Router – Monitor Vyatta router VPN through SNMP

Yes, this data is populated in the Firewall MIB

• .1.3.6.1.4.1.2636.3.5.2.1.5 contains your counters
• .1.3.6.1.4.1.2636.3.5.2.1.6 contains your filter names
• .1.3.6.1.4.1.2636.3.5.2.1.7 contains your counter names

show firewall filter RE-FILTER | match mgmt_ntp
mgmt_ntp 199728 2628

% snmpbulkwalk jnpr .1.3.6.1.4.1.2636.3.5.2.1.7|grep mgmt_ntp
.1.3.6.1.4.1.2636.3.5.2.1.7.9.82.69.45.70.73.76.84.69.82.8.109.103.109.116.95.110.116.112.2 = STRING: "mgmt_ntp"

% snmpbulkwalk jnpr .1.3.6.1.4.1.2636.3.5.2.1.5.9.82.69.45.70.73.76.84.69.82.8.109.103.109.116.95.110.116.112.2
.1.3.6.1.4.1.2636.3.5.2.1.5.9.82.69.45.70.73.76.84.69.82.8.109.103.109.116.95.110.116.112.2 = Counter64: 199728

More information on juniper.net

Unfortunately the DOM MIB does not seem to be supported on any of the EX 22/32/42/82xx switches. I've been bitten by this in the past.

The values are present on the device eg: show interfaces diagnostics optics xe-1/1/0, but not exported into the MIB tree.