Journey to CCIE
Tuesday, 10 August 2021
Multicast IP Address to MAC address mapping
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Multicast IP address live in the 224.0.0.0 – 239.255.255.255 range but what about MAC addresses and Ethernet frames? What do we do on laye...
Monday, 19 July 2021
Command to find users attacking a file in linux
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cat auth.log | grep "input_usr_auth_request" | awk '{print $9}' | sort -u > users.txt
Python
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https://www.kaggle.com/abhat222/python-tutorial-part1#Dictionary https://www.kaggle.com/abhat222/python-tutorial-part2#Container https://www...
Monday, 5 July 2021
OSPF/BGP Fast Convergence
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For OSPF: a) Failure Detection: BFD b) Failure Propogation : OSPF Timers (Throttle timers) OSPF “ timers throttle lsa all <lsa-start...
Friday, 2 July 2021
JUNOS YAML vs JSON
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YAML is superset of JSON JSON: Junos OS configuration Junos OS operational command outputs Junos REST API YAML: Junos PyEZ table...
Junos Automation Stack
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Processes required for automating junos devices are mgd(management process) and jsd(jet service processes) mgd handles automation requests...
JUNOS Architecture
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Transit Traffic: Wont enter RE and directly processed in PFE and requires a forwarding table entry for destination. If requires duplicates t...
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