Description

SNMP trap ‘jnxMplsLdpSessionDown’ is not supported by Junos .

Symptoms

SNMP trap jnxMplsLdpSessionDown' is not sent from the Juniper device when LDP session goes down. However, SNMP trap can be spoofed from Juniper device using “request snmp spoof-trap” for debugging purpose only.

Solution

SNMP trap ‘jnxMplsLdpSessionDown’ is not supported by Junos and it could not be used on Juniper devices. Customer can depend on other supported trap for the same purpose like as shown below:

jnxLdpSesDown       1.3.6.1.4.1.2636.4.4.0.4
 

"jnxLdpSesDown" trap example (output from SNMP traceoptions):

Jun 10 01:41:22.991279 snmpd[0] <<<<<<<<<<<<<<<<<<<<<<<<<<<<

Jun 10 01:41:22.991291 snmpd[0] <<< V2 Trap

Jun 10 01:41:22.991299 snmpd[0] <<< Source:   xx.xx.xx.xx

Jun 10 01:41:22.991306 snmpd[0] <<< Destination: xx.xx.xx.xx

Jun 10 01:41:22.991313 snmpd[0] <<< Version:   SNMPv2

Jun 10 01:41:22.991321 snmpd[0] <<< Community:  NNMI

Jun 10 01:41:22.991329 snmpd[0] <<<  

Jun 10 01:41:22.991347 snmpd[0] <<<  OID : sysUpTime.0

Jun 10 01:41:22.991355 snmpd[0] <<<  type : TimeTicks

Jun 10 01:41:22.991364 snmpd[0] <<<  value: (25424100) 70:37:21.00

Jun 10 01:41:22.991371 snmpd[0] <<<  

Jun 10 01:41:22.991386 snmpd[0] <<<  OID : snmpTrapOID.0

Jun 10 01:41:22.991394 snmpd[0] <<<  type : Object

Jun 10 01:41:22.991406 snmpd[0] <<<  value: jnxLdpLspDown

Jun 10 01:41:22.991413 snmpd[0] <<<  

Jun 10 01:41:22.991433 snmpd[0] <<<  OID : jnxLdpLspFec.0

Jun 10 01:41:22.991441 snmpd[0] <<<  type : IpAddress

Jun 10 01:41:22.991449 snmpd[0] <<<  value: xx.xx.xx.xx

Jun 10 01:41:22.991456 snmpd[0] <<<  

Jun 10 01:41:22.991465 snmpd[0] <<<  OID : jnxLdpRtrid.0

Jun 10 01:41:22.991473 snmpd[0] <<<  type : IpAddress

Jun 10 01:41:22.991481 snmpd[0] <<<  value: xx.xx.xx.xx

Jun 10 01:41:22.991488 snmpd[0] <<<  

Jun 10 01:41:22.991497 snmpd[0] <<<  OID : jnxLdpLspDownReason.0

Jun 10 01:41:22.991505 snmpd[0] <<<  type : Number

Jun 10 01:41:22.991513 snmpd[0] <<<  value: 1

Jun 10 01:41:22.991520 snmpd[0] <<<  

Jun 10 01:41:22.991529 snmpd[0] <<<  OID : jnxLdpLspFecLen.0

Jun 10 01:41:22.991536 snmpd[0] <<<  type : Number

Jun 10 01:41:22.991544 snmpd[0] <<<  value: 32

Jun 10 01:41:22.991551 snmpd[0] <<<  

Jun 10 01:41:22.991560 snmpd[0] <<<  OID : jnxLdpInstanceName.0

Jun 10 01:41:22.991568 snmpd[0] <<<  type : OctetString

Jun 10 01:41:22.991586 snmpd[0] <<<  HEX : 

Jun 10 01:41:22.991612 snmpd[0] <<<  

Jun 10 01:41:22.991642 snmpd[0] <<<  OID : snmpTrapEnterprise.0

Jun 10 01:41:22.991651 snmpd[0] <<<  type : Object

Jun 10 01:41:22.991663 snmpd[0] <<<  value: jnxProductNameMX480

Jun 10 01:41:22.991670 snmpd[0] <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

Modification History

2024-06-11 : Article Created