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Archive for the ‘CCIE Notes’ Category

CCIE notes – Security part 2

Layer 3 Security   Recommendation 1. Enable secure Telnet access to a router and use SSH 2. Enable SNMP security, adding SNMPv3 support 3. Turn off unnecessary services on the router platform 4. Turn on logging to provide on audit trail 5. Enable protocol authentication 6. Enable CEF   General Layer3 Security Considerations 1. Smurf […]

CCIE notes – Security part 1

Router & Switch Device Security – to encrypt passwords with the following command #service password-encryption – “#no service password-encryption” – does not automatically decrypt the password. It waits until a new password is added. – #enable secret – encrypts the password as md5 – #enable password – type 7 password – #username password <pass> – […]

CCIE notes – MPLS

Below are some notes from my CCIE written. Hope you enjoy them   MPLS IP Forwarding: Data Plane – MPLS routers inject (push) or remove (pop) or forwards packets based on labels – MPLS relies on the CEF while expanding the logic and data structures as well   LSR (Label Switch Router) – any router […]