Hello. I would like to ask for help with the following topic: I have a network that has two 3750X switch in stack (running IOS 15.2) acting as core switch, and several 2960+ access switches across different floors (also running IOS 15.2) that have s...
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Forum Posts
Hello guys,C3850 interfaces had lots of output error Here is the show interface output:C3850#sho interfaces | in protocol | 5 minute | errorTenGigabitEthernet1/0/1 is up, line protocol is up (connected)5 minute input rate 41720000 bits/sec, 5912 pack...
How the Internal VLAN concept is working on C3650 / C3850 switches ?Because the below command is deprecated from those switches. vlan internal allocation policy ascending
Resolved! Replacing Core Switch
Hi I am migrating our core switches next weekend and was looking for some advice on the actual move itself. I am moving our current Cisco core stack to a new core stack. I am keeping the same IP address and using the same rack space. The core swi...
Hello guys,There is something strange in show cdp neighbor, A switch had multiple interfaces in show cdp neighborHere is the some part of show cdp neighbor output:C3850-220#sho cdp neiDevice ID Local Intrfce Holdtme Capability Platform...
Hi,This error message is coming on Console Screen with ".................Image failed digital signature verificationError loading "flash:/c2960x-universalk9-mz.152-2.E3/c2960x-universalk9-mz.152-2.E3.bin"Interrupt within 5 seconds to abort boot proce...
Hello, I want to update the IOS for Switch C3560-24PS-S, but I found that the download is no longer available on the Cisco site for this model. Thank you for confirming this, and offer me solutions to have it. Thank you in advance ! Soufiane
Resolved! Multiple Ip address in same Vlan
Hi Gents, Is it possible to have multiple IP's in same Vlan? Like i have a network 192.168.2.0/25. I have Sales and Admin dept. I would like to subnet 192.168.2.0 and 192.168.2.128. Now under the Sales VLAN, if i need to add multiple host IP address,...
Hello Everyone I have two Catalyst 9500-48y4c and both switch connecting by Stackwise Virtual. But I have problem when i reboot its, Both switch losing configuration after reboot. Kindly advise if you can help and assist in my matter ? Regards Won...
Dear all, I think recent devices are not supported for errdisable duplex-mismatch feature right? For example, if I check throught the following command on Cat65-SUP2T however it is not supported. Cat65-SUP2T#sh errdisable detectErrDisable Reason De...
Resolved! IOS upgrade for VSS 4550 switches
would like to do code upgrade one at a time in VSS 4500 switches . kindly suggest us if we are able to do that and also share the step by step procedure if possible. because cisco says that we need to completely reload VSS 4500 switch during IOS upgr...
I have Cisco WS-C3850-24T-L x2units (Stacking) running IOS XE Fuji 16.9.1I using Layer2 feature only+ stacking ,but I got some warning about evaluation period will expire. The event log as below:Nov 14 11:54:36 UTC: %SMART_LIC-4-EVAL_WILL_EXPIRE_WA...
I am configuring a 3825 router with a Spectrum Time Warner cable modem. I can ping an ip address and domain name, as will as surf the web from a client / host inside the network. However; I cannot ping a domain address from the router.
Hi, I am studying QoS in networking and I want to use the following feature for my study1. EVC Creation2. Queuing 3. Policer4. ShaperCan anyone suggest which switch to use for the study in GNS3?
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