Switching

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...

Hi community,   Is there a way to deal with Multicast PTPv2 traffic, as it doesn't use IGMP I believe I cannot use IGMP snooping. Would it be the same for NX-OS and IOS platforms?

i have configured H3C S7506E core Switch port channel as below and cisco switch but the link down down. interface Bridge-Aggregation1 port link-type trunk port trunk permit vlan all port trunk pvid vlan 10 link-aggregation mode dynamic dhcp-snooping ...

Hi there, Please if the following issue has been answered before point me in the direction of its where abouts, I am new to this forum. I have recently inherited management of a fairly simple network, 1 x Core router, 1 x Core switch and from them ...