Category: JNCIA
JNCIA, ROUTING PROTOCOLS, SECURITY, SERVICE PROVIDER
Commit check immediately followed by commit?
I am on mission to prevent people from getting into the habit of making configuration changes in Junos and, when the time comes to activating them, doing a commit check, immediately followed by a commit, if they don't get any...
ENTERPRISE, JNCIA, JNCIE, JNCIP, JNCIS, SERVICE PROVIDER
OSPF SUMMARY
OSPF PACKET TYPES HELLO PACKETS Adjacencies formation: An adjacency could fail if there is a mismatch of any of the following parameters: MTU (stuck in exstart) Network address Subnet mask Hello interval and/or dead interval Area typeAuthenticationArea idInterface type (broadcast,...
ENTERPRISE, JNCIA, JNCIS, SECURITY, SERVICE PROVIDER
AGGREGATE, & GENERATED Additional notes.
Got a very good questions from someone who read my article about MANUALLY CONFIGURED ROUTES: "What is the purpose of using discard with a generated route?" I didn't think much about it at first. I mean, traffic coming in that...
ENTERPRISE, JNCIA, JNCIP, JNCIS, SECURITY, SERVICE PROVIDER
Logical Systems and Virtual Routers
LSYS Virtual Routers Scaling Up to 15 10K+ Management Separation Yes No Independent Routing Process (rpd) Yes No Can allocate resources per instance Yes No Support Routing Protocols Yes Yes NSR, NSB supported No Yes License required (in some products)YesNo...
ENTERPRISE, JNCIA, JNCIS, SERVICE PROVIDER
Primary, preferred addreses.
Primary-preferred-address-examples_YL_MAY-2017Download
JNCIA, JNCIE, JNCIP, JNCIS
MANUALLY CONFIGURED ROUTES – STATIC, AGGREGATE, & GENERATED
When you are trying to set up a route manually for a particular purpose, you are faced with these 3 different options in Junos: STATICGENERATED (summary route)AGGREGATE (summary route) And probably you have asked yourself: What are the differences? Which...
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