I have a Cisco 4300 series router. There is a problem that it goes on Rommon mode.I tried to install OS but failed.If it is flash memory problem then what I have to do ?
Forum Posts
Hello allI hope your day is going well!My Cisco Router 3845 has a problem that prevents me from accessing it remotely via ssh or telnet.I repeatedly configured the ssh and telnet settings, but the issue persisted. I also tried using different ssh cli...
Well, since nobody has been able to answer this issue, I have to answer it my self and after some research and testing, I was able to resolved it.First, this topology can be implemented in PT (not NAT on dialer and Virtual Templates). Second, I used ...
Resolved! Packet loss showing strange result
I need some help me figure out why ping drops but I still get 0% packet loss:> ping rapid count 1000 size 1400!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!...
Resolved! Link speed and duplex negotiation.
Hello experts. I couldn't find this information in Cisco documents, hence asking here. For example, if one of Cisco device is configured to autonegotiate link's speed and duplex and another side is hardcoded with particular speed and duplex, will suc...
Hi,I already tried to find any information but with no luck hence I'm putting it here.Is there a way I could build virtual lab with cbs350 switches? If it were catalysts, I could use GNS3 and buy access to VIRL images but there is no way to do that w...
I have Cisco 4321 17.3.4 acting as a terminal server. Connected to a number of Catalyst 9000 series switches console ports. Experiencing very strange behaviour when you use the connect host command and connect and log in to the target device the term...
I hope this finds you well, I was notified by Nagios about CPE RTA loss and it occurs every 5/6 min. Logging into, I saw that SNMPserver is denying x.x.x.x address which is normal because I did only allowed 2 other particual ip address to be snmp age...
Resolved! kill runaway VTY session?
Hi,I had a vty session to my router and ran a "trace" command. I couldnt get the normal ESC character to kill the trace process. I thought it was Ctrl-C, but that didnt work so I tried Ctrl -D, Ctrl-Z with no luck. I tried a Ctrl-] and it killed the ...
yes, I have done and it's working fine.
I have not configured the IPsec on DMVPN I believe R63 Hub Routerinterface Loopback0ip address 63.63.63.63 255.255.255.0!interface Loopback1ip address 192.63.10.1 255.255.255.0!interface Loopback2ip address 192.63.20.1 255.255.255.0!interface Loopba...
I'm doing a lab in packet tracer, and I believe I followed all the instructions correctly but for some reason when it came time to type in the "telnet xxx.xxx.xxx.xxx" cmd it just gave me this message saying it was closed by a foreign host and doing ...
I have a switch catalyst 4500 with the following line cards: WS-X4548-GB-RJ45. Are they compatible to sw catalyst 9400? In other words, can I install and use a line card from a c4500 series into a c9400?
I need help with an init string and dip switch setting for a USR Courier V.Everything M/N: USR3453B modem. I want to be able to dial into my PIX firewall and have access to the console. Thanks in advance for your help.My E-mail address is nick.hellum...
Resolved! 3Com's 3cdaemon Still Available?
I've looked online all over, and I can't seem to find a reliable source for 3cdaemon. I downloaded one, and then when the install routine had a splash screen that was split down the middle with half on one side and half on the other, I decided not to...
