Switching

Good afternoon everyone,Came across a curiosity as I was doing some network hardening for my campus network. I started blanketing access switch interfaces, spread across many vlans, with a configuration that included "ip verify source"~~ex.interface ...

I have been task to turn a immature network into something that looks more standardized. I wanted to create a Network Design with Collapse Distro & Core with a single WAN connection and two core/distro switches. Question 1.) For FHRP, what connection...

 I have a question about HSRP and ACL configuration on Cisco 4506 and 4506E switches.Initially, without HSRP enabled, I configured the following ACL on the VLAN 55 interface:Extended IP access list vlan5510 permit ip any 192.168.104.32 0.0.0.1520 per...

I know this has been discussed, but my situation may be more unique. We were having issues with a 24 port POE 3850 not being able to power all necessary cameras (13 I believe). It has two 710w power supplies which is more than enough for this applica...

We are in the process of replacing a legacy Juniper Core switch with a 2 stack Cisco 9300 configuration.The VM Hosts within the environment are all configured in the current Vlan 1 on the Juniper switch.We are trunking to these hosts.We have the foll...

Hello to all, 877 have just brought a shindy but I have problems to form the fastethernet, on having tried to form an ip address it(he,she) appears: IP addresses may not be configured on L2 links.Since I can solve it? I have tried to use the SDM but ...

I have a pair of 6880-Xs in a VSS pair with a strange configuration. I wanted to get some opinions before changing anything. The switches are connected by MM fiber as follows:Te1/5/1 <-> Te2/5/1Te1/5/2 <-> Te2/5/2The port states are:Te1/5/1 - connect...

I've got a VSS pair of 6880-Xs in a VSS pair running 15.2(1)SY6 as the network core switch connecting to various IDFs with a pair of fiber in a portchannel. We also have some monitoring software that pings the IDF switches periodically go see if they...

Our IP address on our domain controller has changed.  Do I need to change the IP address in all the configuration on the switches that were associated with that IP address?  For example the command line was -"ip host FQDN 12.12.12.12" and now we have...

Hello all, I am trying to get into ROMMON on a C9300 switch. I was attempting to get the switch on our Meraki dashboard and missed a step during the configuration/onboarding and would need to start the process over. I have followed the steps as indic...

hello eveybody we have 2 switches where they have same configuration with snmp and access list but still yet they are not working one does work fine and sends alert while the other doesn't send any alert i tried pinging zabbix there is ping without a...

Hello, We need to configure ERSPAN on cisco 3850 and 3650 Switches The source ERSPAN will be C3850: with the below configurationmonitor session 11 type erspan-sourcesource vlan 2140 - 2141destinationerspan-id 100mtu 1500ip address 10.137.200.1    "C3...

Hello Pros, I was trying a Brand new Cisco 9200 Catalyst switch to Latest IOS firmware.  I was able to upload the Image successfully. I would see it in the flash: But when I gave command show version it was showing the old Image. So I was trying to c...

Switch: Cisco C9200L-48P-4XIOS XE Version: 17.12.03 (cat9k_lite_iosxe)IP Phones: ShoreTel 115 and Yealink T30PAccess Points: UniFi AC ProAll switch ports are functioning for data transmission, but none are supplying power to PoE devices. I have alrea...