The RUCKUS ICX router must be configured to have Gratuitous Address Resolution Protocol (ARP) disabled on all external interfaces.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-273629 | RCKS-RTR-000620 | SV-273629r1111036_rule | CCI-002385 | medium |
| Description | ||||
| A gratuitous ARP is an ARP broadcast in which the source and destination MAC addresses are the same. It is used to inform the network about a host IP address. A spoofed gratuitous ARP message can cause network mapping information to be stored incorrectly, causing network malfunction. | ||||
| STIG | Date | |||
| RUCKUS ICX Router Security Technical Implementation Guide | 2025-06-03 | |||
Related Frameworks
2 paths across 2 frameworks
Related Frameworks
NIST 800-531 mapping
SC-5
1.00
- DISA · V1R1 · disa_xccdf · related
- DISA · 2025-01-23 · disa_cci_list · equivalent
CCI1 mapping
CCI-002385
1.00
- DISA · V1R1 · disa_xccdf · related
Details
Check Text (C-273629r1111036_chk)
The RUCKUS ICX disables gratuitous ARP by default. Review the configuration to verify the command below does not appear.
ip arp learn-gratuitous-arp
If the above command is present in the configuration, this is a finding.
Fix Text (F-77625r1109908_fix)
Disable learning of gratuitous ARPs:
ICX(config)#no ip arp learn-gratuitous-arp