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[Linux] MRTG (Multi Router Traffic Grapher) ¼³Ä¡ ¹× ±¸¼º
Date : 2022-03-11
Name : ¼­¹ö¸ó
Hits : 3040

 

¾È³çÇϼ¼¿ä. ÁÖ½Äȸ»ç ¼­¹ö¸ó ÀÔ´Ï´Ù.

¿À´ÃÀº MRTG(Multi Router Traffic Grapher)¸¦ »ç¿ëÇÏ¿© ¼­¹ö¸¦ ¸ð´ÏÅ͸µ ÇÏ´Â ¹æ¹ý¿¡ ´ëÇØ ¾Ë¾Æº¸µµ·Ï ÇÏ°Ú½À´Ï´Ù.

 

MRTG ¶õ?

Multi Router Traffic Grapher (MRTG)´Â Network link »óÀÇ Traffic load ¸¦ ÃøÁ¤Çϴ µµ±¸·Î¼­,
SNMP (Simple Network Management Protocol)À» ÀÌ¿ëÇÏ¿© ¶ó¿ìÅͳª ½ºÀ§Ä¡ µîÀ¸·ÎºÎÅÍ Æ®·¡ÇÈ
Á¤º¸¸¦ ¼öÁýÇÏ¿© À¥¿¡¼­ Æ®·¡ÇÈ »óȲÀ» ½Ç½Ã°£ÀûÀ¸·Î º¸¿© ÁÖ¸ç

¶ó¿ìÅÍÀÇ ÀÎÅÍÆäÀ̽º¸¦ ÅëÇØ ¿À°í °£ Æ®·¡ÇÈ »óȲÀ» ³ªÅ¸³»´Â ±×·¡ÇÁ À̹ÌÁö¸¦ Æ÷ÇÔÇÏ´Â MRTG HTML ÆäÀÌÁö¸¦ »ý¼ºÇØ ÁØ´Ù

 

 

 SNMP ¶õ?

Simple Network Management Protocol (SNMP)´Â Network device »çÀÌ¿¡ Management  information ÀÇ ±³È¯À» 
°¡´ÉÇÏ°Ô Çϴ Application layer protocol ÀÌ´Ù ³×Æ®¿öÅ© °ü¸®ÀÚ°¡ Network performance ¸¦ °ü¸®ÇÒ ¼ö ÀÖ°Ô ÇÏ°í
 Network proble À» ã¾Æ ÇØ°áÇÒ ¼ö ÀÖ°Ô µµ¿ÍÁØ´Ù. ¶ÇÇÑ Network growth (¸Á Áõ¼³)¿¡ ´ëÇÑ °èȹ ¼ö¸³¿¡ ÀڷḦ Á¦°øÇÑ´Ù. SNMP ´Â ÇöÀç SNMPv1, SNMPv2, ±×¸®°í SNMPv3 ±îÁö ¼¼ °¡Áö ¹öÀüÀÌ ±¸ÇöµÇ¾î ÀÖ´Ù.

ÀÚ¼¼ÇÑ Á¤ÀÇ

 

MRTG ¼³Ä¡

½Ç½À ȯ°æÀº Centos7 ¿¡¼­ ÁøÇà Çϵµ·Ï ÇÕ´Ï´Ù.

 

1. SNMP ±¸¼º

# ¼³Ä¡¸¦ À§ÇÑ ÀÇÁ¸¼º ÆÐÅ°Áö ¼³Ä¡
yum -y install net-snmp net-snmp-utils mrtg httpd

#SNMP ¼³Á¤
vim /etc/snmp/snmpd.conf

# 41¹ø ¶óÀÎ: ÁÖ¼®Ã³¸®
#com2sec notConfigUser  default       public

# 74,75¹ø ¶óÀÎ ÁÖ¼®ÇØÁ¦
# localnetwork, mynetwork source community ¸¦ ¼öÁ¤ÇÕ´Ï´Ù.
com2sec local     localhost       servermon
com2sec mynetwork 192.168.1.0/24      servermon


# 78,79¹ø ¶óÀÎ ÁÖ¼®ÇØÁ¦ ¹× ¼öÁ¤
group MyRWGroup  v2c        local
group MyROGroup  v2c        mynetwork

# 85 ¹ø ¶óÀÎ ÁÖ¼®ÇØÁ¦ 
view all    included  .1                               80

# 93,94 ¹ø ¶óÀÎ ÁÖ¼® ÇØÁ¦ ¹× ¼öÁ¤
access MyROGroup ""      v2c       noauth    exact      all    none   none
access MyRWGroup ""      v2c       noauth    exact      all    all    all

# snmp ¼­ºñ½º ½ÃÀÛ
systemctl start snmpd
systemctl enable snmpd

# snmp ¼­ºñ½º Á¤»ó ¿©ºÎ È®ÀÎ
snmpwalk -v2c -c servermon localhost system
SNMPv2-MIB::sysDescr.0 = STRING: Linux localhost.localdomain 3.10.0-1160.59.1.el7.x86_64 #1 SMP Wed Feb 23 16:47:03 UTC 2022 x86_64
SNMPv2-MIB::sysObjectID.0 = OID: NET-SNMP-MIB::netSnmpAgentOIDs.10
DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (137514) 0:22:55.14
SNMPv2-MIB::sysContact.0 = STRING: Root <root@localhost> (configure /etc/snmp/snmp.local.conf)
SNMPv2-MIB::sysName.0 = STRING: localhost.localdomain
SNMPv2-MIB::sysLocation.0 = STRING: Unknown (edit /etc/snmp/snmpd.conf)
SNMPv2-MIB::sysORLastChange.0 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORID.1 = OID: SNMP-MPD-MIB::snmpMPDCompliance
SNMPv2-MIB::sysORID.2 = OID: SNMP-USER-BASED-SM-MIB::usmMIBCompliance
SNMPv2-MIB::sysORID.3 = OID: SNMP-FRAMEWORK-MIB::snmpFrameworkMIBCompliance
SNMPv2-MIB::sysORID.4 = OID: SNMPv2-MIB::snmpMIB
SNMPv2-MIB::sysORID.5 = OID: TCP-MIB::tcpMIB
SNMPv2-MIB::sysORID.6 = OID: IP-MIB::ip
SNMPv2-MIB::sysORID.7 = OID: UDP-MIB::udpMIB
SNMPv2-MIB::sysORID.8 = OID: SNMP-VIEW-BASED-ACM-MIB::vacmBasicGroup
SNMPv2-MIB::sysORID.9 = OID: SNMP-NOTIFICATION-MIB::snmpNotifyFullCompliance
SNMPv2-MIB::sysORID.10 = OID: NOTIFICATION-LOG-MIB::notificationLogMIB
SNMPv2-MIB::sysORDescr.1 = STRING: The MIB for Message Processing and Dispatching.
SNMPv2-MIB::sysORDescr.2 = STRING: The management information definitions for the SNMP User-based Security Model.
SNMPv2-MIB::sysORDescr.3 = STRING: The SNMP Management Architecture MIB.
SNMPv2-MIB::sysORDescr.4 = STRING: The MIB module for SNMPv2 entities
SNMPv2-MIB::sysORDescr.5 = STRING: The MIB module for managing TCP implementations
SNMPv2-MIB::sysORDescr.6 = STRING: The MIB module for managing IP and ICMP implementations
SNMPv2-MIB::sysORDescr.7 = STRING: The MIB module for managing UDP implementations
SNMPv2-MIB::sysORDescr.8 = STRING: View-based Access Control Model for SNMP.
SNMPv2-MIB::sysORDescr.9 = STRING: The MIB modules for managing SNMP Notification, plus filtering.
SNMPv2-MIB::sysORDescr.10 = STRING: The MIB module for logging SNMP Notifications.
SNMPv2-MIB::sysORUpTime.1 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.2 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.3 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.4 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.5 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.6 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.7 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.8 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.9 = Timeticks: (183) 0:00:01.83
SNMPv2-MIB::sysORUpTime.10 = Timeticks: (183) 0:00:01.83

À§¿Í °°ÀÌ ¼³Á¤°ªÀÌ ¸¸µé¾îÁø´Ù¸é ¼º°ø

 

2. MRTG ±¸¼º

# MRTG ¼³Á¤ÆÄÀÏ »ý¼º
# snmp ¿¡¼­ ¼³Á¤ÇÑ community °ª°ú ¼­¹öÀÇIP ¸¦ ±âÀÔÇÏ¿© »ý¼º Çϵµ·Ï ÇÕ´Ï´Ù.
cfgmaker --snmp-options=:::::2 --ifref=descr --ifdesc=descr servermon@192.168.1.240 > /etc/mrtg/mrtg.cfg

# MRTG ¼³Á¤À» ¼öÁ¤ÇÕ´Ï´Ù.
vim /etc/mrtg/mrtg.cfg

# 8¹ø ¶óÀÎ Ãß°¡
WorkDir: /var/www/mrtg

# 16¹ø ¶óÀÎ ÁÖ¼® Á¦°Å ÈÄ ÀúÀå
Options[_]: growright, bits

# MRTG °á°ú¸¦ »ý¼ºÇÕ´Ï´Ù.
[root@localhost ~]# for (( i=1 ; i <= 3 ; i++ )); do env LANG=C mrtg /etc/mrtg/mrtg.cfg; done

# Index ÆÄÀÏÀ» »ý¼ºÇÕ´Ï´Ù.
[root@localhost ~]# indexmaker --columns=1 /etc/mrtg/mrtg.cfg > /var/www/mrtg/index.html

# Cron¿¡ Ãß°¡ÇÏ¿© MRTG °¡ ÁÖ±âÀûÀ¸·Î Á¤º¸ ¼öÁýÇϵµ·Ï ¼³Á¤ÇÕ´Ï´Ù.
[root@dlocalhost ~]# vi /etc/cron.d/mrtg
*/5 * * * * root LANG=C LC_ALL=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg --lock-file /var/lock/mrtg/mrtg_l --confcache-file /var/lib/mrtg/mrtg.ok

 

3. Apache Á¢±Ù °¡´É ¼³Á¤

[root@localhost snmp]# vim /etc/httpd/conf.d/mrtg.conf

# 10 ¹ø ¶óÀÎ ÁÖ¼® ÇØÁ¦ÈÄ Ãß°¡ÀúÀå

    Require local
    Require ip 192.168.0.0/16
    
# À¥ ¼­ºñ½º Àç½ÃÀÛ
[root@localhost snmp]# systemctl start httpd

 

4. ¼­ºñ½º Á¤»ó¿©ºÎ È®ÀÎ

 

À¥ ºê¶ó¿ìÀú¸¦ ÅëÇØ "¼­ºñ½ºIP/mrtg" ·Î Á¢¼ÓÇÏ¿© Á¤»ó ¿©ºÎ¸¦ ÆÄ¾Ç ÇÕ´Ï´Ù.

¾Æ·¡ »çÁø°ú °°ÀÌ ±×·¡ÇÁ°¡ ±×·ÁÁö¸ç Network ºÎÇÏÀ²ÀÌ Ç¥±â°¡ µÈ´Ù¸é Á¤»óÀûÀÎ ¼³Ä¡°¡ ¿Ï·á µÈ °ÍÀÔ´Ï´Ù.

 

ÀÌ»óÀÔ´Ï´Ù.

 

 

HPE, ·¹³ë¹ö, µ¨ ¼­¹ö, ¿öÅ©½ºÅ×À̼Ç, ±â¾÷¿ë ³ëÆ®ºÏ µî IT Á¦Ç°Àº ¼­¹ö¸ó¿¡¼­ °ßÀû¹Þ¾Æº¸¼¼¿ä~

Á¦Ç°¿¡ ´ëÇÑ »ó´ãÀ» Èñ¸ÁÇϽøé, 02-2026-5062 or sales@servermon.co.kr·Î ¹®ÀÇ ÁÖ¼¼¿ä.

¼­¹ö¸ó¿¡¼­ ¿î¿µÇÏ´Â IT ¼îÇθôÀ» ±¸°æÇϽ÷Á¸é, ÇÏ´ÜÀÇ ·Î°í¸¦ Ŭ¸¯ÇØÁÖ¼¼¿ä.

 

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Content
Name
Date
Hits
2022-03-11
3040

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