RANCID

https://www.shrubbery.net/rancid/
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RANCID is a network configuration monitoring tool that captures device configurations, tracks...
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### Sample RANCID Addition to router.db and Configuration

Source: http://www.shrubbery.net/rancid

This sample shows a router being added to the router.db file and its initial configuration being captured by RANCID.

```diff
From: rancid 
To: rancid-example@example.com
Subject: example router config diffs
Precedence: bulk

Index: router.db  
===================================================================
retrieving revision 1.19  
diff -u -4 -r1.19 router.db
@@ -28,9 +28,9 @@
  nyc.example.com:cisco:up
  ord.example.com:cisco:up
+ pao.example.com:juniper:up 
Index: configs/pao.example.com
===================================================================
retrieving revision 1.1
diff -u -4 -r1.1 pao.example.com
@@ -0,0 +1,1391 @@
+ # pao.example.com> show chassis clocks
+ # Reference clock status: 
+ #   Current source:           Primary

```

--------------------------------

### Sample RANCID Configuration Diff

Source: http://www.shrubbery.net/rancid

This is a sample diff output from RANCID showing the removal of a Gigabit Ethernet card from a router's configuration.

```diff
From: rancid <rancid@example.com>
To: rancid-example@example.com
Subject: example router config diffs
Precedence: bulk
  
Index: configs/dfw.example.com
===================================================================
retrieving revision 1.144
diff -u -4 -r1.144 dfw.example.com
@@ -57,14 +57,8 @@
  !Slot 2/MBUS: hvers 1.1
  !Slot 2/MBUS: software 01.36 (RAM) (ROM version is 01.33)
  !Slot 2/MBUS: 128 Mbytes DRAM, 16384 Kbytes SDRAM
  !
- !Slot 6: 1 Port Gigabit Ethernet
- !Slot 6/PCA: part 73-3302-03 rev C0 ver 3, serial CAB031216OL
- !Slot 6/PCA: hvers 1.1
- !Slot 6/MBUS: part 73-2146-07 rev B0 dev 0, serial CAB031112SB
- !Slot 6/MBUS: hvers 1.2
- !Slot 6/MBUS: software 01.36 (RAM) (ROM version is 01.33)
  !Slot 7: Route Processor
  !Slot 7/PCA: part 73-2170-03 rev B0 ver 3, serial CAB024901SI
  !Slot 7/PCA: hvers 1.4
  !Slot 7/MBUS: part 73-2146-06 rev A0 dev 0, serial CAB02060044
@@ -136,11 +130,8 @@
  boot system flash slot0:
  logging buffered 32768 debugging
  no logging console
- enable secret 5 $1$73Y1$grXuRjuZxfSiLYv1sBRUz0

```

--------------------------------

### Show Chassis Environment Details

Source: http://www.shrubbery.net/rancid

Displays detailed environmental information for the chassis, including clocking and synchronization status. This command is useful for monitoring the health and configuration of the system's environmental controls.

```text
#   Primary source:           Internal
#   Secondary source:         Internal
#   Tertiary source:          Internal
#   Rollover algorithm:       Holdover
#   PLL mode:                 Free-running
#   PLL errors:               0
#   Sync message current:     0x00
#   Sync message normal:      0x00
#   Sync message override:    0x00
#   Reference clock ppm:      5
#
# pao.example.com> show chassis environment
#
	[ .... ]
```
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