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Example: SNMPv3 Configuration

Define an SNMPv3 configuration:

[edit snmp]
engine-id {
use-fxp0-mac-address;
}
view jnxAlarms {
oid 1.3.6.1.4.1.2636.3.4 include;
}
view interfaces {
oid 1.3.6.1.2.1.2 include;
}
view ping-mib {
oid 1.3.6.1.2.1.80 include;
}
[edit snmp v3]
notify n1 {
tag router1; # Identifies a set of target addresses
type trap;# Defines type of notification
}
notify n2 {
tag host1;
type trap;
}
notify-filter nf1 {
oid .1 include; # Defines which traps to send
} # In this case, includes all traps
notify-filter nf2 {
oid 1.3.6.1.4.1 include; # Sends enterprise-specific traps only
}
notify-filter nf3 {
oid 1.3.6.1.2.1.1.5 include; # Sends BGP traps only
}
snmp-community index1 {
community-name "$9$JOZi.QF/AtOz3"; # SECRET-DATA
security-name john; # Matches the security name at the target parameters
tag host1; # Finds the addresses that are allowed to be used with
}
target-address ta1 {# Associates the target address with the group
             # san-francisco.
address 10.1.1.1;
address-mask 255.255.255.0; # Defines the range of addresses
port 162;
tag-list router1;
target-parameters tp1; # Applies configured target parameters
}
target-address ta2 {
address 10.1.1.2;
address-mask 255.255.255.0;
port 162;
tag-list host1;
target-parameters tp2;
}
target-address ta3 {
address 10.1.1.3;
address-mask 255.255.255.0;
port 162;
tag-list “router1 host1”;
target-parameters tp3;
}
target-parameters tp1 { # Defines the target parameters
notify-filter nf1; # Specifies which notify filter to apply
parameters {
message-processing-model v1;
security-model v1;
security-level none;
security-name john; # Matches the security name configured at the
} # [edit snmp v3 snmp-community community-index hierarchy level.
}
target-parameters tp2 {
notify-filter nf2;
parameters {
message-processing-model v1;
security-model v1;
security-level none;
security-name john;
}
}
target-parameters tp3 {
notify-filter nf3;
parameters {
message-processing-model v1;
security-model v1;
security-level none;
security-name john;
}
}
usm {
local-engine { #Defines authentication and encryption for SNMPv3 users
user user1 {
authentication-md5 {
authentication-password authentication-password;
}
privacy-des {
privacy-password privacy-password;
}
}
user user2 {
authentication-sha {
authentication-password authentication-password;
}
privacy-none;
}
user user3 {
authentication-none;
privacy-none;
}
user user4 {
authentication-sha {
authentication-password authentication-password;
}
privacy-aes128 {
privacy-password privacy-password;
}
}
user user5 {
authentication-sha {
authentication-password authentication-password;
}
privacy-none;
}
}
}
vacm {
access {
group san-francisco { #Defines the access privileges for the group
default-context-prefix { # called san-francisco
security-model v1 {
security-level none {
notify-view ping-mib;
read-view interfaces;
write-view jnxAlarms;
}
}
}
}
}
security-to-group {
security-model v1 {
security-name john { # Assigns john to the security group
group san-francisco; # called san-francisco
}
security-name bob {
group new-york;
}
security-name elizabeth {
group chicago;
}
}
}
}
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