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Forum Posts
We have ip arp inspection turned on and dhcp snooping on all 3750 switch stacks in our org. We noticed a bug in Windows 10 when you browse for a printer, it instantly trips arp inspection and the port goes errdisabled for some time before re-enablin...
Resolved! download IOS release 12.3(7) JA
hiplease can you tell me from where i can download IOS release 12.3(7) JA or earlier for access point 1200 i want to use it in autonomous mode ( do i need this IOS or i need another one how i can get valid Cisco CCO logon account i have Guest-only ac...
I see a lot of total output drops on my 2960X, not on all interfaces but on some specific interfaces. I have two of WS-C2960X-48TS-L. The switches are connected with to other using LACP on port 45,46. Each of the switches have 7 nodes (servers) runni...
Hi,I am having an issue with a working Cisco Catalyst 2960G. I have amber lights with System and RPS.I have connected it through console. At least the OS gets started. However, the following message appears:!!! WARNING: The switch is not usable !!!Un...
It appears all of the link to the 4900M pages redirect to 9300/9400 pages. E.g. This page: https://www.cisco.com/c/en/us/products/collateral/switches/catalyst-4900-series-switches/Data_Sheet_Cat_4900M.html Redirects to this page: https://www.cisco....
Resolved! Port Buffer
What is Port buffer in switch or routing environment ?
Hi, the Fex 2248TP-E is supported on the Nexus 93180YC-EX like this table says https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/hw/interoperability/fexmatrix/fextables.html But i need to connect them through a CVR-QSFP-SFP10G with ...
Hello, Please someone can help me solve it? SW A where this message appears interface GigabitEthernet1/0/1 switchport trunk encapsulation dot1q switchport mode trunk spanning-tree portfast interface FastEthernet1/0/7 no logging event link-stat...
hi:I have problem with my CNR installation. DHCP server cannot be started.nrcmd> dhcp show100 OkDHCP@localhost: activity-summary-interval = [default=5m] addr-blocks-default-selection-tags = addr-blocks-use-client-affinity = [default=true] ...
I have tried to post this for over an hour and each time the system says nothing I choose for a Title is available so I just accepted this random title it will allow in hopes of getting a response. I have a Huawei HG8245Q2 Optical Network Device th...
Hello, How do you specify the multicast PIM RP-address when the intended RP is a pair of router's running HSRP? I have tried using the commands documented in 'HSRP aware PIM' on the router interfaces, and declaring the RP using the standby (vip) a...
Hello, I have a need for 2 ToR switches to support a VM server platform within a single rack. The switches needs to share a total of 18x10GbE (SFP+ or RJ-45 for the servers) ; 5x1GbE (RJ-45 for management) & 2x10GbE (SFP+ connection to Core LAN archi...
After reading several similar threads I'd like to start a new one. We are seeing increasing output drops on 2960X and 2960S ports in a specific circumstance: A port is connected to a 6961 or 6941, AND the phone is supporting a computer or other dev...
What I'm trying to accomplish is NAT all internal traffic to the internet via overloading but exclude the NAT operation from a specific source network. Stripped down config from CSR-1000v below. This config is NATing all traffic from the 10.30.63.0...
Resolved! Catalyst 9500 Stackwise Virtual
Can you run Stackwise Virtual on more than two switches? For example, if I wanted to have a stack of (3) Catalyst 9500-40X switches, could I do that?
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