Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
Resolved! Routing Traffic locally
Hi there, Just starting out on my journey to become certified. Working through the pluralsite videos amongs other material. Just got to the basic configuration of a cisco router segment, basically I am connecting two laptops to the fast ethernet ...
Hi All I have recently set up APIC-EM IWAN app to deploy SDWAN. What I want to know is, when the self signed cert for the server needs to be renewed, what will happen to to the devices that are using it, will they check in so long before? or will the...
Resolved! QOS Policing
Looking for some advice regarding Policing traffic. We have 6509 switches at one site that connect to 3750 switches at another site via a 100Mb/s link. police bps burst-normal burst-max conform-action action exceed-action action violate-action ac...
I own a Cisco 887 and every 3-4 days but abolutely random internet goes down. I can't understand if it is a WAN or internal router problem. Sometimes the problem solves on its own, sometimes a reload is needed.I can post you the following logs:000038...
Hi all, New to this group and getting back into networking after a few years in telecoms I know this is a basic question but would like to know the best way to tackle the following. I have a L2 switch on my network. I trying to ' feel ' my way...
Dear Community, we are currently on ROMMON 12.2(17r)SX5 and IOS 12.2 and want to upgrade to 15.1 with minimal downtime. Question: - Is ROMMON 12.2(17r)SX7 update really needed to run IOS 15.1? In Release Notes ROMMON 12.2(18r)S1 or later is menti...
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 ...
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 ...
