Juniper | Junos-JCNA Day-2 (SNMP BACKUP)

NTP
Used to sycnronize the clock of device ont internet or server NTP.

edit system ntp
set system ntp server 162.159.200.123
set authentication-key 1 type md5 value ?
ser server pool.ntp.org
set server 

SNMP
SNMP enables the monitoring of network from central location.  Using 2 enity
i.e: SNMP agent and SNMP Management system

edit snmp
set name "JUNOS"
set contact "PT Apa Saja"
set community myjunos authorization read-only
set community myjunos clients 10.0.10.100
commit
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RESCUE CONFIGURASTION
root> show system alarms 

root> request system configuration rescue save

root> file lsit /config

--Test--
root> test configuration /config/rescue.conf.gz
Noted; seharunsya sukess..
Jika terjadi fail config or corrupt, mk lakuakn rollback rescue, dgn perintah beri

root> request system configuration rescue delete
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BACKUP JUNOS
#edit system archival
#set configuration transfer-interval 1440
or..
#set configuration transfer-on-commit
or
#set configuration archive-sites ftp://john@10.0.10.100  password "junos123"

VERIFIKASI:
> show log messages | match trasnfer

INTERFACE MONITORING
>show interface
>show interface terse 
>show interface ge-0/0/* terse 
>show interface *.0 terse 
>show interface detail
>show interface extensive  #(realtime traffic)
>monitor traffic message
>monitor interface traffic 
>monitor interface ge-0/0/0
----------------------------------------------------

NETWORK UTILITY 
>ping 8.8.8.8 count 3
>ping 8.8.8.8 count 10 rapid
>traceroute 8.8.8.8
>
----------------------------------------------------
SNAPSHOTS
>show log messages | last
>request system snapshot media usb
>show system snapshot media usb

..then
>request system reboot media usb
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Upgrade JUNOS
> sho version
..then copy pacage to /var/tmp dreictory
>file list /var/tmp
>file copy 

>file checksum md5 /var/tmp/ [filename.txt]
..then copy

>request system software add /var/tmp/ [filenma
>request system reboot

>show system storage
>request system strogae cleanup dry-run

...
>file delete /var/log/
>clear log messages
>clear log messages
>clear system interface
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ROOT PASSWORD RECOVERY
1. Console Junos Router
2. Saat dedang proses booting tekan SPASI
3. Akan muncuk tanda >
4. Ketik boot -s
5. lalu ketik password baru
6.> configure
#set system root-aturenctication plaint-text-password
New password:
Retype new password:

selesai 

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