| Tomáš Pecka | dac27d4 | 2021-02-22 13:20:05 +0100 | [diff] [blame] | 1 | module ietf-ip { |
| 2 | yang-version 1.1; |
| 3 | namespace "urn:ietf:params:xml:ns:yang:ietf-ip"; |
| 4 | prefix ip; |
| 5 | |
| 6 | import ietf-interfaces { |
| 7 | prefix if; |
| 8 | } |
| 9 | import ietf-inet-types { |
| 10 | prefix inet; |
| 11 | } |
| 12 | import ietf-yang-types { |
| 13 | prefix yang; |
| 14 | } |
| 15 | |
| 16 | organization |
| 17 | "IETF NETMOD (Network Modeling) Working Group"; |
| 18 | |
| 19 | contact |
| 20 | "WG Web: <https://datatracker.ietf.org/wg/netmod/> |
| 21 | WG List: <mailto:netmod@ietf.org> |
| 22 | |
| 23 | Editor: Martin Bjorklund |
| 24 | <mailto:mbj@tail-f.com>"; |
| 25 | description |
| 26 | "This module contains a collection of YANG definitions for |
| 27 | managing IP implementations. |
| 28 | |
| 29 | Copyright (c) 2018 IETF Trust and the persons identified as |
| 30 | authors of the code. All rights reserved. |
| 31 | |
| 32 | Redistribution and use in source and binary forms, with or |
| 33 | without modification, is permitted pursuant to, and subject |
| 34 | to the license terms contained in, the Simplified BSD License |
| 35 | set forth in Section 4.c of the IETF Trust's Legal Provisions |
| 36 | Relating to IETF Documents |
| 37 | (https://trustee.ietf.org/license-info). |
| 38 | |
| 39 | This version of this YANG module is part of RFC 8344; see |
| 40 | the RFC itself for full legal notices."; |
| 41 | |
| 42 | revision 2018-02-22 { |
| 43 | description |
| 44 | "Updated to support NMDA."; |
| 45 | reference |
| 46 | "RFC 8344: A YANG Data Model for IP Management"; |
| 47 | } |
| 48 | |
| 49 | revision 2014-06-16 { |
| 50 | description |
| 51 | "Initial revision."; |
| 52 | reference |
| 53 | "RFC 7277: A YANG Data Model for IP Management"; |
| 54 | } |
| 55 | |
| 56 | /* |
| 57 | * Features |
| 58 | */ |
| 59 | |
| 60 | feature ipv4-non-contiguous-netmasks { |
| 61 | description |
| 62 | "Indicates support for configuring non-contiguous |
| 63 | subnet masks."; |
| 64 | } |
| 65 | |
| 66 | feature ipv6-privacy-autoconf { |
| 67 | description |
| 68 | "Indicates support for privacy extensions for stateless address |
| 69 | autoconfiguration in IPv6."; |
| 70 | reference |
| 71 | "RFC 4941: Privacy Extensions for Stateless Address |
| 72 | Autoconfiguration in IPv6"; |
| 73 | } |
| 74 | |
| 75 | /* |
| 76 | * Typedefs |
| 77 | */ |
| 78 | |
| 79 | typedef ip-address-origin { |
| 80 | type enumeration { |
| 81 | enum other { |
| 82 | description |
| 83 | "None of the following."; |
| 84 | } |
| 85 | |
| 86 | enum static { |
| 87 | description |
| 88 | "Indicates that the address has been statically |
| 89 | configured -- for example, using the Network Configuration |
| 90 | Protocol (NETCONF) or a command line interface."; |
| 91 | } |
| 92 | enum dhcp { |
| 93 | description |
| 94 | "Indicates an address that has been assigned to this |
| 95 | system by a DHCP server."; |
| 96 | } |
| 97 | enum link-layer { |
| 98 | description |
| 99 | "Indicates an address created by IPv6 stateless |
| 100 | autoconfiguration that embeds a link-layer address in its |
| 101 | interface identifier."; |
| 102 | } |
| 103 | enum random { |
| 104 | description |
| 105 | "Indicates an address chosen by the system at |
| 106 | random, e.g., an IPv4 address within 169.254/16, a |
| 107 | temporary address as described in RFC 4941, or a |
| 108 | semantically opaque address as described in RFC 7217."; |
| 109 | reference |
| 110 | "RFC 4941: Privacy Extensions for Stateless Address |
| 111 | Autoconfiguration in IPv6 |
| 112 | RFC 7217: A Method for Generating Semantically Opaque |
| 113 | Interface Identifiers with IPv6 Stateless |
| 114 | Address Autoconfiguration (SLAAC)"; |
| 115 | } |
| 116 | } |
| 117 | description |
| 118 | "The origin of an address."; |
| 119 | } |
| 120 | |
| 121 | typedef neighbor-origin { |
| 122 | type enumeration { |
| 123 | enum other { |
| 124 | description |
| 125 | "None of the following."; |
| 126 | } |
| 127 | enum static { |
| 128 | description |
| 129 | "Indicates that the mapping has been statically |
| 130 | configured -- for example, using NETCONF or a command line |
| 131 | interface."; |
| 132 | } |
| 133 | |
| 134 | enum dynamic { |
| 135 | description |
| 136 | "Indicates that the mapping has been dynamically resolved |
| 137 | using, for example, IPv4 ARP or the IPv6 Neighbor |
| 138 | Discovery protocol."; |
| 139 | } |
| 140 | } |
| 141 | description |
| 142 | "The origin of a neighbor entry."; |
| 143 | } |
| 144 | |
| 145 | /* |
| 146 | * Data nodes |
| 147 | */ |
| 148 | |
| 149 | augment "/if:interfaces/if:interface" { |
| 150 | description |
| 151 | "IP parameters on interfaces. |
| 152 | |
| 153 | If an interface is not capable of running IP, the server |
| 154 | must not allow the client to configure these parameters."; |
| 155 | |
| 156 | container ipv4 { |
| 157 | presence |
| 158 | "Enables IPv4 unless the 'enabled' leaf |
| 159 | (which defaults to 'true') is set to 'false'"; |
| 160 | description |
| 161 | "Parameters for the IPv4 address family."; |
| 162 | |
| 163 | leaf enabled { |
| 164 | type boolean; |
| 165 | default true; |
| 166 | description |
| 167 | "Controls whether IPv4 is enabled or disabled on this |
| 168 | interface. When IPv4 is enabled, this interface is |
| 169 | connected to an IPv4 stack, and the interface can send |
| 170 | and receive IPv4 packets."; |
| 171 | } |
| 172 | leaf forwarding { |
| 173 | type boolean; |
| 174 | default false; |
| 175 | description |
| 176 | "Controls IPv4 packet forwarding of datagrams received by, |
| 177 | but not addressed to, this interface. IPv4 routers |
| 178 | forward datagrams. IPv4 hosts do not (except those |
| 179 | source-routed via the host)."; |
| 180 | } |
| 181 | |
| 182 | leaf mtu { |
| 183 | type uint16 { |
| 184 | range "68..max"; |
| 185 | } |
| 186 | units "octets"; |
| 187 | description |
| 188 | "The size, in octets, of the largest IPv4 packet that the |
| 189 | interface will send and receive. |
| 190 | |
| 191 | The server may restrict the allowed values for this leaf, |
| 192 | depending on the interface's type. |
| 193 | |
| 194 | If this leaf is not configured, the operationally used MTU |
| 195 | depends on the interface's type."; |
| 196 | reference |
| 197 | "RFC 791: Internet Protocol"; |
| 198 | } |
| 199 | list address { |
| 200 | key "ip"; |
| 201 | description |
| 202 | "The list of IPv4 addresses on the interface."; |
| 203 | |
| 204 | leaf ip { |
| 205 | type inet:ipv4-address-no-zone; |
| 206 | description |
| 207 | "The IPv4 address on the interface."; |
| 208 | } |
| 209 | choice subnet { |
| 210 | mandatory true; |
| 211 | description |
| 212 | "The subnet can be specified as a prefix length or, |
| 213 | if the server supports non-contiguous netmasks, as |
| 214 | a netmask."; |
| 215 | leaf prefix-length { |
| 216 | type uint8 { |
| 217 | range "0..32"; |
| 218 | } |
| 219 | description |
| 220 | "The length of the subnet prefix."; |
| 221 | } |
| 222 | leaf netmask { |
| 223 | if-feature ipv4-non-contiguous-netmasks; |
| 224 | type yang:dotted-quad; |
| 225 | description |
| 226 | "The subnet specified as a netmask."; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | leaf origin { |
| 231 | type ip-address-origin; |
| 232 | config false; |
| 233 | description |
| 234 | "The origin of this address."; |
| 235 | } |
| 236 | } |
| 237 | list neighbor { |
| 238 | key "ip"; |
| 239 | description |
| 240 | "A list of mappings from IPv4 addresses to |
| 241 | link-layer addresses. |
| 242 | |
| 243 | Entries in this list in the intended configuration are |
| 244 | used as static entries in the ARP Cache. |
| 245 | |
| 246 | In the operational state, this list represents the ARP |
| 247 | Cache."; |
| 248 | reference |
| 249 | "RFC 826: An Ethernet Address Resolution Protocol"; |
| 250 | |
| 251 | leaf ip { |
| 252 | type inet:ipv4-address-no-zone; |
| 253 | description |
| 254 | "The IPv4 address of the neighbor node."; |
| 255 | } |
| 256 | leaf link-layer-address { |
| 257 | type yang:phys-address; |
| 258 | mandatory true; |
| 259 | description |
| 260 | "The link-layer address of the neighbor node."; |
| 261 | } |
| 262 | leaf origin { |
| 263 | type neighbor-origin; |
| 264 | config false; |
| 265 | description |
| 266 | "The origin of this neighbor entry."; |
| 267 | } |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | container ipv6 { |
| 272 | presence |
| 273 | "Enables IPv6 unless the 'enabled' leaf |
| 274 | (which defaults to 'true') is set to 'false'"; |
| 275 | description |
| 276 | "Parameters for the IPv6 address family."; |
| 277 | |
| 278 | leaf enabled { |
| 279 | type boolean; |
| 280 | default true; |
| 281 | description |
| 282 | "Controls whether IPv6 is enabled or disabled on this |
| 283 | interface. When IPv6 is enabled, this interface is |
| 284 | connected to an IPv6 stack, and the interface can send |
| 285 | and receive IPv6 packets."; |
| 286 | } |
| 287 | leaf forwarding { |
| 288 | type boolean; |
| 289 | default false; |
| 290 | description |
| 291 | "Controls IPv6 packet forwarding of datagrams received by, |
| 292 | but not addressed to, this interface. IPv6 routers |
| 293 | forward datagrams. IPv6 hosts do not (except those |
| 294 | source-routed via the host)."; |
| 295 | reference |
| 296 | "RFC 4861: Neighbor Discovery for IP version 6 (IPv6) |
| 297 | Section 6.2.1, IsRouter"; |
| 298 | } |
| 299 | leaf mtu { |
| 300 | type uint32 { |
| 301 | range "1280..max"; |
| 302 | } |
| 303 | units "octets"; |
| 304 | description |
| 305 | "The size, in octets, of the largest IPv6 packet that the |
| 306 | interface will send and receive. |
| 307 | |
| 308 | The server may restrict the allowed values for this leaf, |
| 309 | depending on the interface's type. |
| 310 | |
| 311 | If this leaf is not configured, the operationally used MTU |
| 312 | depends on the interface's type."; |
| 313 | reference |
| 314 | "RFC 8200: Internet Protocol, Version 6 (IPv6) |
| 315 | Specification |
| 316 | Section 5"; |
| 317 | } |
| 318 | |
| 319 | list address { |
| 320 | key "ip"; |
| 321 | description |
| 322 | "The list of IPv6 addresses on the interface."; |
| 323 | |
| 324 | leaf ip { |
| 325 | type inet:ipv6-address-no-zone; |
| 326 | description |
| 327 | "The IPv6 address on the interface."; |
| 328 | } |
| 329 | leaf prefix-length { |
| 330 | type uint8 { |
| 331 | range "0..128"; |
| 332 | } |
| 333 | mandatory true; |
| 334 | description |
| 335 | "The length of the subnet prefix."; |
| 336 | } |
| 337 | leaf origin { |
| 338 | type ip-address-origin; |
| 339 | config false; |
| 340 | description |
| 341 | "The origin of this address."; |
| 342 | } |
| 343 | leaf status { |
| 344 | type enumeration { |
| 345 | enum preferred { |
| 346 | description |
| 347 | "This is a valid address that can appear as the |
| 348 | destination or source address of a packet."; |
| 349 | } |
| 350 | enum deprecated { |
| 351 | description |
| 352 | "This is a valid but deprecated address that should |
| 353 | no longer be used as a source address in new |
| 354 | communications, but packets addressed to such an |
| 355 | address are processed as expected."; |
| 356 | } |
| 357 | enum invalid { |
| 358 | description |
| 359 | "This isn't a valid address, and it shouldn't appear |
| 360 | as the destination or source address of a packet."; |
| 361 | } |
| 362 | |
| 363 | enum inaccessible { |
| 364 | description |
| 365 | "The address is not accessible because the interface |
| 366 | to which this address is assigned is not |
| 367 | operational."; |
| 368 | } |
| 369 | enum unknown { |
| 370 | description |
| 371 | "The status cannot be determined for some reason."; |
| 372 | } |
| 373 | enum tentative { |
| 374 | description |
| 375 | "The uniqueness of the address on the link is being |
| 376 | verified. Addresses in this state should not be |
| 377 | used for general communication and should only be |
| 378 | used to determine the uniqueness of the address."; |
| 379 | } |
| 380 | enum duplicate { |
| 381 | description |
| 382 | "The address has been determined to be non-unique on |
| 383 | the link and so must not be used."; |
| 384 | } |
| 385 | enum optimistic { |
| 386 | description |
| 387 | "The address is available for use, subject to |
| 388 | restrictions, while its uniqueness on a link is |
| 389 | being verified."; |
| 390 | } |
| 391 | } |
| 392 | config false; |
| 393 | description |
| 394 | "The status of an address. Most of the states correspond |
| 395 | to states from the IPv6 Stateless Address |
| 396 | Autoconfiguration protocol."; |
| 397 | reference |
| 398 | "RFC 4293: Management Information Base for the |
| 399 | Internet Protocol (IP) |
| 400 | - IpAddressStatusTC |
| 401 | RFC 4862: IPv6 Stateless Address Autoconfiguration"; |
| 402 | } |
| 403 | } |
| 404 | |
| 405 | list neighbor { |
| 406 | key "ip"; |
| 407 | description |
| 408 | "A list of mappings from IPv6 addresses to |
| 409 | link-layer addresses. |
| 410 | |
| 411 | Entries in this list in the intended configuration are |
| 412 | used as static entries in the Neighbor Cache. |
| 413 | |
| 414 | In the operational state, this list represents the |
| 415 | Neighbor Cache."; |
| 416 | reference |
| 417 | "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)"; |
| 418 | |
| 419 | leaf ip { |
| 420 | type inet:ipv6-address-no-zone; |
| 421 | description |
| 422 | "The IPv6 address of the neighbor node."; |
| 423 | } |
| 424 | leaf link-layer-address { |
| 425 | type yang:phys-address; |
| 426 | mandatory true; |
| 427 | description |
| 428 | "The link-layer address of the neighbor node. |
| 429 | |
| 430 | In the operational state, if the neighbor's 'state' leaf |
| 431 | is 'incomplete', this leaf is not instantiated."; |
| 432 | } |
| 433 | leaf origin { |
| 434 | type neighbor-origin; |
| 435 | config false; |
| 436 | description |
| 437 | "The origin of this neighbor entry."; |
| 438 | } |
| 439 | leaf is-router { |
| 440 | type empty; |
| 441 | config false; |
| 442 | description |
| 443 | "Indicates that the neighbor node acts as a router."; |
| 444 | } |
| 445 | |
| 446 | leaf state { |
| 447 | type enumeration { |
| 448 | enum incomplete { |
| 449 | description |
| 450 | "Address resolution is in progress, and the |
| 451 | link-layer address of the neighbor has not yet been |
| 452 | determined."; |
| 453 | } |
| 454 | enum reachable { |
| 455 | description |
| 456 | "Roughly speaking, the neighbor is known to have been |
| 457 | reachable recently (within tens of seconds ago)."; |
| 458 | } |
| 459 | enum stale { |
| 460 | description |
| 461 | "The neighbor is no longer known to be reachable, but |
| 462 | until traffic is sent to the neighbor no attempt |
| 463 | should be made to verify its reachability."; |
| 464 | } |
| 465 | enum delay { |
| 466 | description |
| 467 | "The neighbor is no longer known to be reachable, and |
| 468 | traffic has recently been sent to the neighbor. |
| 469 | Rather than probe the neighbor immediately, however, |
| 470 | delay sending probes for a short while in order to |
| 471 | give upper-layer protocols a chance to provide |
| 472 | reachability confirmation."; |
| 473 | } |
| 474 | enum probe { |
| 475 | description |
| 476 | "The neighbor is no longer known to be reachable, and |
| 477 | unicast Neighbor Solicitation probes are being sent |
| 478 | to verify reachability."; |
| 479 | } |
| 480 | } |
| 481 | config false; |
| 482 | description |
| 483 | "The Neighbor Unreachability Detection state of this |
| 484 | entry."; |
| 485 | reference |
| 486 | "RFC 4861: Neighbor Discovery for IP version 6 (IPv6) |
| 487 | Section 7.3.2"; |
| 488 | } |
| 489 | } |
| 490 | |
| 491 | leaf dup-addr-detect-transmits { |
| 492 | type uint32; |
| 493 | default 1; |
| 494 | description |
| 495 | "The number of consecutive Neighbor Solicitation messages |
| 496 | sent while performing Duplicate Address Detection on a |
| 497 | tentative address. A value of zero indicates that |
| 498 | Duplicate Address Detection is not performed on |
| 499 | tentative addresses. A value of one indicates a single |
| 500 | transmission with no follow-up retransmissions."; |
| 501 | reference |
| 502 | "RFC 4862: IPv6 Stateless Address Autoconfiguration"; |
| 503 | } |
| 504 | container autoconf { |
| 505 | description |
| 506 | "Parameters to control the autoconfiguration of IPv6 |
| 507 | addresses, as described in RFC 4862."; |
| 508 | reference |
| 509 | "RFC 4862: IPv6 Stateless Address Autoconfiguration"; |
| 510 | |
| 511 | leaf create-global-addresses { |
| 512 | type boolean; |
| 513 | default true; |
| 514 | description |
| 515 | "If enabled, the host creates global addresses as |
| 516 | described in RFC 4862."; |
| 517 | reference |
| 518 | "RFC 4862: IPv6 Stateless Address Autoconfiguration |
| 519 | Section 5.5"; |
| 520 | } |
| 521 | leaf create-temporary-addresses { |
| 522 | if-feature ipv6-privacy-autoconf; |
| 523 | type boolean; |
| 524 | default false; |
| 525 | description |
| 526 | "If enabled, the host creates temporary addresses as |
| 527 | described in RFC 4941."; |
| 528 | reference |
| 529 | "RFC 4941: Privacy Extensions for Stateless Address |
| 530 | Autoconfiguration in IPv6"; |
| 531 | } |
| 532 | |
| 533 | leaf temporary-valid-lifetime { |
| 534 | if-feature ipv6-privacy-autoconf; |
| 535 | type uint32; |
| 536 | units "seconds"; |
| 537 | default 604800; |
| 538 | description |
| 539 | "The time period during which the temporary address |
| 540 | is valid."; |
| 541 | reference |
| 542 | "RFC 4941: Privacy Extensions for Stateless Address |
| 543 | Autoconfiguration in IPv6 |
| 544 | - TEMP_VALID_LIFETIME"; |
| 545 | } |
| 546 | leaf temporary-preferred-lifetime { |
| 547 | if-feature ipv6-privacy-autoconf; |
| 548 | type uint32; |
| 549 | units "seconds"; |
| 550 | default 86400; |
| 551 | description |
| 552 | "The time period during which the temporary address is |
| 553 | preferred."; |
| 554 | reference |
| 555 | "RFC 4941: Privacy Extensions for Stateless Address |
| 556 | Autoconfiguration in IPv6 |
| 557 | - TEMP_PREFERRED_LIFETIME"; |
| 558 | } |
| 559 | } |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | /* |
| 564 | * Legacy operational state data nodes |
| 565 | */ |
| 566 | |
| 567 | augment "/if:interfaces-state/if:interface" { |
| 568 | status deprecated; |
| 569 | description |
| 570 | "Data nodes for the operational state of IP on interfaces."; |
| 571 | |
| 572 | container ipv4 { |
| 573 | presence |
| 574 | "Present if IPv4 is enabled on this interface"; |
| 575 | config false; |
| 576 | status deprecated; |
| 577 | description |
| 578 | "Interface-specific parameters for the IPv4 address family."; |
| 579 | |
| 580 | leaf forwarding { |
| 581 | type boolean; |
| 582 | status deprecated; |
| 583 | description |
| 584 | "Indicates whether IPv4 packet forwarding is enabled or |
| 585 | disabled on this interface."; |
| 586 | } |
| 587 | leaf mtu { |
| 588 | type uint16 { |
| 589 | range "68..max"; |
| 590 | } |
| 591 | units "octets"; |
| 592 | status deprecated; |
| 593 | description |
| 594 | "The size, in octets, of the largest IPv4 packet that the |
| 595 | interface will send and receive."; |
| 596 | reference |
| 597 | "RFC 791: Internet Protocol"; |
| 598 | } |
| 599 | list address { |
| 600 | key "ip"; |
| 601 | status deprecated; |
| 602 | description |
| 603 | "The list of IPv4 addresses on the interface."; |
| 604 | |
| 605 | leaf ip { |
| 606 | type inet:ipv4-address-no-zone; |
| 607 | status deprecated; |
| 608 | description |
| 609 | "The IPv4 address on the interface."; |
| 610 | } |
| 611 | choice subnet { |
| 612 | status deprecated; |
| 613 | description |
| 614 | "The subnet can be specified as a prefix length or, |
| 615 | if the server supports non-contiguous netmasks, as |
| 616 | a netmask."; |
| 617 | leaf prefix-length { |
| 618 | type uint8 { |
| 619 | range "0..32"; |
| 620 | } |
| 621 | status deprecated; |
| 622 | description |
| 623 | "The length of the subnet prefix."; |
| 624 | } |
| 625 | leaf netmask { |
| 626 | if-feature ipv4-non-contiguous-netmasks; |
| 627 | type yang:dotted-quad; |
| 628 | status deprecated; |
| 629 | description |
| 630 | "The subnet specified as a netmask."; |
| 631 | } |
| 632 | } |
| 633 | leaf origin { |
| 634 | type ip-address-origin; |
| 635 | status deprecated; |
| 636 | description |
| 637 | "The origin of this address."; |
| 638 | } |
| 639 | } |
| 640 | list neighbor { |
| 641 | key "ip"; |
| 642 | status deprecated; |
| 643 | description |
| 644 | "A list of mappings from IPv4 addresses to |
| 645 | link-layer addresses. |
| 646 | |
| 647 | This list represents the ARP Cache."; |
| 648 | reference |
| 649 | "RFC 826: An Ethernet Address Resolution Protocol"; |
| 650 | |
| 651 | leaf ip { |
| 652 | type inet:ipv4-address-no-zone; |
| 653 | status deprecated; |
| 654 | description |
| 655 | "The IPv4 address of the neighbor node."; |
| 656 | } |
| 657 | |
| 658 | leaf link-layer-address { |
| 659 | type yang:phys-address; |
| 660 | status deprecated; |
| 661 | description |
| 662 | "The link-layer address of the neighbor node."; |
| 663 | } |
| 664 | leaf origin { |
| 665 | type neighbor-origin; |
| 666 | status deprecated; |
| 667 | description |
| 668 | "The origin of this neighbor entry."; |
| 669 | } |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | container ipv6 { |
| 674 | presence |
| 675 | "Present if IPv6 is enabled on this interface"; |
| 676 | config false; |
| 677 | status deprecated; |
| 678 | description |
| 679 | "Parameters for the IPv6 address family."; |
| 680 | |
| 681 | leaf forwarding { |
| 682 | type boolean; |
| 683 | default false; |
| 684 | status deprecated; |
| 685 | description |
| 686 | "Indicates whether IPv6 packet forwarding is enabled or |
| 687 | disabled on this interface."; |
| 688 | reference |
| 689 | "RFC 4861: Neighbor Discovery for IP version 6 (IPv6) |
| 690 | Section 6.2.1, IsRouter"; |
| 691 | } |
| 692 | leaf mtu { |
| 693 | type uint32 { |
| 694 | range "1280..max"; |
| 695 | } |
| 696 | units "octets"; |
| 697 | status deprecated; |
| 698 | description |
| 699 | "The size, in octets, of the largest IPv6 packet that the |
| 700 | interface will send and receive."; |
| 701 | reference |
| 702 | "RFC 8200: Internet Protocol, Version 6 (IPv6) |
| 703 | Specification |
| 704 | Section 5"; |
| 705 | } |
| 706 | list address { |
| 707 | key "ip"; |
| 708 | status deprecated; |
| 709 | description |
| 710 | "The list of IPv6 addresses on the interface."; |
| 711 | |
| 712 | leaf ip { |
| 713 | type inet:ipv6-address-no-zone; |
| 714 | status deprecated; |
| 715 | description |
| 716 | "The IPv6 address on the interface."; |
| 717 | } |
| 718 | leaf prefix-length { |
| 719 | type uint8 { |
| 720 | range "0..128"; |
| 721 | } |
| 722 | mandatory true; |
| 723 | status deprecated; |
| 724 | description |
| 725 | "The length of the subnet prefix."; |
| 726 | } |
| 727 | leaf origin { |
| 728 | type ip-address-origin; |
| 729 | status deprecated; |
| 730 | description |
| 731 | "The origin of this address."; |
| 732 | } |
| 733 | leaf status { |
| 734 | type enumeration { |
| 735 | enum preferred { |
| 736 | description |
| 737 | "This is a valid address that can appear as the |
| 738 | destination or source address of a packet."; |
| 739 | } |
| 740 | enum deprecated { |
| 741 | description |
| 742 | "This is a valid but deprecated address that should |
| 743 | no longer be used as a source address in new |
| 744 | communications, but packets addressed to such an |
| 745 | address are processed as expected."; |
| 746 | } |
| 747 | enum invalid { |
| 748 | description |
| 749 | "This isn't a valid address, and it shouldn't appear |
| 750 | as the destination or source address of a packet."; |
| 751 | } |
| 752 | |
| 753 | enum inaccessible { |
| 754 | description |
| 755 | "The address is not accessible because the interface |
| 756 | to which this address is assigned is not |
| 757 | operational."; |
| 758 | } |
| 759 | enum unknown { |
| 760 | description |
| 761 | "The status cannot be determined for some reason."; |
| 762 | } |
| 763 | enum tentative { |
| 764 | description |
| 765 | "The uniqueness of the address on the link is being |
| 766 | verified. Addresses in this state should not be |
| 767 | used for general communication and should only be |
| 768 | used to determine the uniqueness of the address."; |
| 769 | } |
| 770 | enum duplicate { |
| 771 | description |
| 772 | "The address has been determined to be non-unique on |
| 773 | the link and so must not be used."; |
| 774 | } |
| 775 | enum optimistic { |
| 776 | description |
| 777 | "The address is available for use, subject to |
| 778 | restrictions, while its uniqueness on a link is |
| 779 | being verified."; |
| 780 | } |
| 781 | } |
| 782 | status deprecated; |
| 783 | description |
| 784 | "The status of an address. Most of the states correspond |
| 785 | to states from the IPv6 Stateless Address |
| 786 | Autoconfiguration protocol."; |
| 787 | reference |
| 788 | "RFC 4293: Management Information Base for the |
| 789 | Internet Protocol (IP) |
| 790 | - IpAddressStatusTC |
| 791 | RFC 4862: IPv6 Stateless Address Autoconfiguration"; |
| 792 | } |
| 793 | } |
| 794 | |
| 795 | list neighbor { |
| 796 | key "ip"; |
| 797 | status deprecated; |
| 798 | description |
| 799 | "A list of mappings from IPv6 addresses to |
| 800 | link-layer addresses. |
| 801 | |
| 802 | This list represents the Neighbor Cache."; |
| 803 | reference |
| 804 | "RFC 4861: Neighbor Discovery for IP version 6 (IPv6)"; |
| 805 | |
| 806 | leaf ip { |
| 807 | type inet:ipv6-address-no-zone; |
| 808 | status deprecated; |
| 809 | description |
| 810 | "The IPv6 address of the neighbor node."; |
| 811 | } |
| 812 | leaf link-layer-address { |
| 813 | type yang:phys-address; |
| 814 | status deprecated; |
| 815 | description |
| 816 | "The link-layer address of the neighbor node."; |
| 817 | } |
| 818 | leaf origin { |
| 819 | type neighbor-origin; |
| 820 | status deprecated; |
| 821 | description |
| 822 | "The origin of this neighbor entry."; |
| 823 | } |
| 824 | leaf is-router { |
| 825 | type empty; |
| 826 | status deprecated; |
| 827 | description |
| 828 | "Indicates that the neighbor node acts as a router."; |
| 829 | } |
| 830 | leaf state { |
| 831 | type enumeration { |
| 832 | enum incomplete { |
| 833 | description |
| 834 | "Address resolution is in progress, and the |
| 835 | link-layer address of the neighbor has not yet been |
| 836 | determined."; |
| 837 | } |
| 838 | enum reachable { |
| 839 | description |
| 840 | "Roughly speaking, the neighbor is known to have been |
| 841 | reachable recently (within tens of seconds ago)."; |
| 842 | } |
| 843 | enum stale { |
| 844 | description |
| 845 | "The neighbor is no longer known to be reachable, but |
| 846 | until traffic is sent to the neighbor no attempt |
| 847 | should be made to verify its reachability."; |
| 848 | } |
| 849 | enum delay { |
| 850 | description |
| 851 | "The neighbor is no longer known to be reachable, and |
| 852 | traffic has recently been sent to the neighbor. |
| 853 | Rather than probe the neighbor immediately, however, |
| 854 | delay sending probes for a short while in order to |
| 855 | give upper-layer protocols a chance to provide |
| 856 | reachability confirmation."; |
| 857 | } |
| 858 | enum probe { |
| 859 | description |
| 860 | "The neighbor is no longer known to be reachable, and |
| 861 | unicast Neighbor Solicitation probes are being sent |
| 862 | to verify reachability."; |
| 863 | } |
| 864 | } |
| 865 | status deprecated; |
| 866 | description |
| 867 | "The Neighbor Unreachability Detection state of this |
| 868 | entry."; |
| 869 | reference |
| 870 | "RFC 4861: Neighbor Discovery for IP version 6 (IPv6) |
| 871 | Section 7.3.2"; |
| 872 | } |
| 873 | } |
| 874 | } |
| 875 | } |
| 876 | } |