HUAWEI – enable IGMP-snooping

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igmp-snooping is not a protocol but a feature that switches have to control multicast traffic. In a broadcast domain, multicast is flooded on all ports so the snooping mechanism listen for an IGMP client and send multicast traffic only on the necessary ports in the multicast forwarding table. Troubleshooting commands: .glitchlist crew

OSPF silent-interface

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When you want to interconnect 2 OSPF processes in static mode for design requirements or just temporary in a migration scenario you have to instruct routers to not receive routing update information and to not advertize networks to another router. By default when you start an OSPF process all interfaces of the router send Hello packets to discovery neighborships. To …

Huawei AP5030DN Fit to Fat

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Huawei APs are “Fit” Access Points by default. It means AP Controller is needed to work. If you want to install a single AP and you don’t need an AP Controller you must convert/change firmware of the AP. Easy step-by-step: Login on Huawei Enterprise Support and Download AP-FAT firmware Login on AP console port system-view ap-mode-switch prepare ap-mode-switch check ap-mode-switch …

Layer 2 Traceroute

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There are some nightmares that could torment the life of an access network, one of them is the MAC FLAPPING. as a loop condition or sometimes rogue devices installation, you will spend your day chasing mac addresses around your network. this great function on switches firmwares can Help! On Huawei switches trace mac enable must be enable on all access …

Routers diagnostics

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to make a complete deep diagnosis of your router one of the most complete tools is: Sometimes the generated file is asked by vendors when you open a Cisco TAC or a Huawei CASE. The output of these commands is very large so on Huawei you can add the filename option and export the file via TFTP, while for Cisco, …

Huawei Configuring stack on S6720/S5720

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Huawei S6720/S5720 series don’t use a dedicated stack module, so you have to select 2 available port on fiber module 10G/1G. As the image below, we choose the port Xgiga0/0/2 and Xgiga0/0/4 as stacks ports. After the config was done the 2 ports aren’t available for active traffic. It is needed to adapt the stack config on each unity Configure …