On anĮthernet interface, you cannot create a remote loopback, therefore Of the PIC but does not test the transmit and receive ports. A local loopback tests the interconnection When you create a local loopback, you create an internal loop In configuration mode, go to the following hierarchy level: edit interfaces interface-name (fastether-options | gigether-options)Ĭonfigure the local loopback: [edit interfaces interface-name (fastether-options | set loopbackįor example: [edit interfaces fe-1/0/0 showįor example: [edit interfaces fe-1/0/0 commit The transmit port to the receive port, follow these steps: To configure a local loopback without physically connecting Perform Steps 2 through 8 from Diagnose a Suspected Hardware Problem with a Fast
Show interfaces (fe- fpc/pic/port | ge- fpc/pic/port ) extensive Interface (fe- fpc/pic/port | ge- fpc/pic/port count 100 rapidĬheck for Fast Ethernet or Gigabit Ethernet Interface Ping the Fast Ethernet or Gigabit Ethernet Interface Interface-name unit logical-unit-number family inet addressĬlear Fast Ethernet or Gigabit Ethernet InterfaceĬlear interfaces statistics fe- fpc/pic/port | ge- fpc/pic/port Show interfaces ge- fpc/pic/port [edit interfaces Show interfaces (fe- fpc/pic/port | ge- fpc/pic/port)Ĭonfigure a Static Address Resolution Protocol Table Verify That the Fast Ethernet or Gigabit Ethernet Interface-name (fastether-options | gigether-options)] First I thought my cable was simply badly made but I tried 3 times making new cables and all of them have the same result so I don't think it's a badly made cable.For Using Loopback Testing for Fast Ethernet and Gigabit Ethernetĭiagnose a Suspected Hardware Problem with a FastĬreate a Physical Loopback for a Fiber-Optic InterfaceĬonnect the transmit port to the receive port.Ĭreate a Loopback Plug for an RJ-45 Ethernet InterfaceĬross pin 1 (TX+) and pin 3 (RX+) together, and pin 2 Send some udp packets at maximum throughput. So my question is how can I make this work? I simply want to start testing the interface. TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 My other network interface do not seem to interfere: λ ifconfig I can sporadically ping myself: λ ping 192.168.1.50
METRO E LOOPBACK PLUG MANUAL
I configured the network interface as follows: And in Linux I sporadically see a link being established at 10mbit for a short amount of time. Now when I plug this cable into a network port I do see the lights coming on.
So I build my own loopback cable with the following pinout: So I looked online and this seemed possible. ANd just see if I can send data and receive what I send.
METRO E LOOPBACK PLUG SOFTWARE
Since I don't want to setup two machines and run software on both the test connection my first thought was to create a loopback cable. So I need to create a simple process to test a large amount of gigabit network ports.
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