Juniper SRX 各種確認コマンドまとめ

コンフィグ

Active コンフィグの表示
- > show configuration | no-more
- > show configuration | display set | no-more
Candidate コンフィグの表示
- # show | no-more
- # show | display set | no-more
設定変更差分の表示
- # show | compare

システム関連

型番・バージョン確認

show version

root@SRX> show version
Hostname: SRX
Model: srx100h2
JUNOS Software Release [12.1X44-D45.2]

show system firmware

root@SRX> show system firmware
Part             Type           Tag Current   Available Status
                                    version   version
Routing Engine 0 RE BIOS        0   2.7       2.7       OK
Routing Engine 0 RE BIOS Backup 1   2.7       2.7       OK

ライセンス確認

show system license

root@SRX> show system license
License usage:
                                 Licenses     Licenses    Licenses    Expiry
  Feature name                       used    installed      needed
  dynamic-vpn                           0            2           0    permanent
  ax411-wlan-ap                         0            2           0    permanent

Licenses installed: none

メモリ使用状況

show system memory

root@SRX> show system memory
System memory usage distribution:
       Total memory: 2097152 Kbytes (100%)
    Reserved memory: 1027836 Kbytes ( 49%)
       Wired memory: 1024560 Kbytes ( 48%)
      Active memory:  155484 Kbytes (  7%)
    Inactive memory:   91940 Kbytes (  4%)
       Cache memory:  151876 Kbytes (  7%)
        Free memory:  595376 Kbytes ( 28%)
Memory disk resident memory:   24396 Kbytes
VM-Kbytes(  %  ) Resident(  %  ) Map-name
   472676(45.07)   115668(00.00) kernel
Pid     VM-Kbytes(  %  ) Resident(  %  ) Process-name
   1735      5764(01.09)     1284(00.00) /sbin/pmap
   1450    278816(53.17)    21084(00.00) mgd: (mgd) (root)/dev/ttyu0
   1449     49228(02.34)    16444(00.00) cli
...

メモリ・CPU 使用率、シリアル No. 等

show chassis routing-engine

root@SRX> show chassis routing-engine
Routing Engine status:
    Temperature                 49 degrees C / 120 degrees F
    Total memory              2048 MB Max   901 MB used ( 44 percent)
      Control plane memory    1104 MB Max   375 MB used ( 34 percent)
      Data plane memory        944 MB Max   529 MB used ( 56 percent)
    CPU utilization:
      User                       2 percent
      Background                 0 percent
      Kernel                     7 percent
      Interrupt                  0 percent
      Idle                      91 percent
    Model                          RE-SRX100H2
    Serial ID                      BZ3615XXXXXXX
    Start time                     2022-03-26 11:31:16 JST
    Uptime                         6 hours, 6 minutes, 30 seconds
    Last reboot reason             0x1:power cycle/failure
    Load averages:                 1 minute   5 minute  15 minute
                                       0.05       0.01       0.00

NTP サーバ同期状態確認

show ntp associations

root@SRX> show ntp associations
     remote           refid      st t when poll reach   delay   offset  jitter
==============================================================================
*10.1.10.1       208.91.114.23    3 -   36   64    1    3.604   26.089   0.786
+ntp-a3.nict.go. .NICT.           1 -   35   64    1   53.004   41.941   5.566

show ntp status

root@SRX> show ntp status
status=0694 leap_none, sync_ntp, 9 events, event_peer/strat_chg,
version="ntpd 4.2.0-a Mon Jan 12 15:40:54 UTC 2015 (1)",
processor="octeon", system="JUNOS12.1X44-D45.2", leap=00, stratum=4,
precision=-17, rootdelay=193.575, rootdispersion=1.890, peer=10892,
refid=10.1.10.1,
reftime=e3780cb0.73131618  Mon, Dec  7 2020 11:06:40.449, poll=6,
clock=e3780cd9.5fb657eb  Mon, Dec  7 2020 11:07:21.373, state=3,
offset=0.000, frequency=0.000, jitter=0.748, stability=0.000

現在時刻確認

show system uptime

root@SRX> show system uptime
Current time: 2020-12-07 11:10:30 JST
System booted: 2020-12-07 08:20:04 JST (02:50:26 ago)
Protocols started: 2020-12-07 08:23:04 JST (02:47:26 ago)
Last configured: 2020-12-07 11:05:11 JST (00:05:19 ago) by root
11:10AM  up 2:50, 1 user, load averages: 0.10, 0.12, 0.05

ハードウェア関連

温度・電源状態

show chassis environment

root@SRX> show chassis environment
Class Item                           Status     Measurement
Temp  Routing Engine                 OK         49 degrees C / 120 degrees F
      Routing Engine CPU             Absent
Power Power Supply 0                 OK

ハードウェア情報

show chassis hardware detail

root@SRX> show chassis hardware detail
Hardware inventory:
Item             Version  Part number  Serial number     Description
Chassis                                BZ3615XXXXXX      SRX100H2
Routing Engine   REV 05   650-048781   BZ3615XXXXXX      RE-SRX100H2
  da0    1992 MB  ST72682                                Nand Flash
  usb0 (addr 1)  DWC OTG root hub 0    vendor 0x0000     uhub0
  usb0 (addr 2)  product 0x005a 90     vendor 0x0409     uhub1
  usb0 (addr 3)  ST72682  High Speed Mode 64218 STMicroelectronics umass0
FPC 0                                                    FPC
  PIC 0                                                  8x FE Base PIC
Power Supply 0

インターフェース関連

show interfaces terse
- 物理/論理 IF 一覧の表示

root@SRX> show interfaces terse
Interface               Admin Link Proto    Local                 Remote
fe-0/0/0                up    up
fe-0/0/0.0              up    up   inet     10.1.10.8/24
gr-0/0/0                up    up
ip-0/0/0                up    up
lt-0/0/0                up    up
mt-0/0/0                up    up
sp-0/0/0                up    up
sp-0/0/0.0              up    up   inet
sp-0/0/0.16383          up    up   inet     10.0.0.1            --> 10.0.0.16
                                            10.0.0.6            --> 0/0
                                            128.0.0.1           --> 128.0.1.16
                                            128.0.0.6           --> 0/0
fe-0/0/1                up    down
fe-0/0/1.0              up    down eth-switch
fe-0/0/2                up    down
fe-0/0/2.0              up    down eth-switch
fe-0/0/3                up    down
fe-0/0/3.0              up    down eth-switch
fe-0/0/4                up    down
fe-0/0/4.0              up    down eth-switch
fe-0/0/5                up    down
fe-0/0/5.0              up    down eth-switch
fe-0/0/6                up    down
fe-0/0/6.0              up    down eth-switch
fe-0/0/7                up    down
fe-0/0/7.0              up    down inet     10.20.30.10/24
gre                     up    up
ipip                    up    up
irb                     up    up
lo0                     up    up
lo0.16384               up    up   inet     127.0.0.1           --> 0/0
lo0.16385               up    up   inet     10.0.0.1            --> 0/0
                                            10.0.0.16           --> 0/0
                                            128.0.0.1           --> 0/0
                                            128.0.0.4           --> 0/0
                                            128.0.1.16          --> 0/0
lo0.32768               up    up
lsi                     up    up
mtun                    up    up
pimd                    up    up
pime                    up    up
pp0                     up    up
ppd0                    up    up
ppe0                    up    up
st0                     up    up
tap                     up    up
vlan                    up    up
vlan.0                  up    down inet     192.168.1.1/24

show interfaces
- IF 情報を表示

root@SRX> show interfaces fe-0/0/0
Physical interface: fe-0/0/0, Enabled, Physical link is Up
  Interface index: 134, SNMP ifIndex: 508
  Link-level type: Ethernet, MTU: 1514, Link-mode: Full-duplex, Speed: 100mbps,
  BPDU Error: None, MAC-REWRITE Error: None, Loopback: Disabled,
  Source filtering: Disabled, Flow control: Enabled
  Device flags   : Present Running
  Interface flags: SNMP-Traps Internal: 0x0
  CoS queues     : 8 supported, 8 maximum usable queues
  Current address: 88:a2:5e:0c:33:40, Hardware address: 88:a2:5e:0c:33:40
  Last flapped   : 2020-12-07 10:44:51 JST (03:03:18 ago)
  Input rate     : 0 bps (0 pps)
  Output rate    : 0 bps (0 pps)
  Active alarms  : None
  Active defects : None
  Interface transmit statistics: Disabled

  Logical interface fe-0/0/0.0 (Index 70) (SNMP ifIndex 511)
    Flags: SNMP-Traps 0x0 Encapsulation: ENET2
    Input packets : 3119
    Output packets: 639
    Security: Zone: untrust
    Allowed host-inbound traffic : dhcp tftp
    Protocol inet, MTU: 1500
      Flags: Sendbcast-pkt-to-re
      Addresses, Flags: Is-Preferred Is-Primary
        Destination: 10.1.10/24, Local: 10.1.10.8, Broadcast: 10.1.10.255

show interfaces brief
- IF 情報を簡易表示

root@SRX> show interfaces brief fe-0/0/0
Physical interface: fe-0/0/0, Enabled, Physical link is Up
  Link-level type: Ethernet, MTU: 1514, Speed: 100mbps, Loopback: Disabled,
  Source filtering: Disabled, Flow control: Enabled
  Device flags   : Present Running
  Interface flags: SNMP-Traps Internal: 0x0

  Logical interface fe-0/0/0.0
    Flags: SNMP-Traps 0x0 Encapsulation: ENET2
    Security: Zone: untrust
    Allowed host-inbound traffic : dhcp tftp
    inet  10.1.10.8/24

show interfaces detail
- IF 詳細情報を表示

VLAN

root@SRX> show vlans ?
Possible completions:
  <[Enter]>            Execute this command
            Show information for a particular VLAN
  brief                Display brief output
  default
  detail               Display detailed output
  extensive            Display extensive output
  sort-by              Specify display order
  summary              Display summary output
  |                    Pipe through a command

ログ表示

show log <ログファイル名>
- show log messages

root@SRX> show log messages
Dec  6 23:45:00  newsyslog[1476]: logfile turned over due to size>100K
Dec  7 00:29:13  SRX sshd[2080]: error: Could not load host key: /etc/ssh/ssh_host_ecdsa_key
Dec  7 00:29:18  SRX sshd[2080]: Accepted password for root from 192.168.1.2 port 51048 ssh2
Dec  7 00:29:22  SRX sshd[2080]: Received disconnect from 192.168.1.2: 11: disconnected by server request
Dec  7 00:38:22  SRX sshd[2383]: error: Could not load host key: /etc/ssh/ssh_host_ecdsa_key
Dec  7 00:38:26  SRX sshd: SSHD_LOGIN_FAILED: Login failed for user 'root' from host '192.168.1.2'
...

セッションテーブル表示

show security flow session

NAT されたセッション

show security flow session nat

root@SRX> show security flow session nat
Session ID: 9560, Policy name: trust-to-untrust/4, Timeout: 2, Valid
  In: 192.168.1.2/7625 --> 192.168.1.200/1;icmp, If: fe-0/0/7.0, Pkts: 1, Bytes: 60
  Out: 10.1.10.1/1 --> 10.1.10.10/2630;icmp, If: fe-0/0/0.0, Pkts: 1, Bytes: 60

Session ID: 9561, Policy name: trust-to-untrust/4, Timeout: 4, Valid
  In: 192.168.1.2/7626 --> 192.168.1.200/1;icmp, If: fe-0/0/7.0, Pkts: 1, Bytes: 60
  Out: 10.1.10.1/1 --> 10.1.10.10/25871;icmp, If: fe-0/0/0.0, Pkts: 1, Bytes: 60

Session ID: 9562, Policy name: trust-to-untrust/4, Timeout: 4, Valid
  In: 192.168.1.2/7628 --> 192.168.1.200/1;icmp, If: fe-0/0/7.0, Pkts: 1, Bytes: 60
  Out: 10.1.10.1/1 --> 10.1.10.10/32214;icmp, If: fe-0/0/0.0, Pkts: 1, Bytes: 60
Total sessions: 3

ルーティング

ルーティングテーブル

show route
- ルート情報の表示

root@SRX> show route

inet.0: 6 destinations, 7 routes (6 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both

0.0.0.0/0          *[Static/5] 00:00:54
                    > to 10.1.10.1 via fe-0/0/0.0
                    [Access-internal/12] 08:13:52
                    > to 10.1.10.6 via fe-0/0/0.0
10.1.10.0/24       *[Direct/0] 08:13:52
                    > via fe-0/0/0.0
10.1.10.8/32       *[Local/0] 08:13:52
                      Local via fe-0/0/0.0
10.1.20.0/24       *[Static/5] 00:00:06
                    > to 10.1.10.1 via fe-0/0/0.0
192.168.1.0/24     *[Direct/0] 08:16:00
                    > via fe-0/0/7.0
192.168.1.99/32    *[Local/0] 08:16:10
                      Local via fe-0/0/7.0

show route detail
- ルートの詳細情報の表示

root@SRX> show route detail

inet.0: 6 destinations, 7 routes (6 active, 0 holddown, 0 hidden)
0.0.0.0/0 (2 entries, 1 announced)
        *Static Preference: 5
                Next hop type: Router, Next hop index: 559
                Address: 0x15c0438
                Next-hop reference count: 7
                Next hop: 10.1.10.1 via fe-0/0/0.0, selected
                State: <Active Int Ext>
                Age: 11:40
                Task: RT
                Announcement bits (2): 0-KRT 1-Resolve tree 1
                AS path: I
         Access-internal Preference: 12
                Next hop type: Router, Next hop index: 558
                Address: 0x15c03ec
                Next-hop reference count: 1
                Next hop: 10.1.10.6 via fe-0/0/0.0, selected
                State: <Int>
                Inactive reason: Route Preference
                Age: 8:24:38
                Task: RPD Unix Domain Server./var/run/rpd_serv.local
                AS path: I

10.1.10.0/24 (1 entry, 1 announced)
...

ARP テーブル

show arp

クラスタ関連

root@SRX> show chassis cluster ?
Possible completions:
  control-plane        Display control-plane information
  data-plane           Display data-plane information
  ethernet-switching   Display chassis cluster ethernet switching details
  interfaces           Display chassis cluster interfaces
  ip-monitoring        Display IP monitoring related information
  statistics           Display chassis cluster statistics
  status               Display chassis cluster status