Hi to all,how to upgrade the rommon on a VSS with 4500X ?- copy the rommon software to bootflash and sup-bootflash.- reload and type ctrl-c for break sequence - Configure the boot parameter in rommon mode . boot cat4500-e-promupgrade-150_1r_SG2 Is ...
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Resolved! ospf problem path selection
in above scenario ospf , when the connection between two switches was downed.(in any reason )router R4 can not ping 192.168.13.1 ( R1 interface 0/1) . in this situation we want ping this ip with path up ( R2--R1) . how can handle this problem ??thank...
Resolved! tracert output interpretation
Hi, I have been looking for an answer, I know that it might be out of cisco topic, but dont know where else to find a light to determine the reason or if Im thinking the correct answer many network admins ask for tracert from the end workstation wh...
UC540W-FXO-K9, ONLY THE FANS AND SYS AND POE LEDS WORK. I CAN NOT ENTER THE TEAM BY NET I HOPE SOMEONE CAN HELP ME
Hello,I'm securing some network base on 2960 (we've old 2950 an we will make decision whether to buy cca 250x 2960S or some other junipper ekvivalent with ipv6 security) . I'm using ipv4 on switchports but I need to secure IPv6 "~arp" to, Will cisco...
Hello, I am seeing some strange behaviour on my switch running TACACS. Sometimes when command are authorized on my TACACS.net server, they do not include the actual command requested for authorization in the logs. Other times it does. Here are exampl...
Hello, I have TACACS configured to authorize commands. However I notice that not all commands are being sent to the TACACS server for authorization. What is the rule that governs whether a CLI command is sent to TACACS for authorization? Does IoS onl...
Hello community, I have install packettracer on Ubuntu 18.04 LTS. It works almost perfectly, I only noticed a small problem. When I use this command packettracer filename.pka . Packet Tracer stars without loading the file filename.pka. So, I need to...
hi experts, i read a lot of stuff about ip sla from cisco and others, and i'm confused I thought that icmp-echo could not measure packet loss because packet loss cant be computed by the statistics that are collected by this sla operation In this ...
Hi, my question today is how can I create documentation really good documentation for network infrastructure ?I heard about Microsoft Visio and I try to create documentation from zero to end with it.Which tools I can use to describe with the best w...
I know when connecting similar devices you're suppose to use crossover cables. My question is, what happens if I use a "normal" cat 5 where both ends are the same? I'm connecting 2 Cisco 2611 to each other.
Having an odd problem with PoE. Trying to replace an old Dell 3524 which does 802.3af PoE I've come down to three PoE devices that won't power up on any Cisco switches but work fine on the Dell. Dell says it's class 0 on the port. I've tried 296...
Hi,Can anybody provide me with the study guide of Routing and switching in PDF.Also can someone advise me abt how should i start my preparation for CCNPThanx in Advance!!!!!!!!Rajesh Barhia
Hola buena tarde. Alguien me podría proporcionar un manual o tutorial de esta solución (Meraki MX84). Desde como configurar desde cero y puesta a punto. Saludos y gracias.
Hello. When I run: #debug tftp events TFTP Event debugging is on #debug tftp packets TFTP Packet debugging is on #debug ip dhcp server packet DHCP server packet debugging is on. #debug ip dhcp server events DHCP server event debugging is on. #deb...
