Switching

Has anyone experience of the above switches? I have multiple stacks (no more than 5 switches in a stack) and seeing very high number of Output Errors on a lot of ports. The total number of output drops exactly match the output errors, e.g Input queu...

Hi, I will show you my topology in picture.   The topology include:3 Access switches1 Distribution switch 2 Core switches1 RouterThe problem is with one access switch.The problem is that I ping for example Access switch number 3 from Computer connect...

Hello, If I have a router with two connections to 3750's, each one to a separate switch, is there a way I can tell which traffic goes down which port? I have a SPAN/RSPAN session setup but I am only seeing half the traffic I should be so I'm trying t...

Hi, I have a big amount of xmit-err and outdiscard packets on an interface (with show interfaces counters errors). When I do a show controllers ethernet-controller, I see a big amount of excess defer frames, not deferred frames. I've seen on the doc ...

Hello,   I bought a Cisco Catalyst Blade Switch 3130 for Dell M1000E (WS-CBS3130X-S) from Ebay and I want to update the firmware to: 15.0.2-SE11(MD)   But for some ridiculous reason I need a service contact to update my 11 year old switch.. -,-   Can...

I am working on a scenario. where requirement is to have a RING Topology between the distribution Switches. we have total 3 pairs of Distribution Switches and they will be configured as VSS.    In this Scenario is it possible to have a RING topology?...

Hi All   Im trying to use the autosmart feature but somehow on the switch i can't see the complete command   It schould look like this: SWITCH_1(config-if)#macro auto control ?   detection  Enable device detection based on methods like cdp or lldp  d...

I have two 2960 -X series. one with the latest OS and the other not. I need to upgrade the second. what is the easy way to do it ( I prefer not to reboot the master if I don't have to)?

Hi,   I have Cisco Switch SF300-48PP   I have only one Vlan (Vlan 1) and all ports in this Vlan         I configured Port Mirroring, but did not work as expected, I dont see any traffic (except ARP and local Multicast).   interface gigabitethernet2 p...

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...