با سلام
هنگام آپگرید IOS جدید با چنین مشکلی برخورد کردم (مدل سوئیچ 2950T-24)
payane#copy tftp: flash:
Address or name of remote host [192.1.8.125]?
Source filename [c2950-i6k2l2q4-mz.121-22.EA13.bin]?
Destination filename [c2950-i6k2l2q4-mz.121-22.EA13.bin]?
Accessing tftp://192.1.8.125/c2950-i6k2l2q4-mz.121-22.EA13.bin...
Loading c2950-i6k2l2q4-mz.121-22.EA13.bin from 192.1.8.125 (via Vlan1): !!!!!!!!
!!!!!!!!!!!!!!!!!O!!!!!!!!!!!!!!!!!!!!!!!!O!!!!!!! !!!!!!!!!!!!!!!!!!O!!!!!!!!!!!
!!!!!!!!!!!!!!O!!!!!!!!!!!!!!!!!!!!!!!!!O!!!!!!!!! !!!!!!!!!!!!!!!!O!!!!!!!!!!!!!
!!!!!!!!!!!O!!!!!!!!!!!!!!!!!!!!!!!!!O!!!!!!!!!!!! !!!!!!!!!!!!!O!!!!!!!!!!!!!!!!
!!!!!!!!!O!!!!!!!!!!!!!!!!!!!!!!!!!O!!!!!!!!!!!!!! !!!!!!!!!!O!!!!!!!!!!!!!!!!!!!
!!!!!!O!!!!!!!!!!!!!!!!!!!!!!!!!O!!!!!!!!!!!!!!!!! !!O!!!O!!!O!!O!!!O!!!O!!!O!!O!
!!!O!!O!!O!!!!O!!O!!!O!!!O!!!O!!O!!!O!!!O!!!O!!O!! !!O!!O!!O!!!!O!!O!!!O!!!O!!!O!
!O!!!O!!!O!!O!!!O!!!O!!O!!!O!!!O!O!!!O!O!OO!OO!OO! OOOO!OOO!OOO!OOOOO... [timed o
ut]
%Error reading tftp://192.1.8.125/c2950-i6k2l2q4-mz.121-22.EA13.bin (Timed out)