Summary of Reddit Comments on "backup dhcp leases"

Main issue of OP

• Issue: HA paired backup device answering DHCP, causing conflicts.
• Solution: Lower Maximum Lease Time or consider DC hosting DHCP.

Printer setup causing network issues

• Tech Issue: Copier tech setup with DHCP and switched to static, causing IP conflicts.
• Lesson Learned: Miscommunication and setup mistakes can lead to network disruptions.
• Implication: Printer setup unrelated to network slowdown led to major upgrades.

DHCP lease loading issues

• Suggestion: Restart DNS resolver service to fix DHCP loading issue.
• Potential Fix: Create local in policy to block DHCP port from specific IP.
• Complexity: Blocking specific DHCP IPs can be challenging due to broadcast nature.

System upgrades and server migration

• Server Upgrade Tips: In-place upgrades from 2012R2 to 2022 can be successful.
• Licencing Concern: Ensure adequate licenses (e.g., CALs) for server upgrades.
• Best Practice: Clean installs preferable but in-place upgrades viable option.

PFSense and networking issues

• Fix for Loading Issue: Check DNS settings and network configurations.
• Feature Request: Request for checkbox-style selection for restore options.
• Config Backup: Stop DHCP daemon, copy database files, and restore backups.

Quantum Fiber Setup

• Setup Success: Transparent bridge mode with new router working well.
• Network Control: Network settings managed through Quantum Fiber C6500XK modem.
• Intimidation: Initial setup can be intimidating for some users.
• Troubleshooting: Issues with SmartNID setup, crash troubleshooting, and VLAN tagging.