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Bug #16553

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When creating Static route using alias for Destination, subnet constrains to /32, even for aliases that point to an IPv6 subnet

Added by → luckman212 10 days ago. Updated 4 days ago.

Status:
Confirmed
Priority:
Low
Assignee:
-
Category:
Aliases / Tables
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Release Notes:
Default
Affected Plus Version:
25.11
Affected Architecture:

Description

Tested on 25.11.r.20251118.1708

I have a Network alias defined as n_v6_syno_64 pointing to -> 2001:470:dead:beef::/64 (redacted)

When adding a new Static route, as soon as I select this alias for Destination network, the subnet mask menu becomes constrained with /32 as a maximum (technically "minimum" I suppose).

Despite this cosmetic anomaly, the actual routing table appears to be getting set correctly:

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clipboard-202511231212-x1x27.png (158 KB) clipboard-202511231212-x1x27.png → luckman212, 11/23/2025 05:12 PM
clipboard-202511231216-vjwpx.png (213 KB) clipboard-202511231216-vjwpx.png → luckman212, 11/23/2025 05:16 PM
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 #1

Updated by Kris Phillips 4 days ago

  • Status changed from New to Confirmed
  • Priority changed from Normal to Low

This appears to be the default behavior for all Aliases, regardless of the IP version. Both an IPv4 and IPv6 alias will apply /32.

Since this is a purely cosmetic anomaly, I'll mark this as Confirmed and Low priority. We should probably just grey out the subnet field when an alias is defined.

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