Do I have to configure something special to ssh from a Catalyst 9500 to another Catalyst 9500?If I SSH into them from a Windows client, like a putty or SecureCRT, it works fine.But not from one switch to another.There are no ACL's involved, and the d...
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Hello,I'm having some troubles with rapid-pvst as randomly some switches are being isolated from the rest of the network for a specific singular VLAN.The network segment that is interested by the problem is composed by a switch "A" connected to a cor...
Resolved! Nexus 9K NXOS boot mode: LXC question
Hello, we received some Nexus 9k and I just want to know if the provider "installed" the NXOS to make sure it's not unpacking the bin file each time it boot. I'm pretty new to those Switches and the documentation did not clearly pointed me to the ...
Hello, I am considering a configuration in which two or more C1300-24T-4X are connected with DAC (SFP-H1OGB-CU1M) stack cable. 1. In this case, what rules are there to determine the order of unit-id of any switch in the stack ? 2. How to set prioriti...
i cannot ping from blue to green but i cannot ping from blue to orange or green to orange. im using rip to connect three areas
Resolved! Inter-vlan routing problems
Hi all,I setting up a new network for my company. It's a small network for 70 people.For some reason inter-vlan routing is not behaving correctly. sometimes you can ping devices in other subnets other times you cannot. I checked memory, CPU, TCAM and...
I have 3 C9300 Switches configured to use ISIS running 17.12.04 issue was present on 17.06.04 prior to upgrade as well. Each of the switches is configured for the same ISIS area with different SystemID's based upon the switches Loopback0 interface I...
Hi All, I read about this problem online and it said to try https instead of http but this does not work. Login hangs at 70% for any account entered and from any workstation, O/S or browser. Ideas?
Hi I have a pair of C9500-48Y4C in stackwyse virtual mode. I need to use SFP-10/25G-CSR-S as sfp for the 2 SVL. The links don't goes UP as it seem i need to enable RS-FEC. (With 10G-SR it's ok ) My problem is that i don't have the command on SVL ...
Resolved! Cisco 3850 Flash Storage Issue
Ok @flavio thanks for sharing the information on uploading the .bin file to the 3850 but here's the current problem. Whenever I upload the .bin file via usb, tftp, then reload the switch it removes the .bin file from the "flash" storage. How can I be...
[root@localhost .ssh]# ssh -i id_rsa annora@10.2.111.71annora@10.2.111.71: Permission denied (publickey).[root@localhost ~]# ssh -vvv annora@10.2.111.71OpenSSH_8.7p1, OpenSSL 3.2.2 4 Jun 2024debug1: Reading configuration data /root/.ssh/configdebug3:...
Resolved! C9300 Wall mount?
Dear community, I was looking for options to mount a C9300 switch in an IDF with no more rack room. I was wondering if there are any options to mount the switch on a wall. Since neither the hardware installation guide nor the mounting kit consider wa...
Hi Teck People, I could not find the power calculator for C9500 from Cisco. Is there any documentation to know the actual power consumption of Cisco C9500-48Y4C with Redundant Power Supplies (650AC). From Cisco 9500 hardware installation The power ...
Resolved! NX-OS 9k stuck in loader> mode
Hi, I am using NX-OS92 9.2.1 image for my GNS3 lab on VMware. Eachtime I start my switch it goes to loader mode, I have tried boot (image.bin) sometimes it load but mostly it comes back to loader prompt. I have also different versions of the nexus im...
Resolved! weird MAC address in DHCP binding
Hi, i have problem whith Cisco DHCP. On switch C6506 in "sh ip dhcp binding" table are the weird MAC address. What is the problem? The one MAC have more IP address: 158.195.40.46 id ffe6.448a.e400.0100.011d.69e6.3900.16e6.448a.e4 Mar 12 2016 03...
