Hello, I am trying to configure an access list on a L2 switch it should block ICMP from all except a two, from those two I should be able to ping, or ssh to a specific machine. All device are configured in the same vlan, can someone help me please?
Cisco IOS XE Software, Version 17.06.04 ------------------ show stackwise-virtual dual-active-detection pagp ------------------ Pagp dual-active detection enabled: YesIn dual-active recovery mode: NoRecovery Reload: Enabled Channel group 3Dual-Active...
Hello, everyone. I've just started with MSTP so I started on viewing and reinforcing topics that I already know from the previous STP/RSTP versions by examining the MSTP BPDU. However, the structure of it confuses me a little. I have this simple MSTP...
Hi, I'm currently dealing with the topic of 802.1X and have a question that I would appreciate some help with! I would like to authenticate a wired client using MAB so that it can access restricted central resources in the first step! If the MAC addr...
I am getting the following error message when trying to upgrade a 3850 IOs ver 16.06.06 to 16.12.09The full command to install IOs: Request platform software package install switch all file flash:cat3k_caa-universalk9.16.12.09.SPA.bin new auto-copySw...
I have one switch cisco Nexus9000 C92300YC having NXOS: version 9.3(11).On this switch, I am able enable Multineighbor support for LLDP.Recently we got a new switch cisco C9500-48Y4C having Cisco IOS XE Software, Version 17.09.04a.In this switch, I ...
Note: The password given in this post is an example only.Hello all, It is the ungodly hour of 12:59:59 AM 8/8/2023 CST at the time of writing this.I have finally fixed most of my configuration issues and gotten the cpu usage below 99 percent ( about ...
Please no pedantic responses, I don't care if my wording/terminology is correct or not, all I want is 1 command that will let me see the hardware-address attached to a reservation pool, when I type:sh ip dhcp pool <poolname>I don't get the hardware a...
Hello guys.The question is about prioritizing SSH traffic from my PC to Linux server: My PC with SSH <-> Cat 9300 <-> Cat 4500 <->Cat 3750< - >Linux server I configured policy only on Cat 9300: 1)access-list 101 permit tcp any any eq 22 2)class-map S...
Vendors such as Lawo and others are suggesting that, when configuring a Catalyst 9200 or 9300 series switch for media networks, such as ST-2110 and AES67, that each device on a physical port be given a /30 address to reduce chances for flooding. Most...
Guys,Just check looking below topology, pls suggest if we can configure LACP Port channel between 2 remotely connected switch.these location connected via ISP in between,LACP Protocol Configuration between 2 Remotly connected Switch
Hi Community,Recently I stumbled across a strange behavior on our Cisco 2960 switches. We've a local user which can login to the switch.However, when I check in the run-conf, the user doesn't appear to be configured in the local db.Login user:Switch1...
We have sonic wall firewall enabled dot1q with sub interface vlan 1 vlan 2 vlan 3 vlan 21 and vlan 22 on nexus switch we have enabled inter vlan feature and configured interface vlan 1 with ip address 192.168.1.254 and default route point to sonic wa...
Hello all, I have 5 switches in my LAN, one of which feeds our OoB management LAN to the management port of the other switches. All are C3850-24SX switches. I'm having an issue with one of them. We have a requirement to set an "access-class MGNT in...
Hi, I have one switch cisco Nexus9000 C92300YC having NXOS: version 9.3(11).On this switch, I am able to run any of the "show command" even in configuration mode.Recently we got a new switch cisco C9500-48Y4C having Cisco IOS XE Software, Version...
