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www.networktocode.com
POLL
• Do you currently automate any part of the network?
• Network or Sys/DevOps?
www.networktocode.com
ABOUT ME
• Traditional Network Engineer for 14 years– Worked for Cisco, VARs, etc.– CCIE 15394, VCDX-NV
• Made the shift to programmability and automation about 2 years ago– Presently consulting on network automation
• Blog: jedelman.com • Twitter: @jedelman8
www.networktocode.com
NETWORK AUTOMATION
Template Building
Data Collection
Super Commands
Troubleshooting (Ops)
Conformance & Validation
Provisioning
Device Configurations, Vendor Migrations, IPv4 to IPv6 Migration, Site Rollouts, Office/DC Relocations, BYOD configs for switches
Cabling Check, Neighbors, Serial Numbers (support contracts?), Linecards, Modules, Audit Checks, PSIRT checks
Wireless Client to AP to Switchport, Phone to switchport, BGP Table + Routing Table, Integrate to UC, WLAN, IPAM
Cabling, L2 neighbors, L3 adjacencies (have it tell you WHY the neighbor relationship failed), Interface Errors, ACLs
Are the correct routes in each router? Measuring MAC/ROUTE table size, SNMP, security validation parameters
Orchestration, Configuration Management, etc.
www.networktocode.com
CABLE VERIFICATION
• Is the cabling accurate?
• How do you know if something is mis-cabled?
• Ever work 3rd party contractors that cable based on your patch schedule and somehow it doesn’t come out right?
www.networktocode.com
TROUBLESHOOTING OSPF
• Remember how neighbors are formed in OSPF?
• Do you remember at 3am on a Saturday?
• Does the junior network engineer remember when you’re on vacation?
www.networktocode.com
TROUBLESHOOTING OSPF
• Remember how neighbors are formed in OSPF?
• Do you remember at 3am on a Saturday?
• Does the junior network engineer remember when you’re on vacation?
• How about we automate the process of a neighbor check?
• Do we really enjoy bouncing back and forth between routers?
• Let’s get to it!
www.networktocode.com
TROUBLESHOOTING OSPF
• Remember how neighbors are formed in OSPF?
• Do you remember at 3am on a Saturday?
• Does the junior network engineer remember when you’re on vacation?
• How about we automate the process of a neighbor check?
• Do we really enjoy bouncing back and forth between routers?
• Let’s get to it!
Network Rockstar
www.networktocode.com
WHY ANSIBLE?
• Agentless– EXTREMELY important for network integrations
• Easily extendable– Add new devices as necessary, i.e. Arista, Cisco, HP,
Juniper including SDN fabrics
• Used for one-off and mass changes• Native orchestration capabilities • Tower gives push button provisioning
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