Hi,As the title indicates. I have a 2960X switch that has two SFP+ interfaces. From everything I've read the SFP-10G-SR module should work in these 10 gig SFP+ interface.However, I get zero activity when I try to use these SFP-10G-SR module. Here ...
Forum Posts
Hi all,After successfully moving two C9300 stacked switches without powering them off or affecting the network... we had a power event which forced them off Anyway, they powered back up ok and everything is running except a strange issue with the 10g...
Community,I have one of my IT peers whom is in the process of implementing Rubrik boxes for Cloud backup at both our Headquarters and at our DR site.Each box will live in the Servers vlan in each respective site.We route between those two sites via a...
I have assigned port 48 as the management port on a 2960-S. I assigned it an IP address at initial configuration. I have a laptop plugged in to the management port with a link light. The laptop has an IP address on the same subnet as the switch. I am...
I have a complex network that is already running, there is a condition where I need an additional IP address because the IP address is almost full, is the best solution to create a secondary IP address on the same interface or do I change the subnet?...
upgraded a bunch of switches to the latest recommended IOS version of c2960x-universalk9-mz.152-7.E9bin and out of 4000 switches upgraded, 20 are reporting faulty POE ports with the below errors, in most cases there is nothing plugged in to these por...
Hello guys, many thanks for help from you. Quick question, if we have this in config: line vty 0exec-timeout 5 0password somenthinlogging synchronousloginlength 0line vty 1 4exec-timeout 5 0password somenthinlogging synchronousloginline vty 5 15exe...
Would be possible to connect C9200L-48L-4X (C9200L - access switch) to C9500-16X using SFP-H10GB-CU3M cable DAC? I have this doubt because SFP-H10GB-CU3M is a passive twinax cable...
HI we changed a old switch CIsco 2960 to a new Cisco 9300. Sw9300 connects to the existing Cisco 3750G via SFP Fiber. this a test flat envirorment with only one vlan and some servers . Everything was working prior to this change. Now On the CIsco 930...
We have 9404 switch with code 17.06.05It has two Supervisor in slots 2 and 3.Slot 2 - 2/0/1, 2/0/2 and Slot 3 - 3/0/1, 3/0/2 are 1 gig fiber ports.All 4 ports are in same port channel and going to upstream switch A and B where they are also in same p...
Resolved! LACP issues between C9300 and C9200
Hello all,i have a problems with setting up LACP between 2 x C9300X-48TX in stack and 2x C9200 in stack. On 9300 i have C9300X-NM-8Y.on 9200 we haveint Te1/1/1 and Te2/1/1chanell-group 1 mode activePo1switchport mode trunkswitcport trunk allowed vlan...
Hello everyone , Please can someone help me with my issue acI'm experiencing a recurring issue with my C9200CX-12T-2X2G switch. Every 2–3 days, the switch unexpectedly reboots and enters ROMMON mode. When I try to access the flash from ROMMON, I rece...
I work at an enterprise level network and wish to upgrade the version of a switch C9200L-48P-4G with Gibraltar version cat9k_lite_iosxe_npe.16.12.03a.SPA.bin. This version is vulnerable to Cisco IOS Software Command Authorization Bypass (cisco-sa-aaa...
Hi All, While I find IOS XR to be very powerful and flexible, especially with the RPL, I have found a few things that appear to be missing, which are completely possible under the classic IOS... For example, performing OSPF route filtering based on t...
Our core switch handles all our VLAN interfaces and you can telnet to the switch using any one of the VLAN interface IP addresses. I would like to lock this down so that you can only access the core switch using the management VLAN interface IP addre...
