jeremyschulman’s gists

jeremyschulman / demo_ipaddress.py

Created October 2, 2015 14:52

Demo subnetting IP pool using python ipaddress library

	from ipaddress import IPv4Network

	# mock link data

	g_links = [
	{'local': dict(name='leaf-1', ifname='swp1'),
	'remote': dict(name='rtr-1', ifname='eth1/1')},

	{'local': dict(name='leaf-1', ifname='swp2'),
	'remote': dict(name='rtr-2', ifname='eth2/1')},

jeremyschulman / eth_nei_table.yml(for junos)

Last active August 29, 2015 14:06

Ethernet Link Checker (multi-vendor/using Schprokits Table output)

	# for hosts wtih _os = 'junos'
	---
	eth_nei_table:
	rpc: get-lldp-neighbors-information
	item: lldp-neighbor-information
	key: lldp-local-interface
	view: eth_nei_record

	eth_nei_record:
	fields:

jeremyschulman / getting_log_files

Created January 24, 2014 19:51

	>>> dev
	Device(srx210)

	# import the filesystem library and bind it to the device (dev)
	>>> from jnpr.junos.utils.fs import *
	>>> fs = FS(dev)

	# use the 'cat' function to dump the content of the file
	>>> print fs.cat('/var/log/dcd')

jeremyschulman / admin_ifd_byidx.py

Last active November 6, 2020 16:57

Python script to admin up/down a Junos interface using the SNMP ifTable index value. Requires the "ncclient" module found at www.github.com/Juniper/ncclient

	# Copyright (c) 1999-2011, Juniper Networks Inc.
	# All rights reserved.
	# Author: Jeremy Schulman
	#
	# Redistribution and use in source and binary forms, with or without
	# modification, are permitted provided that the following conditions are met:
	#
	# * Redistributions of source code must retain the above copyright
	# notice, this list of conditions and the following disclaimer.
	#

jeremyschulman / change_interface_admin.py

Created September 25, 2013 13:40

python example to change Junos port admin state


	import sys
	from ncclient import manager as ncclient
	from ncclient.operations.rpc import RPCError
	from lxml import etree

	### ---------------------------------------------------------------------------
	### unix invocation:
	### $ python change_interface_admin.py <hostname> <portname> [up\|down]
	###

jeremyschulman / dnsmasq.conf

Created June 27, 2013 21:59

Sample dnsmasq.conf file that uses option-82 circuit-id to assign fixed IP address

	#domain-needed
	bogus-priv
	expand-hosts

	addn-hosts=/var/lib/dnsmasq/hosts

	# interfaces ...
	interface=eth1

	# DCHP configs ...

jeremyschulman / policy-shuffle.rb

Last active December 16, 2015 12:08

SRX "policy shuffle" code related to http://blog.ciscoinferno.net/policy-shuffle blog http://blog.ciscoinferno.net/policy-shuffle

	require 'net/netconf/jnpr'
	require 'junos-ez/stdlib'
	require 'junos-ez/srx'

	login = { :target => 'vsrx', :username => 'jeremy', :password => 'jeremy1', }

	### open a NETCONF session to the SRX device

	ndev = Netconf::SSH.new( login )

jeremyschulman / trace-route-ldp.rb

Last active December 11, 2015 05:08

A simple example tracking down a routing path through a BGP/MPLS/LDP Junos network.

	require 'highline/import'
	require 'net/netconf/jnpr'

	target = ARGV[0] \|\| begin
	puts "You must specify a starting target device"
	exit 1
	end

	dst_route = ARGV[1] \|\| begin
	puts "You need to specify a destination route"

jeremyschulman / junos-walk-lldp.rb

Last active December 11, 2015 04:39

Simple demonstration of "walking LLDP" in a Junos network to create a connection map

	require 'highline/import'
	require 'net/netconf/jnpr'

	start_at = ARGV[0] \|\| begin
	puts "You need to specify a starting target ip/host"
	exit 1
	end

	my_username = ENV["USER"]
	puts "login: #{my_username}"

Jeremy Schulman jeremyschulman