Network security - Implement and troubleshoot IPv6 first hop security - RA guard
3 important questions on Network security - Implement and troubleshoot IPv6 first hop security - RA guard
What does the RA host mode?
What does router mode and what additional options can be checked?
In router mode RA messages are allowed and there are additional options that can be checked and filtered, including:
• Advertised hop count limit
• Advertised managed address configuration flag
• IPv6 address of sender
• Advertised prefixes
• Advertised default router preference
What are the command to configure RA guard host mode on an interface?
Switch(config)#ipv6 nd raguard policy RAGUARD
Switch(config-ra-guard)#device-role host
And then to attach policy to an interface:
Switch(config)#int range fast0/5 - 7
Switch(config-if)#ipv6 nd raguard attach-policy RAGUARD
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