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Enable IP routing function before using this feature, for details please refer to Configuring IP Routing. |
When the switch receives an ingress router advertisement (RA) message, it will attempt to match the message via the RA guard. If the ingress port has the RA guard applied but is not a trusted port, the applied VLAN ID will be matched first. If the RA tag is matched with the VLAN ID, the RA guard will continue matching conditions to determine whether to forward or drop the RA message. If the RA tag is not matched with the VLAN ID, the applied interface will be matched (followed by the subsequent conditions). RA guard policy can be configured using hop-limit, managed-config-flag, other-config-flag, prefix, source-ipv6-addr, and source-mac-addr options.
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