Switching

Hi Friend,   I am facing issue with one of IP DHCP scope, IP's are conflicting. The scope is configured on Core Switch. Please find below-required information.   Please help me to find the solution.   interface Vlan40 description "VOICE0 10.220.31.12...

Hi -   How to read below qos commands in "same" Class-map?   Class Qos  bandwidth remaining X %  police cir Y% conform-action transmit exceed drop   I am reading them as follow: #1 When there is a congestion, bandwidth remaining X % command will be u...

Can switches go bad and can you fix them like  Refurbishthem and if so where can you  Order the parts, and also can this switch handle Gigabyt?

HI,i have chassis 4507R with WS-X4516  sup , the status led of the sup is Orangeand this is the output?what is the problem even the sup is working ok?ABS_Core_SW#sh environmentno alarmChassis Temperature                    = 38 degrees CelsiusChassis...

Following a scan by our Info Sec team the following vulnerability was picked up on our  cisco Nexus 5672UP.  TCP timestamp response I raised a case with TAC but as there was no CVE ID they couldn't help without any further information.  I have gone b...

Apologies if this is in the wrong  - this new layout is not the most intuitive.   We have upgraded a stack of 3850 switches to 16.3.6 from 3.6.3 where we used 802.1x for authenticating workstations attaching to the network. After the upgrade there ar...

Greetings   While i have some knowledge of ccna, ive spent afew days now unsuccessfully configuring this 2960x switch to let its 2nd vlan access the internet (via going through vlan 1 into the primary LAN)   I have two vlans: vlan 1 (default) - 172.1...

A few weeks ago, we starting to lose conection with a segment under a RV325, we see RV325 not forward dhcp pettitions to principal subnet. it's happens every 24 hrs aproximatly. In log only show, after restart rv325, out of memory and then a kill pro...

Dear what are the differences between POE, POE+, UPOE ? when can I use each one ? it depends what exactly ? thanks

Hello, all.   I'm trying to set up our MDS 9000 switches to use syslog logging to send logs to our log aggregator/analyzer (Elastic stack).  However, I can't use port 514 for that purpose.  INote that I was able to change the port on our Catalyst 375...

Working on a C4948-10g switch. Trying to reset switch to factory settings. I have ran the Switch#>wr erase, command but the vlan's are still in the config. If you do a show vlan it still shows all the vlan text. I have tried the Switch#>delete vlan.d...

Hi Guys,   We are facing high cpu utilization issue on our 3750 switch. I checked the processes and observed that "HULC DAI Process " is taking more cpu.   I have upgraded the switch with latest IOS image ie 12.2(55)SE12     #show processes cpu sorte...

Hello everyone,   I have a problem receiveing a multicast stream on a same vlan. My toplolgy - attached too - is as following:   SW1: configured with one vlan (vlan 80) and two hosts (host for multicast stream and the other for receiving, Rcvr -01. S...

We run 3850 switch stack to support our users, we run MAB authentication on the switch to authorize devices, they run IOS version 16.3.6 We see some scenarios where people connect a network dongle to the switch but cannot gain access to the network. ...

I have a 2911 with a EHWIC-VA-DSL & EHWIC-D-8ESG.I had a look at configuration examples for the -8ESG and it looked pretty fierce to someone who doesn't speak IOS like a native. Is there a simple configuration that will let it work as a simple 8-port...