Had a similar problem with a 1720. Put in a new flash and still no work. I have just received my new 1720 and it is up an running.
Dave kevhed wrote: > > Looking for some help. I'm trying to download (tftp) a new ios image on my > 2503 and after repeated attempts, I continually get a checksum error after > each download. I've changed the config-register to 0x2101 so that the flash > will switch to Read/Write prior to downloading. I've tried 3 separate ios > images from cisco and here's what I get after each download: > > t(boot)#copy tftp flash > > System flash directory: > File Length Name/status > 1 8133708 c2500-js-l.112-26d.bin [invalid checksum] > [8133772 bytes used, 254836 available, 8388608 total] > Address or name of remote host [255.255.255.255]? 10.1.1.1 > Source file name? c2500-js-l.112-21.bin > Destination file name [c2500-js-l.112-21.bin]? > Accessing file 'c2500-js-l.112-21.bin' on 10.1.1.1... > Loading c2500-js-l.112-21.bin from 10.1.1.1 (via Ethernet0): ! [OK] > > Erase flash device before writing? [confirm] > Flash contains files. Are you sure you want to erase? [confirm] > > Copy 'c2500-js-l.112-21.bin' from server > as 'c2500-js-l.112-21.bin' into Flash WITH erase? [yes/no]yes > Erasing device... eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee ...erased > Loading c2500-js-l.112-21.bin from 10.1.1.1 (via Ethernet0): !!!!!!!!!!!!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > !!!! > !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! > [OK - 8126256/8388608 bytes] > > COPY: Text checksum verification failure > > TFTP from 10.1.1.1 failed/aborted > > Verifying checksum... invalid (expected 0x2B4D, computed 0x294F) > Flash copy took 0:04:21 [hh:mm:ss] > t(boot)# > > Thx in advance. Any help is appreciated. > > -- > Kevin Keay (N+,CNE,CCSE,CCDP,CCNP, CISSP) > Sr. Network Specialist > Ondeo-Nalco > One Ondeo-Nalco Center > Naperville, IL 60563 > (630) 305-2557 -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=45860&t=45856 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
