Switching

I have a Catalyst 3750-X switch that appears to be used for a connection to an isolated network. I am trying to find a way to only allow traffic from a specific subnet to access a single host that is to be used as a jump server of sorts for secure ac...

Hi, I want to change from  bundle mode to install below  is the list of dir flash:61954 -rwx 2097152 Nov 17 2021 11:39:21 +03:00 nvram_config61956 -rw- 305290172 Jul 20 2018 19:49:46 +03:00 cat3k_caa-universalk9ldpe.SPA.03.06.08.E.152-2.E8.bin61957 d...

Hi Community, good morning to the best community on the internet... Last week I opened a thread about updating a switch stack made up of Catalyst c9300 switches. Thanks to Leo Laohoo and Balaji Bandi who clarified many things for me. Now, I am going ...

Hi guys, We've had an issue where an SD card has become corrupted somehow and the switch lost power.Upon boot it accessed the SD card but then failed to boot. My question is, does the switch attempt the internal flash if SD is not working?Any kind of...

I inherited a Cisco 9500 at a remote site that has bypassed the startup config every time it has been rebooted.  I have issued the "no system ignore startupconfig" command and wrote the config multiple times but am still having the issue.  The issue ...

I have CenturyLink Internet service, and they have a 6RD IPv6 deployment where they hand out an IPv6 delegated prefix /56 block to me and allow me to use it as I wish. My Cisco ISR router receives the /56 delegated prefix.   I have multiple VLANs and...

I have a N5K-5672UP with enterprise license and I execute these commands to protect my control plane : control-planeservice-policy input copp-system-policy-defaultThere is 2 issues:When I execute show run copp it does not show anything and even when ...

Hello,I'm wondering if there is any Cisco Core Switch that we could install/have the Wireless controller "as an interface or others"

Hi Everyone,Can someone please help me understand below ?1. Explanation on %LINK-5-UPDOWN message ?2. Explanation on %LINEPROTO-5-UPDOWN message ?3. Scenario when ONLY %LINK-5-UPDOWN occurs ?4. Scenario when ONLY %LINEPROTO-5-UPDOWN occurs ?5. Scenar...

Hello,Need help for below please.Below is the kind of topology I have, and I want to connect behind L2VPN network. with the configuration I did, I can see traffic in on the physical interface(0/0/0/1) connected to the L2VPN network but no traffic out...

I am working on a cisco 9300 switch with the 17.3.3 software installed. it has been configured to require a logon to enter privileged exec mode, but when we go to verify the configuration worked it does not require the logon. Myself and another engin...

Hi All,This probably has a easy fix.I am trying to configure LAG between 2 Cisco Stack Switches (SG350X) on one side and with a ESXI hypervisor hosted in a Lenovo IDRAC. There is only one NIC in the IDRAC with 4 slots in it.The problem I experience i...