Basically it means: if you send/route an IP packet to IP X please use MAC Y. An ARP table exists on hosts (PCs) and routers.Ģ- A MAC table is a mapping between a MAC address and a port on a switch. Basically it means: if you want to switch (i.e. Layer 2) a frame destinated to MAC X please forward through port Y. On Junos, the following commands can be used:Ģ- to check the MAC table: show ethernet-switching table or show bridge mac-table (it depends of the platform, you haven't said which SRX you are using) A MAC table exists on a switch.Īs you see these are two highly distinct concepts. Is your SRX being used as a switch (transparent mode)? It seems not, so forget the MAC table. In both cases you learn the mappings by listening to the traffic. If some device never sends traffic then your platform has no way to guess its MAC address whether it is for the ARP table or for the MAC table. #HOW TO CHECK MAC ADDRESS TABLE IN CISCO ROUTER MAC# #HOW TO CHECK MAC ADDRESS TABLE IN CISCO ROUTER MAC#.
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