packet

Failed to send 300 byte long packet over fallback interface

By Karunesh Johri • Updated: May 26, 2023

1.0 Error While configuring a server, the following errors were noted in the logfiles. send_packet: Operation not permitted dhclient.c:2386: Failed to send 300 byte long packet over fallback interface. DHCPREQUEST on eth0 port 67 (xid=0x1580bfd0) … 2.0 Solution There are two possibilities depending upon whether DHCP is being used for getting the network IP address …

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Tags: dhcp, error, fallback, interface, packet

Network Traffic Control with tc command in Linux

By Karunesh Johri • Updated: May 27, 2023

1.0 Network Traffic Control Computer network traffic is the data moving across the network at a given time. Network bandwidth is the maximum amount of data that can be transmitted over the network in unit time. Computer networks face the possibility of network congestion, where excessive data is trying to pass through the network and …

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Tags: class, filter, kernel, Linux, network, packet, qdisk, tc, traffic