Hi All,Need your help to resolve "protocol Application Invalid" issue on my Cisco IP phone 7940. I have configured the option 150 on the DHCP server as suggested on some sites but to no avail. Any other means to resolve the "Protocol Application Inva...
Hi I have tried to reset the 7911 and 7970 phones by pressing and holdoing down the # key after I have powered it on but the LCD becomes blank, it doesn't show the message to press the 123456789*0# to reset. when it comes up too, it will only be show...
Hi All,My Cisco IP phone 7970 tries to boot but shows "upgrading" for sometime but nothing comes up again and only show the main page cisco systems. When the main page comes up none of the keys respond including the menu key. When I check on the call...
I'm trying to install ios into my cisco 2821 which boots in rommon. Apparently the ios is corrupted, I have set the IP_ADDRESS, IP_SUBNET_MASK, DEFAULT_GATEWAY, TFTP_SERVER, TFTP_FILE but anytime I issue the 'tftpdnld' and confirm to continue,...
I'm trying to install ios into my cisco 2821 which boots in rommon. Apparently the ios is corrupted, I have set the IP_ADDRESS, IP_SUBNET_MASK, DEFAULT_GATEWAY, TFTP_SERVER, TFTP_FILE but anytime I issue the 'tftpdnld' and confirm to continue,...
Hi Alex,It is this same document I referenced when I encounted the issue. I have configured the option 150 on the DHCP but to no avail. Do you pls know any alternative way to tackle this?Thanks.Alf
Hello AllThank you for your invaluable assitance. The issues started from arp, to timout which was due to firewall as Richard Burts rightly suggested. I became happy when it started copying for the first time but got disappointed whenit began to time...
Could the size flash size be of problem sice I'm beging to suspect it. though i copied the IOS from another Cisco 2821series and want to put it on another cisco 2821 series I 'm thinking the size should not be a matter. Whether I use 'tftpdnld' or ' ...
