BGP
Why BGP Gets Stuck in Active State — And How to Fix It
The most common BGP issue in enterprise networks, explained with real debug output and a systematic fix methodology.
July 2026
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Deep dives into BGP, IPSec, SD-WAN, Cisco IOS, Firepower, and Python automation — built from real production experience, not lab scenarios.
BGP stuck in Active, OSPF neighbor issues, EIGRP stuck in ACTIVE — real debug output, real fixes.
IKEv2 Phase 1/2 failures, Firepower FTD policy troubleshooting, ASA to FTD migrations.
Cisco Viptela control plane, BFD failures, policy-based routing — from design to debug.
Python with Netmiko and Paramiko, Ansible playbooks, automating repetitive CLI tasks at scale.
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Infoblox NIOS DNS, DHCP, IPAM — enterprise DDI from deployment to troubleshooting.
The most common BGP issue in enterprise networks, explained with real debug output and a systematic fix methodology.
Step-by-step IKEv2 negotiation debugging on Cisco IOS — from crypto map misconfiguration to successful SA establishment.
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