ipv6 source-guard

Configures IP Source Guard (IPSG) on a port, for IPv6 addresses. When you enable IPSG on the port, filters are automatically installed for the IPv6 addresses that are already learned on that interface.

Syntax

Command Parameters

enable
Enables IPSG on a port, for IPv6 addresses. When you enable IPSG on the port, filters are automatically installed for the IPv6 addresses that are already learned on that interface.
max-allowed-addr <2-10>
Configures the maximum number of IPv6 addresses allowed on the port. The default value is 4.
overflow-count clear
Clears the IPSG overflow counters. Overflow counters consists of IPv6 addresses that are not added to IPSG due to lack of filter resources.
On the switch, the total number of filters cannot exceed 256. This limit includes the filters for IPSG and the manually created ACLs.

Default

IPSG for IPv6 addresses is disabled by default.

Command Mode

GigabitEthernet Interface Configuration

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