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스위치 로그 수집을 위해 SNMPv3을 구성합니다

기여자
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스위치 로그 수집 및 스위치 상태 모니터링(SHM)을 지원하는 SNMPv3을 구성하려면 다음 절차를 따르십시오.

이 작업에 대해

다음 명령은 NVIDIA SN2100 스위치에서 SNMPv3 사용자 이름을 구성합니다.

  • 인증 없음 *:'net add snmp-server username_snmpv3_user_auth-none'입니다

  • MD5/SHA 인증의 경우 *:'net add snmp-server username_SNMPv3_user_[auth-MD5|auth-sha]AUTH-password'

  • AES/DES 암호화를 사용한 * MD5/SHA 인증의 경우 *:'net add snmp-server username_SNMPv3_user_[auth-MD5|auth-sha]AUTH-password[encrypt-aes|encrypt-des]PRIV-password'

다음 명령은 ONTAP 측에서 SNMPv3 사용자 이름을 구성합니다. ' cluster1: * > security login create -user -or -group -name_SNMPv3_user_ -application snmp-authentication-method USM -remote-switch-ipaddress_address _'

다음 명령은 SHM을 사용하여 SNMPv3 사용자 이름을 설정합니다. 'cluster1

* > 시스템 스위치 이더넷 수정 -device_device_-snmp-version SNMPv3-community-or-username_SNMPv3_user_'

단계

  1. 인증 및 암호화를 사용하도록 스위치에서 SNMPv3 사용자를 설정합니다.

    net show snmp status

    예제 보기 
    cumulus@sw1:~$ net show snmp status
Simple Network Management Protocol (SNMP) Daemon.
---------------------------------  ----------------
Current Status                     active (running)
Reload Status                      enabled
Listening IP Addresses             all vrf mgmt
Main snmpd PID                     4318
Version 1 and 2c Community String  Configured
Version 3 Usernames                Not Configured
---------------------------------  ----------------
cumulus@sw1:~$
cumulus@sw1:~$ net add snmp-server username SNMPv3User auth-md5 <password> encrypt-aes <password>
cumulus@sw1:~$ net commit
--- /etc/snmp/snmpd.conf        2020-08-02 21:09:34.686949282 +0000
+++ /run/nclu/snmp/snmpd.conf   2020-08-11 00:13:51.826126655 +0000
@@ -1,26 +1,28 @@
 # Auto-generated config file: do not edit. #
 agentaddress udp:@mgmt:161
 agentxperms 777 777 snmp snmp
 agentxsocket /var/agentx/master
 createuser _snmptrapusernameX
+createuser SNMPv3User MD5 <password> AES <password>
 ifmib_max_num_ifaces 500
 iquerysecname _snmptrapusernameX
 master agentx
 monitor -r 60 -o laNames -o laErrMessage "laTable" laErrorFlag != 0
 pass -p 10 1.3.6.1.2.1.1.1 /usr/share/snmp/sysDescr_pass.py
 pass_persist 1.2.840.10006.300.43 /usr/share/snmp/ieee8023_lag_pp.py
 pass_persist 1.3.6.1.2.1.17 /usr/share/snmp/bridge_pp.py
 pass_persist 1.3.6.1.2.1.31.1.1.1.18 /usr/share/snmp/snmpifAlias_pp.py
 pass_persist 1.3.6.1.2.1.47 /usr/share/snmp/entity_pp.py
 pass_persist 1.3.6.1.2.1.99 /usr/share/snmp/entity_sensor_pp.py
 pass_persist 1.3.6.1.4.1.40310.1 /usr/share/snmp/resq_pp.py
 pass_persist 1.3.6.1.4.1.40310.2 /usr/share/snmp/cl_drop_cntrs_pp.py
 pass_persist 1.3.6.1.4.1.40310.3 /usr/share/snmp/cl_poe_pp.py
 pass_persist 1.3.6.1.4.1.40310.4 /usr/share/snmp/bgpun_pp.py
 pass_persist 1.3.6.1.4.1.40310.5 /usr/share/snmp/cumulus-status.py
 pass_persist 1.3.6.1.4.1.40310.6 /usr/share/snmp/cumulus-sensor.py
 pass_persist 1.3.6.1.4.1.40310.7 /usr/share/snmp/vrf_bgpun_pp.py
+rocommunity cshm1! default
 rouser _snmptrapusernameX
+rouser SNMPv3User priv
 sysobjectid 1.3.6.1.4.1.40310
 sysservices 72
-rocommunity cshm1! default


net add/del commands since the last "net commit"
================================================

User        Timestamp                   Command
----------  --------------------------  -----------------------------------------------------------------------------
SNMPv3User  2020-08-11 00:13:51.826987  net add snmp-server username SNMPv3User auth-md5 <password> encrypt-aes <password>

cumulus@sw1:~$
cumulus@sw1:~$ net show snmp status
Simple Network Management Protocol (SNMP) Daemon.
---------------------------------  ----------------
Current Status                     active (running)
Reload Status                      enabled
Listening IP Addresses             all vrf mgmt
Main snmpd PID                     24253
Version 1 and 2c Community String  Configured
Version 3 Usernames                Configured     <---- Configured here
---------------------------------  ----------------
cumulus@sw1:~$

  2. ONTAP 측에서 SNMPv3 사용자를 설정합니다.

    security login create -user-or-group-name SNMPv3User -application snmp -authentication-method usm -remote-switch-ipaddress 10.231.80.212

    예제 보기 
    cluster1::*> security login create -user-or-group-name SNMPv3User -application snmp -authentication-method usm -remote-switch-ipaddress 10.231.80.212

Enter the authoritative entity's EngineID [remote EngineID]:

Which authentication protocol do you want to choose (none, md5, sha, sha2-256)
[none]: md5

Enter the authentication protocol password (minimum 8 characters long):

Enter the authentication protocol password again:

Which privacy protocol do you want to choose (none, des, aes128) [none]: aes128

Enter privacy protocol password (minimum 8 characters long):
Enter privacy protocol password again:

  3. 새 SNMPv3 사용자를 모니터링하도록 SHM 구성:

    system switch ethernet show-all -device "sw1 (b8:59:9f:09:7c:22)" -instance

    예제 보기 
    cluster1::*> system switch ethernet show-all -device "sw1 (b8:59:9f:09:7c:22)" -instance
                                   Device Name: sw1 (b8:59:9f:09:7c:22)
                                    IP Address: 10.231.80.212
                                  SNMP Version: SNMPv2c
                                 Is Discovered: true
DEPRECATED-Community String or SNMPv3 Username: -
           Community String or SNMPv3 Username: cshm1!
                                  Model Number: MSN2100-CB2FC
                                Switch Network: cluster-network
                              Software Version: Cumulus Linux version 4.4.3 running on Mellanox Technologies Ltd. MSN2100
                     Reason For Not Monitoring: None
                      Source Of Switch Version: LLDP
                                Is Monitored ?: true
                   Serial Number of the Device: MT2110X06399  <---- serial number to check
                                   RCF Version: MSN2100-RCF-v1.9X6-Cluster-LLDP Aug-18-2022

cluster1::*>
cluster1::*> system switch ethernet modify -device "sw1 (b8:59:9f:09:7c:22)" -snmp-version SNMPv3 -community-or-username SNMPv3User

  4. 새로 생성된 SNMPv3 사용자에게 쿼리할 일련 번호가 SHM 폴링 기간이 완료된 후 이전 단계에서 자세히 설명한 번호와 동일한지 확인합니다.

    system switch ethernet polling-interval show

    예제 보기 
    cluster1::*> system switch ethernet polling-interval show
         Polling Interval (in minutes): 5

cluster1::*> system switch ethernet show-all -device "sw1 (b8:59:9f:09:7c:22)" -instance
                                   Device Name: sw1 (b8:59:9f:09:7c:22)
                                    IP Address: 10.231.80.212
                                  SNMP Version: SNMPv3
                                 Is Discovered: true
DEPRECATED-Community String or SNMPv3 Username: -
           Community String or SNMPv3 Username: SNMPv3User
                                  Model Number: MSN2100-CB2FC
                                Switch Network: cluster-network
                              Software Version: Cumulus Linux version 4.4.3 running on Mellanox Technologies Ltd. MSN2100
                     Reason For Not Monitoring: None
                      Source Of Switch Version: LLDP
                                Is Monitored ?: true
                   Serial Number of the Device: MT2110X06399  <---- serial number to check
                                   RCF Version: MSN2100-RCF-v1.9X6-Cluster-LLDP Aug-18-2022