How does IGMP function? IGMP operates through the exchange of messages, between hosts and routers within a network. There are three types of IGMP messages; 1. Membership reports: Hosts send these messages to routers to join or confirm their membership in a group. A host will send a membershi...
This article introduces how IGMP Snooping works, and the functions and applications of IGMP Snooping.
The IPTV provider can deliver content to users in unicast or multicast streaming. In multicast, the provider sends many users a single piece of content. The Internet Group Management Protocol (IGMP) makes multicast streaming easy. It is useful when an IPTV provider needs to deliver the same dat...
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Attack from IGMP null payload packets A normal IGMP packet consists of a 20-byte IP header and an 8-byte data part, equating to a total length of 28 bytes. An IGMP null payload packet, on the other hand, consists of less than 28 bytes. ...
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In contrast to IGMPv2, MLD uses ICMPv6 messages instead of defining its own message structure. The three types of MLD messages are: Multicast Listener Query Routers send Multicast Listener Query messages to query a link for multicast listeners. Multicast Listener Query messages are either General Qu...
<Huawei> display workmode wlan Wlan Current WorkMode = ap Wlan Config WorkMode = ap //ap indicates the Fat AP mode, and ac indicates the AC mode. If the AR router does not work in Fat AP mode, run the set workmode wlan command to set the working mode to Fat AP. ...
If the multicast-to-unicast conversion function is disabled on the router, perform the following operations to enable the function: <Huawei> system-view [Huawei] wlan ap [Huawei-wlan-view] service-set name huawei-1 [Huawei-wlan-service-set-huawei-1] igmp-mode snoopingCollecting...
What Is CPCAR? How Does It Work? CPCAR is the core of CPU attack defense. It rate-limits protocol packets sent to the control plane to safeguard the control plane and ensure that the CPU can properly process services. Rate limiting modes include protocol-based rate limiting, queue-based ...