I--- — ~upd~ Download C2900-universalk9-mz.spa.157-3.m8.bin --

Router# show version You need at least 512MB of DRAM. 768MB is recommended for full features. Once you have the file on your TFTP/FTP/USB server, perform the upgrade: 1. Copy the image to flash Router# copy tftp://192.168.1.100/c2900-universalk9-mz.spa.157-3.m8.bin flash: 2. Verify the copied image Router# verify /md5 flash:c2900-universalk9-mz.spa.157-3.m8.bin 3. Set the boot parameter Router(config)# boot system flash:c2900-universalk9-mz.spa.157-3.m8.bin Router(config)# config-register 0x2102 4. Save and reload Router# write memory Router# reload During reload, the router will unpack and boot the new image. The process takes 3–5 minutes. 5. Post-upgrade verification Check that the router is running the correct version:

Router# license boot module c2900 technology-package securityk9 Router(config)# license accept end user agreement Router# reload This image does not introduce new licensing changes; it uses the same RTU model as earlier 15.7 releases. Issue 1: "Not enough space on flash" Solution: Use squeeze to recover hidden deleted files: i--- Download C2900-universalk9-mz.spa.157-3.m8.bin --

Router# show flash: Router# dir flash: Free up space by deleting old images: Router# show version You need at least 512MB of DRAM

certutil -hashfile c2900-universalk9-mz.spa.157-3.m8.bin SHA512 or Copy the image to flash Router# copy tftp://192