Greetings,I have a Cisco 9300 access switch that cannot ping one particular server from the switch CLI or from a device connected to an interface assigned to VLAN203 or VLAN760.Another Cisco 9300 access switch in the same IDF, connected to the same u...
Forum Posts
hello,my name is martin and i am trying to configure a multilayer switch in packet tracer 8.2 for a project in openclassroom.i have searched the internet but i cannot find any relevant information. so you are my last hope. there is plenty of informat...
Hi, I have a Nexus 3064 where is connect a L2 protected.When I have a fiber cut, provider switch automatically to backup line withouth problem. When master is going up, they cant switch to the master because flap of Nexus port is <50ms.They tell me t...
Resolved! 9200L 48 port stacking recommendations
Hello Friends I'm touching base on behalf of a client of mine who has a quantity of two 9200L 48 ports switches. However and unfortanetly did not purchase any stacking modules and no stacking cables. It seems like there are two possible scenarios and...
Hello, I am having an issue where my 9404r switch with a supervisor 2xl losses the firmware update. I have two switches stacked together. Updated via the webgui, in; install mode and to the bootflash. The stack rebooted on its own after 2 hours of ru...
Hello.Below output is from a 2901 router DMVPN tunnel interface.QUESTIONS:Why is the MTU size different between these outputs? What exactly means "Tunnel transport MTU 1472 bytes"?Why is the second bold data so specifically "MTU 17912?"Thank you!---(...
Resolved! Switch name
Hi all! I have around 100 switch and I have IP phones connected to those switches, Iam having the IP address and MAC address of the phone and I need to know which switch is that phone connected to it.When i login to L3 switch and type show arp | incl...
Hello Community! I have a problem, when I click on show logical view it just shows "F".
Dear Support Community, troubleshooting a multicast case I hit on the ip option "Router Alert". It looks like Cisco has implemented the ip option "Router Alert" for sending igmp querys beginning with IOS 15.1SY version, see attached Wireshark Trace....
Hi All,I have encountered odd issue, I was running tests on network cables connecting back to Cisco 9300-48P PoE switch. I was using Fluke LinkIQ network tester and occasionality I encountered message: "Unexpected Voltage, 3 SH 4.0 V"If we break down...
How many vlans can be configured on a single port of a switch?
I am currently working through the CCNA official cert guide and I got this question wrong:Imagine that you are told that switch 1 is configured with the dynamic auto parameter for trunking on its Fa0/5 interface, which is connected to switch 2. You h...
HiI need to place an obsolete stack of six AVAYA ERS4826GTS-PWR which our distrib layer switch. Could you please advise what Cisco product could at least match this stack's perfoprmances. Thanks in advance for you answer
hi, i have stack of two c9300 switches 24S and 24T. Download page has different dowload links fot these different version of switches but sha256 signature are the same for these bins, so I guess that ioses are the same and that install procedure in w...
Is it normal behavior for the speed and duplex settings to go away when an SFP is inserted into a TwentyFiveGig port? I'm not using an official Cisco brand SFP so I thought maybe these FS.COM 10gig sfp units aren't working as intended. Catalyst 9500 ...
