PPPOE Updown and router reboot

RouterOS
1

Dear ALL

I have a CCR of this specific model and a customer base of 942 users. My configuration includes:

  1. IP firewall NAT masquerade (a single NAT rule).
  2. VLANs for customer input and output—totaling 10 VLANs—with separate interfaces for input and output traffic.
  3. IP pools.
  4. PPPoE profiles and servers (authentication is handled via RADIUS, so there are no local secrets configured).
    The issue I'm facing is that when I host all the PPPoE connections on this MikroTik unit, it suddenly hangs; the CCR requires a reboot to come back online.

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2

Don't do that! Use src-nat not masquerade.

Also, you need to update to 7.23.3

3

oke , and now i using version 7.21

23m50s
version: 7.21.5 (long-term)
build-time: 2026-07-03 10:23:40
factory-software: 7.1.3
free-memory: 15.4GiB
total-memory: 16.0GiB
cpu: ARM64
cpu-count: 16
cpu-frequency: 2000MHz
cpu-load: 9%
free-hdd-space: 98.3MiB
total-hdd-space: 128.0MiB
write-sect-since-reboot: 164
write-sect-total: 1786725
bad-blocks: 0.1%
architecture-name: arm64
board-name: CCR2216-1G-12XS-2XQ
platform: MikroTik

4

Netinstall and configure again "just in case"