Tagged: migration

21 July 2026 Juniper SDWAN Session Smart Routing Migration

Juniper Session Smart SD-WAN Deep Dive Part 7: The MPLS Cutover Playbook

A practical staged cutover from legacy MPLS to Session Smart Routing — overlay-first coexistence, tenant/service modelling before a single circuit changes, and why SVR's tunnel-free design changes the risk profile of the cutover weekend itself.
21 July 2026 Palo Alto Networks Prisma SDWAN SDWAN Migration

Palo Alto Prisma SDWAN Deep Dive Part 7: The MPLS Cutover Playbook

A per-site MPLS-to-Prisma-SDWAN migration playbook built around the Analytics-to-Control progression from Part 3: zero-touch bootstrap, a genuinely evidence-based baseline before anything changes behaviour, a bounded rollback window per site, and a decommission sequence that doesn't ask anyone to trust the fabric on day one.
26 April 2026 linux networking iptables nftables firewall security migration

iptables to nftables: Migrating Production Firewalls Without Downtime

A working engineer's guide to moving from iptables to nftables on production Linux firewalls — the mental model shift, where iptables-translate misleads you, atomic ruleset swaps, and a clean rollback strategy that means a bad migration costs you seconds, not your weekend.