C
HAPTER
27
| General Security Measures
DHCPv6 Snooping
– 916 –
clear ipv6 dhcp
snooping database
flash
This command removes all dynamically learned snooping entries from flash
memory.
COMMAND MODE
Privileged Exec
EXAMPLE
Console(config)#clear ipv6 dhcp snooping database flash
Console(config)#
show ipv6 dhcp
snooping
This command shows the DHCPv6 snooping configuration settings.
COMMAND MODE
Privileged Exec
EXAMPLE
Console#show ipv6 dhcp snooping
Global DHCPv6 Snooping status: disabled
DHCPv6 Snooping is configured on the following VLANs:
1,
Interface Trusted Max-binding Current-binding
--------- --------- ----------- ---------------
Eth 1/1 No 5 0
Eth 1/2 No 5 0
Eth 1/3 No 5 0
Eth 1/4 No 5 0
Eth 1/5 Yes 5 0
.
.
.
show ipv6 dhcp
snooping binding
This command shows the DHCPv6 snooping binding table entries.
COMMAND MODE
Privileged Exec
EXAMPLE
Console#show ipv6 dhcp snooping binding
NA - Non-temporary address
TA - Temporary address
-------------------------------------- ----------- ---- ------- ----
Link-layer Address: 00-17-7C-aa-39-26
IPv6 Address Lifetime VLAN Port Type
--------------------------------------- ---------- ---- ------- ----
2001:b021:1435:5612:ab3c:6792:a452:6712 2591998 1 Eth 1/5 NA
--------------------------------------- ---------- ---- ------- ----
Link-layer Address: 00-17-7c-01-02-03
IPv6 Address Lifetime VLAN Port Type
--------------------------------------- ---------- ---- ------- ----
2001:b000::1 2591912 1 Eth 1/3 NA
Console#
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