Tp-Link T2600G-52TS V3 [176/549] Ip igmp snooping header validation

Tp-Link T2600G-18TS V2 [176/549] Ip igmp snooping header validation
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T2600G-28TS(config)# ip igmp snooping drop-unknown
21.4 ip igmp snooping header-validation
Description
The ip igmp snooping header-validation command is used to enable IGMP
Header Validation globally. To disable the IGMP Header Validation function,
please use no ip igmp snooping command.
Generally, for IGMP packets, the TTL value should be 1, ToS field should be
0xC0, and Router Alert option should be 0x94040000. The fields to be
validated depend on the IGMP version being used. IGMPv1 only checks the
TTL field. IGMPv2 checks the TTL field and the Router Alert option. IGMPv3
checks TTL field, ToS field and Router Alert option. Packets that fail the
validation process will be dropped.
Syntax
ip igmp snooping header-validation
no ip igmp snooping header-validation
Command Mode
Global Configuration Mode
Privilege Requirement
Only Admin, Operator and Power User level users have access to these
commands.
Example
Enable IGMP Header Validation:
T2600G-28TS(config)# ip igmp snooping header-validation
21.5 ip igmp snooping vlan-config
Description
The ip igmp snooping vlan-config command is used to enable VLAN IGMP
Snooping function or to modify IGMP Snooping parameters. To disable the
VLAN IGMP Snooping function, please use no ip igmp snooping vlan-config
command. To restore the default values, please use no ip igmp snooping
vlan-config with specified parameters.
Syntax
ip igmp snooping vlan-config
vlan-id-list
[ rtime
router-time
| mtime
member-time
| ltime
leave-time
]

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