![]() So Ethernet0/0/1 and Ethernet0/0/2 has initially 15Mbps outbound traffic. Interface PHY Protocol InUti OutUti inErrors outErrorsĪnd mac-address table we’ll have only mac-address learned from eth0/0/1 and eth0/0/2. GigabitEthernet0/0/1 up up 3.01% 2.01% 0 0Īfter we disable mac-address learning function traffic statistics will look like below: So unwanted traffic will be flooded inside vlan.įor instance, let consider that in normal situation, from uplink switch will receive 30Mbps traffic, and forward to downlink to both host with 15Mbps rates. Without mac-address learning function, data forwarding will be made in broadcast mode. mac-address learning disableīut this will generate some extra traffic into the network. # Disable MAC address learning for Gi0/0/1. In order to avoid high CPU-usage spikes caused by learning process we can disable this function for uplink interface. Because of large broadcast data coming through uplink interface, this port will continue learning process. This is quite big for the low-end series S27.Īlso comparing the entries at two different times we will see that many mac-addresses are aged out and also many are learned again. On uplink there are a large number of mac-addresses on vlan 1Ģ07 entries for only one VLAN. ![]() I found soft_learn and frag_add at high level, both are used for mac-address learning process. First thing to do is to check which task is keeping the CPU busy.
0 Comments
Leave a Reply. |