4.0 L2TP Object Definitions
L2TP-MIB DEFINITIONS ::= BEGIN IMPORTS Integer32, Unsigned32, Counter32, Gauge32, Counter64, transmission, MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE FROM SNMPv2-SMI TEXTUAL-CONVENTION, RowStatus, TruthValue, StorageType FROM SNMPv2-TC SnmpAdminString FROM SNMP-FRAMEWORK-MIB OBJECT-GROUP, MODULE-COMPLIANCE, NOTIFICATION-GROUP FROM SNMPv2-CONF InterfaceIndex FROM IF-MIB; l2tp MODULE-IDENTITY LAST-UPDATED "200208230000Z" -- 23 August 2002 ORGANIZATION "IETF L2TP Working Group" CONTACT-INFO "Evan Caves Postal: Occam Networks 77 Robin Hill Road Santa Barbara, CA, 93117 Tel: +1 805692 2900 Email: evan@occamnetworks.com Pat R. Calhoun
Postal: Black Storm Networks 110 Nortech Parkway San Jose, CA, 95143 Tel: +1 408 941-0500 Email: pcalhoun@bstormnetworks.com Ross Wheeler Postal: DoubleWide Software, Inc. 2953 Bunker Hill Lane Suite 101 Santa Clara, CA 95054 Tel: +1 6509260599 Email: ross@doublewidesoft.com Layer Two Tunneling Protocol Extensions WG Working Group Area: Internet Working Group Name: l2tpext General Discussion: l2tp@l2tp.net" DESCRIPTION "The MIB module that describes managed objects of general use by the Layer Two Transport Protocol." -- revision log REVISION "200208230000Z" -- 23 August 2002 DESCRIPTION "First revision, published as RFC 3371." ::= { transmission 95 } -- -- Textual Conventions -- L2tpMilliSeconds ::= TEXTUAL-CONVENTION DISPLAY-HINT "d-3" STATUS current DESCRIPTION "A period of time measured in units of .001 of seconds when used in conjunction with the DISPLAY-HINT will show seconds and fractions of second with a resolution of .001 of a second." SYNTAX Integer32 (0..2147483646) -- -- Definitions of significant branches --
l2tpNotifications OBJECT IDENTIFIER ::= { l2tp 0 } l2tpObjects OBJECT IDENTIFIER ::= { l2tp 1 } l2tpTransports OBJECT IDENTIFIER ::= { l2tp 3 } l2tpConformance OBJECT IDENTIFIER ::= { l2tp 4 } -- -- Definitions of significant branches under l2tpObjects -- l2tpScalar OBJECT IDENTIFIER ::= { l2tpObjects 1 } l2tpConfig OBJECT IDENTIFIER ::= { l2tpScalar 1 } l2tpStats OBJECT IDENTIFIER ::= { l2tpScalar 2 } -- -- Definitions of significant branches under l2tpTransports -- -- Note that future transports of L2TP (e.g.: Frame relay) -- should create their own branch under l2tpTransports. l2tpTransportIpUdp OBJECT IDENTIFIER ::= { l2tpTransports 1 } l2tpIpUdpObjects OBJECT IDENTIFIER ::= { l2tpTransportIpUdp 1 } l2tpIpUdpTraps OBJECT IDENTIFIER ::= { l2tpTransportIpUdp 2 } -- -- The L2TP Scalar Configuration Group -- -- This group of objects is used to manage configuration -- of the L2TP protocol environment. l2tpAdminState OBJECT-TYPE SYNTAX INTEGER { enabled(1), disabled(2) } MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines the administrative state of the L2TP protocol. Setting this object to 'disabled' causes all tunnels to be immediately disconnected and no further tunnels to be either initiated or accepted. The value of this object must be maintained in non-volatile memory." ::= { l2tpConfig 1 } l2tpDrainTunnels OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-write STATUS current
DESCRIPTION "Setting this object to 'true' will prevent any new tunnels and/or sessions to be either initiated or accepted but does NOT disconnect any active tunnels/sessions. Setting this object to true(1) causes all domains and their respective tunnels to transition to the draining state. Note that when this occurs the 'xxxDraining' status objects of the domains and their tunnels should reflect that they are 'draining'. Setting this object has no affect on the domains or their tunnels 'xxxDrainTunnels' configuration objects. To cancel a drain this object should be set to false(2). The object l2tpDrainingTunnels reflects the current L2TP draining state. The value of this object must be maintained in non-volatile memory." ::= { l2tpConfig 2 } -- -- The L2TP Scalar Status and Statistics Group -- -- This group of objects describe the current state and -- statistics of L2TP. l2tpProtocolVersions OBJECT-TYPE SYNTAX OCTET STRING (SIZE(2..256)) MAX-ACCESS read-only STATUS current DESCRIPTION "Vector of supported L2TP protocol version and revision numbers. Supported versions are identified via a two octet pairing where the first octet indicates the version and the second octet contains the revision." ::= { l2tpStats 1 } l2tpVendorName OBJECT-TYPE SYNTAX SnmpAdminString MAX-ACCESS read-only STATUS current DESCRIPTION "This object identifies the Vendor name of the L2TP protocol stack." ::= { l2tpStats 2 } l2tpFirmwareRev OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS read-only
STATUS current DESCRIPTION "This object defines the firmware revision for the L2TP protocol stack." ::= { l2tpStats 3 } l2tpDrainingTunnels OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates if the local L2TP is draining off sessions from all tunnels." ::= { l2tpStats 4 } -- -- The L2TP Domain Configuration Table -- l2tpDomainConfigTable OBJECT-TYPE SYNTAX SEQUENCE OF L2tpDomainConfigEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The L2TP Domain configuration table. This table contains objects that can be used to configure the operational characteristics of a tunnel domain. There is a 1-1 correspondence between conceptual rows of this table and conceptual rows of the l2tpDomainStatsTable." ::= { l2tpObjects 2 } l2tpDomainConfigEntry OBJECT-TYPE SYNTAX L2tpDomainConfigEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An L2TP Domain configuration entry. An entry in this table may correspond to a single endpoint or a group of tunnel endpoints." INDEX { l2tpDomainConfigId } ::= { l2tpDomainConfigTable 1 } L2tpDomainConfigEntry ::= SEQUENCE { l2tpDomainConfigId SnmpAdminString, l2tpDomainConfigAdminState
INTEGER, l2tpDomainConfigDrainTunnels TruthValue, l2tpDomainConfigAuth INTEGER, l2tpDomainConfigSecret SnmpAdminString, l2tpDomainConfigTunnelSecurity INTEGER, l2tpDomainConfigTunnelHelloInt Integer32, l2tpDomainConfigTunnelIdleTO Integer32, l2tpDomainConfigControlRWS Integer32, l2tpDomainConfigControlMaxRetx Integer32, l2tpDomainConfigControlMaxRetxTO Integer32, l2tpDomainConfigPayloadSeq INTEGER, l2tpDomainConfigReassemblyTO L2tpMilliSeconds, l2tpDomainConfigProxyPPPAuth TruthValue, l2tpDomainConfigStorageType StorageType, l2tpDomainConfigStatus RowStatus } l2tpDomainConfigId OBJECT-TYPE SYNTAX SnmpAdminString (SIZE (1..80)) MAX-ACCESS not-accessible STATUS current DESCRIPTION "The identifier, usually in the form of a Domain Name (full or partial), describing a single tunnel endpoint or a domain of tunnel endpoints. This is typically used as a 'handle' to identify the tunnel configuration requirements for both incoming and outgoing tunnel connection attempts. Both the LAC and LNS could use information provided in the Host Name AVP attribute however the tunnel initiator could use other means not specified to identify the domain's tunnel configuration requirements. For example; three rows in this table have l2tpDomainConfigId values of 'lac1.isp.com',
'isp.com' and 'com'. A tunnel endpoint then identifies itself as 'lac1.isp.com' which would match the 'lac1.isp.com' entry in this table. A second tunnel endpoint then identifies itself as 'lac2.isp.com'. This endpoint is then associated with the 'isp.com' entry of this table." ::= { l2tpDomainConfigEntry 1 } l2tpDomainConfigAdminState OBJECT-TYPE SYNTAX INTEGER { enabled(1), disabled(2) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the administrative state of this tunnel domain. Setting this object to disabled(2) causes all tunnels to be immediately disconnected and no further tunnels to be either initiated or accepted. Note that all columnar objects corresponding to this conceptual row cannot be modified when the administrative state is enabled EXCEPT those objects which specifically state otherwise." DEFVAL { enabled } ::= { l2tpDomainConfigEntry 2 } l2tpDomainConfigDrainTunnels OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-create STATUS current DESCRIPTION "Setting this object to 'true' will prevent any new tunnels and/or sessions from being either initiated or accepted but does NOT disconnect any active tunnels/sessions for this tunnel domain. Setting this object to true(1) causes all tunnels within this domain to transition to the draining state. Note that when this occurs the l2tpTunnelStatsDrainingTunnel status objects of all of this domain's tunnels should reflect that they are 'draining'. Setting this object has no effect on this domain's associated tunnels l2tpTunnelConfigDrainTunnel configuration objects. To cancel a drain this object should be set to false(2). Setting this object to false(2) when the L2TP object l2tpDrainTunnels is true(1) has no affect, all domains and their tunnels will
continue to drain." DEFVAL { false } ::= { l2tpDomainConfigEntry 3 } l2tpDomainConfigAuth OBJECT-TYPE SYNTAX INTEGER { none(1), simple(2), challenge(3) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object describes how tunnel peers belonging to this domain are to be authenticated. The value simple(2) indicates that peers are authenticated simply by their host name as described in the Host Name AVP. The value challenge(3) indicates that all peers are challenged to prove their identification. This mechanism is described in the L2TP protocol." REFERENCE "RFC 2661 Section 5.1" DEFVAL { none } ::= { l2tpDomainConfigEntry 4 } l2tpDomainConfigSecret OBJECT-TYPE SYNTAX SnmpAdminString (SIZE (0..255)) MAX-ACCESS read-create STATUS current DESCRIPTION "This object is used to configure the shared secret used during the tunnel authentication phase of tunnel establishment. This object MUST be accessible only via requests using both authentication and privacy. The agent MUST report an empty string in response to get, get-next and get-bulk requests." ::= { l2tpDomainConfigEntry 5 } l2tpDomainConfigTunnelSecurity OBJECT-TYPE SYNTAX INTEGER { none(1), other(2), ipSec(3) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines whether this tunnel domain requires that all tunnels are to be secured. The
value of ipsec(3) indicates that all tunnel packets, control and session, have IP Security headers. The type of IP Security headers (AH, ESP etc) and how they are further described is outside the scope of this document." DEFVAL { none } ::= { l2tpDomainConfigEntry 6 } l2tpDomainConfigTunnelHelloInt OBJECT-TYPE SYNTAX Integer32 (0..3600) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the interval in which Hello (or keep-alive) packets are to be sent by local peers belonging to this tunnel domain. The value zero effectively disables the sending of Hello packets. This object may be modified when the administrative state is enabled for this conceptual row." DEFVAL { 60 } ::= { l2tpDomainConfigEntry 7 } l2tpDomainConfigTunnelIdleTO OBJECT-TYPE SYNTAX Integer32 (-1..86400) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the period of time that an established tunnel belonging to this tunnel domain with no active sessions will wait before disconnecting the tunnel. A value of zero indicates that the tunnel will disconnect immediately after the last session disconnects. A value of -1 leaves the tunnel up indefinitely. This object may be modified when the administrative state is enabled for this conceptual row." DEFVAL { 0 } ::= { l2tpDomainConfigEntry 8 } l2tpDomainConfigControlRWS OBJECT-TYPE SYNTAX Integer32 (1..65535) MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the control channel receive
window size for tunnels belonging to this domain. It specifies the maximum number of packets the tunnel peer belonging to this domain can send without waiting for an acknowledgement from this peer." DEFVAL { 4 } ::= { l2tpDomainConfigEntry 9 } l2tpDomainConfigControlMaxRetx OBJECT-TYPE SYNTAX Integer32 (0..32) MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the maximum number of retransmissions which the L2TP stack will attempt for tunnels belonging to this domain before assuming that the peer is no longer responding." DEFVAL { 5 } ::= { l2tpDomainConfigEntry 10 } l2tpDomainConfigControlMaxRetxTO OBJECT-TYPE SYNTAX Integer32 (1..32) UNITS "seconds" MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the maximum retransmission timeout interval which the L2TP stack will wait for tunnels belonging to this domain before retransmitting a control packet that has not been acknowledged." DEFVAL { 16 } ::= { l2tpDomainConfigEntry 11 } l2tpDomainConfigPayloadSeq OBJECT-TYPE SYNTAX INTEGER { onDemand(1), never(2), always(3) } MAX-ACCESS read-create STATUS current DESCRIPTION "This object determines whether or not session payload packets will be requested to be sent with sequence numbers from tunnel peers belonging to this domain. The value onDemand(1) allows the L2TP implementation to initiate payload sequencing when necessary based on local information (e.g: during LCP/NCP negotiations or for CCP). The value never(2) indicates that L2TP
will never initiate sequencing but will do sequencing if asked. The value always(3) indicates that L2TP will send the Sequencing Required AVP during session establishment." DEFVAL { onDemand } ::= { l2tpDomainConfigEntry 12 } l2tpDomainConfigReassemblyTO OBJECT-TYPE SYNTAX L2tpMilliSeconds MAX-ACCESS read-create STATUS current DESCRIPTION "This object defines the number of milliseconds that local peers of this tunnel domain will wait before processing payload packets that were received out of sequence (which are waiting for the packet(s) to put them in sequence). A low value increases the chance of delayed packets to be discarded (which MAY cause the PPP decompression engine to reset) while a high value may cause more queuing and possibly degrade throughput if packets are truly lost. The default value for this object is zero which will result in all delayed packets being lost." DEFVAL { 0 } ::= { l2tpDomainConfigEntry 13 } l2tpDomainConfigProxyPPPAuth OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-create STATUS current DESCRIPTION "This object is used to configure the sending or acceptance of the PPP Proxy Authentication AVP's on the LAC or LNS." DEFVAL { true } ::= { l2tpDomainConfigEntry 14 } l2tpDomainConfigStorageType OBJECT-TYPE SYNTAX StorageType MAX-ACCESS read-create STATUS current DESCRIPTION "The storage type for this conceptual row. Conceptual rows having the value 'permanent' must allow write-access at a minimum to: - l2tpDomainConfigAdminState and
l2tpDomainConfigDrainTunnels at all times - l2tpDomainConfigSecret if l2tpDomainConfigAuth has been configured as 'challenge' It is an implementation issue to decide if a SET for a readOnly or permanent row is accepted at all. In some contexts this may make sense, in others it may not. If a SET for a readOnly or permanent row is not accepted at all, then a 'wrongValue' error must be returned." ::= { l2tpDomainConfigEntry 15 } l2tpDomainConfigStatus OBJECT-TYPE SYNTAX RowStatus MAX-ACCESS read-create STATUS current DESCRIPTION "The status of this Domain entry. Columnar objects corresponding to this conceptual row may be modified according to their description clauses when this RowStatus object is 'active'." ::= { l2tpDomainConfigEntry 16 } -- -- The L2TP Domain Status and Statistics Table -- l2tpDomainStatsTable OBJECT-TYPE SYNTAX SEQUENCE OF L2tpDomainStatsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The L2TP Domain Status and Statistics table. This table contains objects that can be used to describe the current status and statistics of a tunnel domain. There is a 1-1 correspondence between conceptual rows of this table and conceptual rows of the l2tpDomainConfigTable." ::= { l2tpObjects 3 } l2tpDomainStatsEntry OBJECT-TYPE SYNTAX L2tpDomainStatsEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "An L2TP Domain Stats entry. An entry in this table may correspond to a single endpoint or a group of tunnel endpoints." AUGMENTS { l2tpDomainConfigEntry }
::= { l2tpDomainStatsTable 1 } L2tpDomainStatsEntry ::= SEQUENCE { l2tpDomainStatsTotalTunnels Counter32, l2tpDomainStatsFailedTunnels Counter32, l2tpDomainStatsFailedAuths Counter32, l2tpDomainStatsActiveTunnels Gauge32, l2tpDomainStatsTotalSessions Counter32, l2tpDomainStatsFailedSessions Counter32, l2tpDomainStatsActiveSessions Gauge32, l2tpDomainStatsDrainingTunnels TruthValue, l2tpDomainStatsControlRxOctets Counter32, l2tpDomainStatsControlRxPkts Counter32, l2tpDomainStatsControlTxOctets Counter32, l2tpDomainStatsControlTxPkts Counter32, l2tpDomainStatsPayloadRxOctets Counter32, l2tpDomainStatsPayloadRxPkts Counter32, l2tpDomainStatsPayloadRxDiscs Counter32, l2tpDomainStatsPayloadTxOctets Counter32, l2tpDomainStatsPayloadTxPkts Counter32, l2tpDomainStatsControlHCRxOctets Counter64, l2tpDomainStatsControlHCRxPkts Counter64, l2tpDomainStatsControlHCTxOctets Counter64, l2tpDomainStatsControlHCTxPkts Counter64, l2tpDomainStatsPayloadHCRxOctets Counter64,
l2tpDomainStatsPayloadHCRxPkts Counter64, l2tpDomainStatsPayloadHCRxDiscs Counter64, l2tpDomainStatsPayloadHCTxOctets Counter64, l2tpDomainStatsPayloadHCTxPkts Counter64 } l2tpDomainStatsTotalTunnels OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the total number of tunnels that have successfully reached the established state for this tunnel domain." ::= { l2tpDomainStatsEntry 1 } l2tpDomainStatsFailedTunnels OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of tunnels that failed (eg: connection timeout, unsupported or malformed AVP's etc) to reach the established state for this tunnel domain." ::= { l2tpDomainStatsEntry 2 } l2tpDomainStatsFailedAuths OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of failed tunnel connection attempts for this domain because the tunnel peer failed authentication." ::= { l2tpDomainStatsEntry 3 } l2tpDomainStatsActiveTunnels OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of tunnels that are currently active for this domain."
::= { l2tpDomainStatsEntry 4 } l2tpDomainStatsTotalSessions OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the total number of sessions that have successfully reached the established state for this tunnel domain." ::= { l2tpDomainStatsEntry 5 } l2tpDomainStatsFailedSessions OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of sessions that failed (eg: connection timeout, unsupported or malformed AVP's etc) to reach the established state for this tunnel domain." ::= { l2tpDomainStatsEntry 6 } l2tpDomainStatsActiveSessions OBJECT-TYPE SYNTAX Gauge32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of sessions that are currently active for this domain." ::= { l2tpDomainStatsEntry 7 } l2tpDomainStatsDrainingTunnels OBJECT-TYPE SYNTAX TruthValue MAX-ACCESS read-only STATUS current DESCRIPTION "This object indicates if this domain is draining off sessions from all tunnels." ::= { l2tpDomainStatsEntry 8 } l2tpDomainStatsControlRxOctets OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of control channel octets received for this tunnel domain."
::= { l2tpDomainStatsEntry 9 } l2tpDomainStatsControlRxPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of control packets received for this tunnel domain." ::= { l2tpDomainStatsEntry 10 } l2tpDomainStatsControlTxOctets OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of control channel octets that were transmitted to tunnel endpoints for this domain." ::= { l2tpDomainStatsEntry 11 } l2tpDomainStatsControlTxPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of control packets that were transmitted to tunnel endpoints for this domain." ::= { l2tpDomainStatsEntry 12 } l2tpDomainStatsPayloadRxOctets OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of payload channel octets that were received for this tunnel domain." ::= { l2tpDomainStatsEntry 13 } l2tpDomainStatsPayloadRxPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of payload packets that were received for this tunnel domain." ::= { l2tpDomainStatsEntry 14 }
l2tpDomainStatsPayloadRxDiscs OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of received payload packets that were discarded by this tunnel domain." ::= { l2tpDomainStatsEntry 15 } l2tpDomainStatsPayloadTxOctets OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of payload channel octets that were transmitted to tunnel peers within this tunnel domain." ::= { l2tpDomainStatsEntry 16 } l2tpDomainStatsPayloadTxPkts OBJECT-TYPE SYNTAX Counter32 MAX-ACCESS read-only STATUS current DESCRIPTION "This object returns the number of payload packets that were transmitted to tunnel peers within this tunnel domain." ::= { l2tpDomainStatsEntry 17 } -- -- High Capacity Counter objects. These objects are all -- 64 bit versions of the above 32-bit counters. These -- objects all have the same basic semantics as their -- 32-bit counterparts, however, their syntax has been -- extended to 64 bits. -- l2tpDomainStatsControlHCRxOctets OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsControlRxOctets." ::= { l2tpDomainStatsEntry 18 } l2tpDomainStatsControlHCRxPkts OBJECT-TYPE SYNTAX Counter64
MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsControlRxPkts." ::= { l2tpDomainStatsEntry 19 } l2tpDomainStatsControlHCTxOctets OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsControlTxOctets." ::= { l2tpDomainStatsEntry 20 } l2tpDomainStatsControlHCTxPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsControlTxPkts." ::= { l2tpDomainStatsEntry 21 } l2tpDomainStatsPayloadHCRxOctets OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsPayloadRxOctets." ::= { l2tpDomainStatsEntry 22 } l2tpDomainStatsPayloadHCRxPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsPayloadRxPkts." ::= { l2tpDomainStatsEntry 23 } l2tpDomainStatsPayloadHCRxDiscs OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION
"This object is a 64-bit version of l2tpDomainStatsPayloadRxDiscs." ::= { l2tpDomainStatsEntry 24 } l2tpDomainStatsPayloadHCTxOctets OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsPayloadTxOctets." ::= { l2tpDomainStatsEntry 25 } l2tpDomainStatsPayloadHCTxPkts OBJECT-TYPE SYNTAX Counter64 MAX-ACCESS read-only STATUS current DESCRIPTION "This object is a 64-bit version of l2tpDomainStatsPayloadTxPkts." ::= { l2tpDomainStatsEntry 26 } -- -- The L2TP Tunnel Configuration Table -- l2tpTunnelConfigTable OBJECT-TYPE SYNTAX SEQUENCE OF L2tpTunnelConfigEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION "The L2TP tunnel configuration table. This table contains objects that can be used to (re)configure the operational characteristics of a single L2TP tunnel. There is a 1-1 correspondence between conceptual rows of this table and conceptual rows of the l2tpTunnelStatsTable. Entries in this table have the same persistency characteristics as that of the tunnelConfigTable." REFERENCE "RFC 2667" ::= { l2tpObjects 4 } l2tpTunnelConfigEntry OBJECT-TYPE SYNTAX L2tpTunnelConfigEntry MAX-ACCESS not-accessible STATUS current DESCRIPTION
"A L2TP tunnel interface configuration entry. Entries in this table come and go as a result of protocol interactions or on management operations. The latter occurs when a row is instantiated in the tunnelConfigTable row and the encapsulation method is 'l2tp'." REFERENCE "RFC 2667" INDEX { l2tpTunnelConfigIfIndex } ::= { l2tpTunnelConfigTable 1 } L2tpTunnelConfigEntry ::= SEQUENCE { l2tpTunnelConfigIfIndex InterfaceIndex, l2tpTunnelConfigDomainId SnmpAdminString, l2tpTunnelConfigAuth INTEGER, l2tpTunnelConfigSecret SnmpAdminString, l2tpTunnelConfigSecurity INTEGER, l2tpTunnelConfigHelloInterval Integer32, l2tpTunnelConfigIdleTimeout Integer32, l2tpTunnelConfigControlRWS Integer32, l2tpTunnelConfigControlMaxRetx Integer32, l2tpTunnelConfigControlMaxRetxTO Integer32, l2tpTunnelConfigPayloadSeq INTEGER, l2tpTunnelConfigReassemblyTO L2tpMilliSeconds, l2tpTunnelConfigTransport INTEGER, l2tpTunnelConfigDrainTunnel TruthValue, l2tpTunnelConfigProxyPPPAuth TruthValue } l2tpTunnelConfigIfIndex OBJECT-TYPE SYNTAX InterfaceIndex MAX-ACCESS not-accessible STATUS current
DESCRIPTION "This value for this object is equal to the value of ifIndex of the Interfaces MIB for tunnel interfaces of type L2TP." ::= { l2tpTunnelConfigEntry 1 } l2tpTunnelConfigDomainId OBJECT-TYPE SYNTAX SnmpAdminString (SIZE (1..80)) MAX-ACCESS read-write STATUS current DESCRIPTION "The tunnel domain that this tunnel belongs to. A LNS tunnel endpoint will typically inherit this value from the endpoint domain table. A LAC may be provided with this information during tunnel setup. When a zero length string is returned this tunnel does not belong belong to any particular domain." ::= { l2tpTunnelConfigEntry 2 } l2tpTunnelConfigAuth OBJECT-TYPE SYNTAX INTEGER { none(1), simple(2), challenge(3) } MAX-ACCESS read-write STATUS current DESCRIPTION "This object describes how L2TP tunnel peers are to be authenticated. The value 'simple' indicates that peers are authenticated simply by their host name as described in the Host Name AVP. The value 'challenge' indicates that all peers are challenged to prove their identification. This mechanism is described in the L2TP protocol. This object cannot be modified when the tunnel is in a connecting or connected state." DEFVAL { none } ::= { l2tpTunnelConfigEntry 3 } l2tpTunnelConfigSecret OBJECT-TYPE SYNTAX SnmpAdminString (SIZE (0..255)) MAX-ACCESS read-write STATUS current DESCRIPTION "This object is used to configure the shared secret used during the tunnel authentication phase of
tunnel establishment. This object cannot be modified when the tunnel is in a connecting or connected state. This object MUST be accessible only via requests using both authentication and privacy. The agent MUST report an empty string in response to get, get-next and get-bulk requests." ::= { l2tpTunnelConfigEntry 4 } l2tpTunnelConfigSecurity OBJECT-TYPE SYNTAX INTEGER { none(1), other(2), ipsec(3) } MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines whether this tunnel is to be secured. The value of 'ipSec' indicates that all tunnel packets, control and session, have IP Security headers. The type of IP Security headers (AH, ESP etc) and how they are further described is outside the scope of this document. This object cannot be modified when the tunnel is in a connecting or connected state." DEFVAL { none } ::= { l2tpTunnelConfigEntry 5 } l2tpTunnelConfigHelloInterval OBJECT-TYPE SYNTAX Integer32 (0..3600) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines the interval in which Hello (or keep-alive) packets are to be sent to the tunnel peer. The value zero effectively disables the sending of Hello packets. Modifications to this object have immediate effect." DEFVAL { 60 } ::= { l2tpTunnelConfigEntry 6 } l2tpTunnelConfigIdleTimeout OBJECT-TYPE SYNTAX Integer32 (-1..86400) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION
"This object defines the period of time that an established tunnel with no sessions will wait before disconnecting the tunnel. A value of zero indicates that the tunnel will disconnect immediately after the last session disconnects. A value of -1 leaves the tunnel up indefinitely. Modifications to this object have immediate effect." DEFVAL { 0 } ::= { l2tpTunnelConfigEntry 7 } l2tpTunnelConfigControlRWS OBJECT-TYPE SYNTAX Integer32 (1..65535) MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines the control channel receive window size. It specifies the maximum number of packets the tunnel peer can send without waiting for an acknowledgement from this peer. This object cannot be modified when the tunnel is in a con- necting or connected state." DEFVAL { 4 } ::= { l2tpTunnelConfigEntry 8 } l2tpTunnelConfigControlMaxRetx OBJECT-TYPE SYNTAX Integer32 (0..32) MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines the number of retransmissions which the tunnel will attempt before assuming that the peer is no longer responding. A value of zero indicates that this peer will not attempt to retransmit an unacknowledged control packet. Modifications to this object have immediate effect." DEFVAL { 5 } ::= { l2tpTunnelConfigEntry 9 } l2tpTunnelConfigControlMaxRetxTO OBJECT-TYPE SYNTAX Integer32 (1..32) UNITS "seconds" MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines the maximum retransmission timeout interval which the tunnel will wait before retrans-
mitting a control packet that has not been acknowledged. Modifications to this object have immediate effect." DEFVAL { 16 } ::= { l2tpTunnelConfigEntry 10 } l2tpTunnelConfigPayloadSeq OBJECT-TYPE SYNTAX INTEGER { onDemand(1), never(2), always(3) } MAX-ACCESS read-write STATUS current DESCRIPTION "This object determines whether or not session payload packets will be requested to be sent with sequence numbers from tunnel peers belonging to this domain. The value onDemand(1) allows the L2TP implementation to initiate payload sequencing when necessary based on local information (e.g: during LCP/NCP negotiations or for CCP). The value never(2) indicates that L2TP will never initiate sequencing but will do sequencing if asked. The value always(3) indicates that L2TP will send the Sequencing Required AVP during session establishment. Modifications to this object have immediate effect." DEFVAL { onDemand } ::= { l2tpTunnelConfigEntry 11 } l2tpTunnelConfigReassemblyTO OBJECT-TYPE SYNTAX L2tpMilliSeconds MAX-ACCESS read-write STATUS current DESCRIPTION "This object defines the number of milliseconds that this tunnel will wait before processing payload packets that were received out of sequence (which are waiting for the packet(s) to put them in sequence). A low value increases the chance of delayed packets to be discarded (which MAY cause the PPP decompression engine to reset) while a high value may cause more queuing and possibly degrade throughput if packets are truly lost. The default value for this object is zero which will result in all delayed packets being lost. Modifications to this object have immediate effect." DEFVAL { 0 } ::= { l2tpTunnelConfigEntry 12 }