Using the following command, router will force TFTP communication to start from specific VRF interface and it will enable it to get to TFTP server and download the IOS image. Furthermore, there is no command switch for source interface when typing copy tftp. Sure, because there are no interfaces out which the router could send the request. With that kind of configuration, TFTP copy with the command above will start from global routing table and packets will never get to TFTP server. You can see that this interface is part of VRF1. 'O' actually means that the packet(s) arrived, but out of order. As long > as it completes the file should be OK but as Vijay says double-check > the hashes. Cisco Bug: CSCsi74180 - copy tftp flash fails with ERROR tftp: could not open udp/0/12345. TestASA copy tftp flash Address or name of remote host 192.168.1xx.7x Source filename xxxxxxxxxxxxxxxxxxx Destination filename djhd xxxxvvvvxxxxaaaaasssxxxx Accessing t. In my example, TFTP server was connected to the router FastEthernet 0/0. Subject: Re: c-nsp copy tftp flash gives OOOOOOOOOOOO > The 'O's indicate that a TFTP packet was lost along the way. The issue is in having all interfaces member of some VRF, and no interface in Global Routing Table. Long story short, you kick in this command for normal IOS download to the router: R1#copy t flash:ĭestination filename ? The issue with TFTP IOS image copy to flash when having all interfaces in specific VRF and no interface in Global Routing Table.

I ran into this today and it sounded interesting enough to share it with you. As you can see from my article list, I’m going through some VRF configuration in the last few weeks 🙂

Cisco copy tftp flash