Connectivity issues in Maestro Security Group X with hosts in the network of 198.51.10x.0 / 24

Product: Maestro HyperScale Firewall
Version: R80.20SP (EOS), R81 (EOS), R81.10 (EOS), R81.20, R82, R82.10
OS: Gaia
Last Modified: 2025-10-12

Symptoms

• In Security Group X (example: Security Group 1), it is not possible to configure an interface with an IP in the network of 198.51.10x.0 / 24.
• In Security Group X (example: Security Group 1), there are connectivity issues with hosts in the network of 198.51.10x.0 / 24.

Cause

In versions lower than R80.20SP Jumbo Hotfix Accumulator Take 327, the start of CIN interfaces for IP ranges is hardcoded to be 198.51.10x.0 / 24, where is the Security Group ID.
Examples: 198.51.101.X, 198.51.102.X, 198.51.103.X, and so on.

Solution

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NOTE

This solution has been verified for the specific scenario, described by the combination of Product, Version and Symptoms. It may not work in other scenarios.

Article Properties

Access Level: Advanced
Status: Approved by TAC
Date Created: 2022-05-09
Last Modified: 2025-10-12