SNMP Commands

taolius
Aug 4, 2017
2 min read

check port: netstat -tuanlp | grep 8162

router conf for snmpv3 (172.17.254.238)

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snmp-server group V3Group3 v3 priv match exact read V3Read write V3Write

snmp-server view V3Read iso included

snmp-server view V3Write iso included

snmp-server enable traps snmp linkdown linkup

snmp-server host 172.16.5.153 version 3 priv v3user3

snmp-server host 172.16.5.205 version 3 priv v3user3

snmp-server host 172.16.5.233 version 3 priv v3user3

router conf for snmpv2 (172.17.254.238)

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no snmp-server group V3Group3 v3 priv match exact read V3Read write V3Write

no snmp-server view V3Read iso included

no snmp-server view V3Write iso included

no snmp-server enable traps snmp linkdown linkup

no snmp-server host 172.16.5.153 version 3 priv v3user3

no snmp-server host 172.16.5.205 version 3 priv v3user3

no snmp-server host 172.16.5.233 version 3 priv v3user3

snmp-server enable traps snmp linkdown linkup

snmp-server host 172.16.5.233 community public

working snmptrap v2 (from 172.16.2.49)

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[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.3

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.4

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.3

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.4

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.1

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.2

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.5

[root@testdev ~]# snmptrap -v2c -c public 172.16.5.232 0 1.3.6.1.6.3.1.1.5.3

[root@testdev ~]#

working snmptrap v3 without auth (from 172.16.2.94)

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[root@bgl-testsvr2 snmp]# cat snmpd.conf

# please do not change config without asking sudhansu

createUser user1

rouser user1 noauth iso

[root@bgl-testsvr2 snmp]#

[root@bgl-testsvr2 snmp]# snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.232 0 1.3.6.1.6.3.1.1.5.1

[root@bgl-testsvr2 snmp]# snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.232 0 1.3.6.1.6.3.1.1.5.2

[root@bgl-testsvr2 snmp]# snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.232 0 1.3.6.1.6.3.1.1.5.3

[root@bgl-testsvr2 snmp]# snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.232 0 1.3.6.1.6.3.1.1.5.4

[root@bgl-testsvr2 snmp]# snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.232 0 1.3.6.1.6.3.1.1.5.5

[root@bgl-testsvr2 snmp]# snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.232 0 1.3.6.1.6.3.1.1.5.3

working snmptrap v3 with auth (from 172.16.2.95)

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[root@bgl-testsvr3 snmp]# cat snmpd.conf

createUser user2 MD5 user2password

rouser user2 auth iso

[root@bgl-testsvr3 snmp]#

[root@bgl-testsvr3 ~]# snmptrap -v 3 -n "" -e 0x8000000001020304 -u user3 -l authPriv -a MD5 -A user3password -x DES -X user3encryption 172.16.5.232 0 1.3.6.1.6.3.1.1.5.1

[root@bgl-testsvr3 ~]# snmptrap -v 3 -n "" -e 0x8000000001020304 -u user3 -l authPriv -a MD5 -A user3password -x DES -X user3encryption 172.16.5.232 0 1.3.6.1.6.3.1.1.5.2

[root@bgl-testsvr3 ~]# snmptrap -v 3 -n "" -e 0x8000000001020304 -u user3 -l authPriv -a MD5 -A user3password -x DES -X user3encryption 172.16.5.232 0 1.3.6.1.6.3.1.1.5.3

[root@bgl-testsvr3 ~]# snmptrap -v 3 -n "" -e 0x8000000001020304 -u user3 -l authPriv -a MD5 -A user3password -x DES -X user3encryption 172.16.5.232 0 1.3.6.1.6.3.1.1.5.4

[root@bgl-testsvr3 ~]# snmptrap -v 3 -n "" -e 0x8000000001020304 -u user3 -l authPriv -a MD5 -A user3password -x DES -X user3encryption 172.16.5.232 0 1.3.6.1.6.3.1.1.5.5

[root@bgl-testsvr3 ~]#

[root@bgl-testsvr3 ~]# snmptrap -v 3 -n "" -e 0x8000000001020304 -u user3 -l authPriv -a MD5 -A user3password -x DES -X user3encryption 172.16.5.232 0 1.3.6.1.6.3.1.1.5.4

===========

//snmp v3 , no auth linkdown snmptrap -v 3 -n "" -u user1 -l noAuthNoPriv 172.16.5.204 0 linkDown.0 // v3 with pass snmptrap -v 3 -n "" -u user2 -a MD5 -A user2password -l authNoPriv 172.16.5.152 0 1.3.6.1.6.3.1.1.5.4 // snmptrap -v 2c -c public 172.16.5.204 0 1.3.6.1.6.3.1.1.5.5