Home/Catalog/HP-SN-IP-VRRP-MIB

HP-SN-IP-VRRP-MIB

Detailed view of the defined objects, syntax rules, and hierarchical paths.

90
Objects
Active
Status
4
Dependencies

Imported Objects

Objects

90 total
Object Name
snVrrpGlobal
OBJECT IDENTIFIER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1
RFC1155-SMI
Unknown
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1
snVrrpGroupOperModeThe VRRP is configured on this system either enabled or disabled and the default is disabled mode. disabled(0)..........disable VRRP enabled(1)...........activate VRRPrw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1.1
snVrrpIfStateChangeTrapIndicates whether the SNMP agent process is permitted to generate vrrp and vrrpe interface state change traps.rw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1.2
snVrrpIfMaxNumVridPerIntfIndicates the maximum number of VRID per interface.ro
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1.3
snVrrpIfMaxNumVridPerSystemIndicates the maximum number of VRID per system.ro
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1.4
snVrrpClearVrrpStatClear VRRP statistics command.rw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1.5
snVrrpGroupOperModeVrrpextendedThe VRRP_extended is configured on this system either enabled or disabled and the default is disabled mode. disabled(0)..........disable VRRP extended enabled(1)...........activate VRRP extendedrw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.1.6
snVrrpIntf
OBJECT IDENTIFIER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2
snVrrpIfTableThe VRRP Interface Table describes the interfaces from the viewpoint of VRRP.deprecated
SEQUENCE OF SnVrrpIfEntry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1
snVrrpIfEntryThe VRRP Interface Entry describes one interface from the viewpoint of VRRP.deprecated
SnVrrpIfEntry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1
snVrrpIfPortThe IP port of this VRRP interface.rodeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.1
snVrrpIfAuthTypeThe authentication type of this interface.rwdeprecated
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.2
snVrrpIfAuthPasswordThe simple text password is allowed if only if the snVrrpIfAuthType type is simpleTextPasswd(1).rwdeprecated
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.3
snVrrpIfRxHeaderErrCntsThe received Header error counts in this interface.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.4
snVrrpIfRxAuthTypeErrCntsThe received authentication type error counts in this interface.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.5
snVrrpIfRxAuthPwdMismatchErrCntsThe received authentication password mismatched error counts in this interface.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.6
snVrrpIfRxVridErrCntsThe received unfound VRID error counts in this interface.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.2.1.1.7
snVrrpVirRtr
OBJECT IDENTIFIER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3
snVrrpVirRtrTableThe VRRP virtual router Entry describes one virtual router from the viewpoint of VRRP.deprecated
SEQUENCE OF SnVrrpVirRtrEntry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1
snVrrpVirRtrEntryThe VRRP virtual router Entry describes one virtual router from the viewpoint of VRRP.deprecated
SnVrrpVirRtrEntry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1
snVrrpVirRtrPortThe IP port of this VRRP interface.rodeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.1
snVrrpVirRtrIdOne of the virtual router ID of this VRRP interface.rodeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.2
snVrrpVirRtrOwnershipThe ownership of this VRRP router interface can be set either owner(1) or backup(2). VirRtr SNMP-GET returns incomplete(0), it means no IP address has assigned to this VRRP router interface.rwdeprecated
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.3
snVrrpVirRtrCfgPriorityThe higher the number the higher the priority is. This parameter decides which backup router should becomes the Active Router for the interface. A backup Router with higher priority selected to becomes the Active Router. Therefore, this Object can be set if only if snVrrpVirRtrOwnership is set to backup(2).rwdeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.4
snVrrpVirRtrTrackPriorityThe higher the number the higher the priority is. after this object is configured, the snVrrpVirRtrCurrPriority of this interface will be adjusted dynamically with this track priority when the Track Port states first changes from UP to DOWN.rwdeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.5
snVrrpVirRtrCurrPriorityThe higher the number the higher the priority is. This object will be adjusted dynamically with the track priority when the Track Port states first changes from UP to DOWN.rodeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.6
snVrrpVirRtrHelloIntTime interval between advertisements (seconds).rwdeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.7
snVrrpVirRtrDeadIntDead interval (seconds).rwdeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.8
snVrrpVirRtrPreemptModeThis mode controls whether a higher priority Backup router preempts a lower priority Master. The mode with enabled(1) allow preemption and disabled(0) prohibit preemption.rwdeprecated
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.9
snVrrpVirRtrStateThis object specifies the VRRP Router's interface state as: init(0)...initialization state. master(1)...master state. backup(2)...backup state.rodeprecated
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.10
snVrrpVirRtrActivateThis object specifies the VRRP Router's activate command as: disabled(0)...deactivate this VRRP Router. enabled(1)....activate this VRRP Router.rwdeprecated
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.11
snVrrpVirRtrIpAddrMaskThe numbers of IP Addresses of this virtual router of this interface.rwdeprecated
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.12
snVrrpVirRtrTrackPortMaskThis object specifies the identity of the physical port whose state is to be monitored. Each bit is a port of the system. Default value is 0. VirRtr this object is configured then the Preference Level of this interface will be adjusted dynamically depending on the state of the Track Port. The interface's Preference Level is reduced by value of Preference Level parameter when the Track Port states first changes from UP to DOWN. When the Track Port next comes up the interface's Preference Level is increased by the amount specified by the Preference Level. The Chassis/Stackable router VRRP Track port membership. The size of the OCTET STRING for Chassis is 32. The size of the OCTET STRING for Stackable is 4. (It was obsoleted after release 07100, replaced by snVrrpVirRtrTrackPortList)rwdeprecated
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.13
snVrrpVirRtrTrackVifMaskThis object specifies the identity of the virtual interface whose state is to be monitored. Each bit is a port of the system. Default value is 0. VirRtr this object is configured then the Preference Level of this interface will be adjusted dynamically depending on the state of the Track Port. The interface's Preference Level is reduced by value of Preference Level parameter when the Track Port states first changes from UP to DOWN. When the Track Port next comes up the interface's Preference Level is increased by the amount specified by the Preference Level. The Chassis/Stackable router VRRP Track port membership The size of the OCTET STRING for Chassis is 8. The size of the OCTET STRING for Stackable is 4. (It was obsoleted after release 07100, replaced by snVrrpVirRtrTrackVifPortList)rwdeprecated
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.14
snVrrpVirRtrRowStatusThis object is used to create and delete row in the table and control if they are used. The values that can be written are: delete(3)...deletes the row create(4)...creates a new row modify(5)...modifies an existing row VirRtr the row exists, then a SET with value of create(4) returns error 'badValue'. Deleted rows go away immediately. The following values can be returned on reads: noSuch(0)...no such row invalid(1)...Setting it to 'invalid' has the effect of rendering it inoperative.. valid(2)....the row exists and is validrwdeprecated
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.15
snVrrpVirRtrRxArpPktDropCntsThe received VRRP ARP Packet Drop Counts.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.16
snVrrpVirRtrRxIpPktDropCntsThe received VRRP IP Packet Drop Counts.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.17
snVrrpVirRtrRxPortMismatchCntsThe received VRRP Port mismatching Counts.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.18
snVrrpVirRtrRxNumOfIpMismatchCntsThe received VRRP Number of IP Addresses mismatching Counts.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.19
snVrrpVirRtrRxIpMismatchCntsThe received VRRP IP Address mismatching Counts.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.20
snVrrpVirRtrRxHelloIntMismatchCntsThe counts of the virtual router interface with hello interval mismatch counts.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.21
snVrrpVirRtrRxPriorityZeroFromMasterCntsThe counts of the virtual router interface with Priority zero from the master.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.22
snVrrpVirRtrRxHigherPriorityCntsThe counts of the virtual router interface with higher Priority.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.23
snVrrpVirRtrTransToMasterStateCntsThe counts of the virtual router interface transition to master state.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.24
snVrrpVirRtrTransToBackupStateCntsThe counts of the virtual router interface transition to backup state.rodeprecated
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.25
snVrrpVirRtrCurrDeadIntCurrent Dead interval (in 100 milliseconds).rodeprecated
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.26
snVrrpVirRtrTrackPortListThis object specifies the identity of the physical port whose state is to be monitored. Each port index is a 16-bit integer in big endian order. 8-bit is the slot number, the other 8-bit is the port number. Default value is 0 length octet string. If this object is configured then the Preference Level of this interface will be adjusted dynamically depending on the state of the Track Port. The interface's Preference Level is reduced by value of Preference Level parameter when the Track Port states first changes from UP to DOWN. When the Track Port next comes up the interface's Preference Level is increased by the amount specified by the Preference Level. The router VRRP physical track port membership.rwdeprecated
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.27
snVrrpVirRtrTrackVifPortListThis object specifies the identity of the virtual interface whose state is to be monitored. Each port index is a 16-bit integer in big endian order. Default value is 0 length octet string. If this object is configured then the Preference Level of this interface will be adjusted dynamically depending on the state of the Track Port. The interface's Preference Level is reduced by value of Preference Level parameter when the Track Port states first changes from UP to DOWN. When the Track Port next comes up the interface's Preference Level is increased by the amount specified by the Preference Level. The router VRRP virtual port track membership.rwdeprecated
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.3.1.1.28
snVrrpIntf2
OBJECT IDENTIFIER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4
snVrrpIf2TableThe VRRP and VRRPE Interface Table describes the interfaces from the viewpoint of VRRP and VRRPE.
SEQUENCE OF SnVrrpIf2Entry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1
snVrrpIf2EntryThe VRRP and VRRPE Interface Entry describes one interface from the viewpoint of VRRP and VRRPE.
SnVrrpIf2Entry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1
snVrrpIf2AuthTypeThe authentication type of this interface.rw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1.1
snVrrpIf2AuthPasswordThe simple text password is allowed if only if the snVrrpIf2AuthType type is simpleTextPasswd(1).rw
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1.2
snVrrpIf2RxHeaderErrCntsThe received Header error counts in this interface.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1.3
snVrrpIf2RxAuthTypeErrCntsThe received authentication type error counts in this interface.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1.4
snVrrpIf2RxAuthPwdMismatchErrCntsThe received authentication password mismatched error counts in this interface.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1.5
snVrrpIf2RxVridErrCntsThe received unfound VRID error counts in this interface.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.4.1.1.6
snVrrpVirRtr2
OBJECT IDENTIFIER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5
snVrrpVirRtr2TableThe Vrrp and Vrrpe virtual router Entry describes one virtual router from the viewpoint of Vrrp and Vrrpe.
SEQUENCE OF SnVrrpVirRtr2Entry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1
snVrrpVirRtr2EntryThe Vrrp and Vrrpe virtual router Entry describes one virtual router from the viewpoint of Vrrp and Vrrpe.
SnVrrpVirRtr2Entry
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1
snVrrpVirRtr2IdOne of the virtual router ID of this Vrrp and Vrrpe interface.ro
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.1
snVrrpVirRtr2OwnershipThe ownership of this Vrrp router interface can be set either owner(1) or backup(2). VirRtr SNMP-GET returns incomplete(0), it means no IP address has assigned to this Vrrp router interface. vrrpe protocol has no owner(1), can only be set to backup(2) or incomplete(0).rw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.2
snVrrpVirRtr2CfgPriorityThis object specifies the priority to be used for the virtual router master election process. Higher values imply higher priority. A priority of '0', although not settable, is sent by the master router to indicate that this router has ceased to participate in VRRP and a backup virtual router should transition to become a new master. A priority of 255 is only for VRRP - owner. Not valid for number to configure VRRPE.rw
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.3
snVrrpVirRtr2TrackPriorityThe higher the number the higher the priority is. after this object is configured, the snVrrpVirRtr2CurrPriority of this interface will be adjusted dynamically with this track priority when the Track Port states first changes from UP to DOWN.rw
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.4
snVrrpVirRtr2CurrPriorityThe higher the number the higher the priority is. This object will be adjusted dynamically with the track priority when the Track Port states first changes from UP to DOWN.ro
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.5
snVrrpVirRtr2HelloIntTime interval between advertisements (seconds).rw
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.6
snVrrpVirRtr2DeadIntDead interval (seconds).rw
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.7
snVrrpVirRtr2PreemptModeThis mode controls whether a higher priority Backup router preempts a lower priority Master. The mode with enabled(1) allow preemption and disabled(0) prohibit preemption.rw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.8
snVrrpVirRtr2StateThis object specifies the Vrrp and vrrpe Router's interface state as: init(0)...initialization state. master(1)...master state. backup(2)...backup state.ro
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.9
snVrrpVirRtr2IpAddrMaskThe numbers of IP Addresses of this virtual router of this interface.rw
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.10
snVrrpVirRtr2ActivateThis object specifies the Vrrp Router's activate command as: disabled(0)...deactivate this Vrrp and Vrrpe Routers. enabled(1)....activate this Vrrp and Vrrpe Routers.rw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.11
snVrrpVirRtr2BackupIntTime interval between backup routers hello message advertisements (seconds).rw
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.12
snVrrpVirRtr2RowStatusThis object is used to create and delete row in the table and control if they are used. The values that can be written are: delete(3)...deletes the row create(4)...creates a new row modify(5)...modifies an existing row VirRtr the row exists, then a SET with value of create(4) returns error 'badValue'. Deleted rows go away immediately. The following values can be returned on reads: noSuch(0)...no such row invalid(1)...Setting it to 'invalid' has the effect of rendering it inoperative.. valid(2)....the row exists and is validrw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.13
snVrrpVirRtr2RxArpPktDropCntsThe received Vrrp and Vrrpe ARP Packet Drop Counts.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.14
snVrrpVirRtr2RxIpPktDropCntsThe received Vrrp and Vrrpe IP Packet Drop Counts.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.15
snVrrpVirRtr2RxPortMismatchCntsThe received Vrrp and Vrrpe Port mismatching Counts.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.16
snVrrpVirRtr2RxNumOfIpMismatchCntsThe received Vrrp and Vrrpe Number of IP Addresses mismatching Counts.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.17
snVrrpVirRtr2RxIpMismatchCntsThe received Vrrp and Vrrpe IP Address mismatching Counts.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.18
snVrrpVirRtr2RxHelloIntMismatchCntsThe counts of the virtual router interface with hello interval mismatch counts.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.19
snVrrpVirRtr2RxPriorityZeroFromMasterCntsThe counts of the virtual router interface with Priority zero from the master.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.20
snVrrpVirRtr2RxHigherPriorityCntsThe counts of the virtual router interface with higher Priority.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.21
snVrrpVirRtr2TransToMasterStateCntsThe counts of the virtual router interface transition to master state.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.22
snVrrpVirRtr2TransToBackupStateCntsThe counts of the virtual router interface transition to backup state.ro
Counter
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.23
snVrrpVirRtr2CurrDeadIntCurrent Dead interval (in 100 milliseconds).ro
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.24
snVrrpVirRtr2TrackPortListThis object specifies the identity of the physical port and virtual ports whose state is to be monitored. Each port index is an ifIndex, if there are consecutive 4 or more ifIndex then they will be encoded like below. Encoding and decoding scheme is range based: Each range prefix with 0000 (2 octets) where 0000 is not valid ifIndex. Next 2 octets indicates lower range ifIndex, followed by 2 octets of higher range ifIndex. Individual(non range) ones will be displayed as it is. Ex: port list: 0001..0005 0015 0032..0047 Port list in PDU: 0000 0001 0005 000f 0000 0020 002f. If this object is configured then the Preference Level of this interface will be adjusted dynamically depending on the state of the Track Port. The interface's Preference Level is reduced by value of Preference Level parameter when the Track Port states first changes from UP to DOWN. When the Track Port next comes up the interface's Preference Level is increased by the amount specified by the Preference Level. The router VRRP and VRRP-E physical track port membership.rw
OCTET STRING
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.25
snVrrpVirRtr2AdvertiseBackupSet Advertise this backup router to masterrw
Enumeration
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.26
snVrrpVirRtr2MasterIpAddrThe master router's real/virtual (primary) IP address. This is the IP address listed as the source in VRRP and VRRPE advertisement last received by this virtual router.ro
IpAddress
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.27
snVrrpVirRtr2IpAddrCountThe number of IP addresses that are associated with this virtual router. This number is equal to the number of rows in the vrrpAssoIpAddrTable that correspond to a given IF index/VRID pair.ro
INTEGER
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.28
snVrrpVirRtr2VirtualMacAddrThe virtual MAC address of the virtual router. Although this object can be derived from the 'snVrrpVirRtr2VrId' object, it is defined so that it is easily obtainable by a management application and can be included in VRRP-related SNMP traps.ro
MacAddress (SNMPv2-TC)
.1.3.6.1.4.1.11.2.3.7.11.12.2.12.5.1.1.29
HP-SN-IP-VRRP-MIB - SNMP MIB Reference | MIBs Explorer