218d21dfda99cc5e984d769ab806
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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NAT44 (vanilla/simple and endpoint-dependent mode) now lazily delete expired
sessions. When inserting to session lookup hash and bucket is full, expired
session is overwritten.
Change-Id: Ib1b34959f60f0ca4f5b13525b1d41dd2f992288d
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I85383e428cb54c4c09ab387811dd6390f7c61d97
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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outside address and port
Change-Id: Ie5452350a8ebe2c1b62085fcab50dbc0138d3ae2
Signed-off-by: shubing guo <guo.shubing@zte.com.cn>
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Should not enable nat44-hairpinning node in deterministic mode
Change-Id: I5790323a6842ee71a62c6c91c49166a2839eac12
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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-- The session should not be deleted when either ip address or port doesn't same with static mapping.
Change-Id: I09ab7379947654d2780a8c40c5340ce430541b12
Signed-off-by: shubing guo <guo.shubing@zte.com.cn>
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Change-Id: I756e3ad3de9ffe1494221ef95c1943c8591f8f50
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Add support for local backends in multiple VRFs for load-balancing NAT rules.
Change-Id: I64e6818bd67a7e69985003498cf1f16f7200c334
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Iad7e0337a577ef8a0dfb7bde1968cc115d176043
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I56eb15f8fd2d3049845287dc3df7870582764f8b
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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To enable NAT plugin endpoint dependent mode add following to statrup config:
nat { endpoint-dependent }
Enable endpoint dependent filtering and mapping for all sessions.
Move some existing functionality such as service load balancing, twice nat,
out2in-only static mappings and unknown protocol dynamic translations, which
use endpoint dependent lookup hash tables before. Basically split to vanilla
NAT44 and extra features NAT44.
Change-Id: I3925eb5ddcc8f1ec4cf6af4e2a618a7ec7aa9735
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Idd65c6d0489bf83984a2c34d22d3f94000fc7018
Signed-off-by: Alexander Chernavin <achernavin@netgate.com>
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Change-Id: I088163f10ae5515d7a9115781cc13ef563fafed5
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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the ip4-dhcp-client-detect feature MUST run prior to nat44-out2in, or
inbound dhcp broadcast packets will be dropped. Certain dhcp servers
answer lease renewal dhcp-request packets with broadcast dhcp-acks, leading
to unrecoverable lease loss.
In detail, this constraint:
VNET_FEATURE_INIT (ip4_snat_out2in, static) = {
.arc_name = "ip4-unicast",
.node_name = "nat44-out2in",
.runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa"),
};
doesn't get the job done:
ip4-unicast:
[17] nat44-out2in
[23] ip4-dhcp-client-detect
[26] ip4-not-enabled
Add a proper constraint:
VNET_FEATURE_INIT (ip4_snat_out2in, static) = {
.arc_name = "ip4-unicast",
.node_name = "nat44-out2in",
.runs_after = VNET_FEATURES ("acl-plugin-in-ip4-fa",
"ip4-dhcp-client-detect"),
};
and the interface feature order is OK, at least in this regard:
ip4-unicast:
[17] ip4-dhcp-client-detect
[18] nat44-out2in
[26] ip4-not-enabled
We need to carefully audit (especially) the ip4-unicast feature arc,
which has [gasp] 37 features on it!
Change-Id: I5e749ead7ab2a25d80839a331de6261e112977ad
Signed-off-by: Dave Barach <dave@barachs.net>
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Change-Id: I484d79000c1bbd87ff83847cf567bf3414a719d3
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I6306b81e0e1c3e1c591f929a76bb265c1c1d0859
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Iba1cc1179ee80478e29888790a6476571d1904dc
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Icd42abf4e35db550df496592cffce655f1987d68
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: I228728bacfca6056dc409a96de1bffb9cadcd3e6
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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When enabled then Twice-NAT is applied only when
source IP equals destination IP after DNAT
Change-Id: I58a9d1d222b2a10c83eafffb2107f32c1b4aa3a8
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
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Change-Id: I7e6b0e7e91cc032b1685f35de5d84363a85158a5
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Id5a2a90d81cc9cb87cb6fb89ac2f4ca3cbcb51e2
Signed-off-by: Juraj Sloboda <jsloboda@cisco.com>
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Change-Id: Ieeafb41d10959700bfd434cd455800af31944150
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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lb session with the same user maybe deleted.
Change-Id: Ie58579cf4f8babb594f3c44aa185720134c58c3d
Signed-off-by: ahdj007 <dong.juan1@zte.com.cn>
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Change-Id: I71660eb327124179ff200763c4743cc81dc6e1c6
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Ia99490180683e8649784f7d9d18c509c3ca78438
Signed-off-by: Neale Ranns <nranns@cisco.com>
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Change-Id: I32b30210c2f1aec10a1b614d04f427662326a3d2
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Change-Id: Ifb4d23059b7989c32a52eaf0c25c275b35e83010
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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Static mapping is not deleted from resolution vector after address is set on
interface.
Change-Id: Ib7c45ca2e307123d101248c5a1b17d130ac32cd0
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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worker (VPP-1213)
Change-Id: I8e0c7ed2ff462b9ab59c233f56be262ec03c29ff
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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pair (VPP-1199)
Change-Id: Iad8c626e83bbc58d5c85b6736f5a3dd5bc9ceafb
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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(VPP-1192)
following is not possible:
set interface nat44 out GigabitEthernet0/3/0 output-feature
set interface nat44 out GigabitEthernet0/3/0
Change-Id: I1592cc18390881fda66f98316700886b8f5295f0
Signed-off-by: Matus Fabian <matfabia@cisco.com>
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