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
-
default ipv6 source-guard
enable
-
ipv6 source-guard
enable
-
ipv6 source-guard
max-allowed-addr <2-10>
-
ipv6 source-guard
overflow-count clear
-
no ipv6 source-guard
enable
Command Parameters
- enable
- Enables IP Source Guard 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 IP Source Guard
overflow counters. Overflow counters consists of IPv6 addresses that are not added
to IP Source Guard due to lack of filter resources.
- On the switch, the total number of
filters cannot exceed 256. This limit includes the filters for IP Source Guard and
the manually created ACLs.
Default
IP Source Guard (IPSG) for IPv6 addresses is disabled by default.
Command Mode
GigabitEthernet Interface Configuration
