Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
A core switch maintains an ARP table that maps a devices MAC address to its IP Address. You can easily display this table by entering "show ip arp" but it isn't sorted and on a large network will contain thousands of entries. I wrote a simple pyth...
Hi All, I am stuck with an issue of SIP Trunk Between CME on 2951 and Huawei SOFTX3000 I am unable to make calls and also cannt recieve calls.My phone rings when there is incoming call but when i pick the hand set there is no sound.Similar is the cas...
Dears, I have 2 Cisco Routers 1841 connected to ISP ADSL Router this 2 Cisco routers have static ip and there are routing to the gateway using this ios command ip route 0.0.0.0 0.0.0.0 41.22.11.22 This IP 41.22.11.22 is the gateway also the ISP ...
The topology is like this (sorry this is the best I could do in draw.io): The router in the middle is a GRE head end router. Traffic coming into Gi0/0/0 and Gi0/0/1 is native IP and traffic going out Gi0/0/2 is GRE-encapsulated traffic (not enc...
Hi! after unsuccessful firmware of my router, I try to flash it through UART. But putty tells me: cfe_led_init: start to set power LED and switch LEDs. Invalid command: "et" Available commands: Broadcom CFE version 1.0.37 for BC...
Resolved! Packet Switching
In packet switched networks what affect the size of data packets make on the efficiency of the network, explain in detail?
Hello, Do i need o use a nat-traversl ipsec option when using a destination nat before the one of ipsec hosts? Im talking about public cloud instance. Thank you
How to bind the Virtual interface into physical interface. the main objective for do this is i want to forward the packet to the virtual device to monitor the traffic Regards Tamil Valavan Shanmugam
Resolved! 2960 XR
dears, I have a 2960 XR switches with latest IOS on that but I don't see any control-plan command on the switch, can anybody guide me the how we can control packets for control plan and data plane on 2960XR switches. Is it the below command is in s...
Hi all, Using the above image as a reference point, you can see that with the configuration guide for OTV best practice, we'll break inter-vlan routing between DCs. Here are some logical steps one might take when troubleshooting this: 1. Why no...
Resolved! connect layer3 switch
Hello guys I have a network with two layer 3 switch 3560cx and two routers in the middle 4300 I also have a pfsense firewall connected to the first switch which allow to get access to internet. I can access to internet from all the servers connected ...
Ok, this might be simple and could be a licensing issue. I have SVI for several vlans, on vlan between 2 5K's. I can ping back and fourth and can ping the SVI address of the other vlans, but the ip's withing the vlan cannot ping outside and route to ...
I recently upgraded to version 8.2(1). I then installed an M3 card after the upgrade for an M3 and F3 mixture in the chassis. I know F3 supports layer 3 functionality, however M3 is more of a layer 3 card. If the M3 card fails or i remove it, wha...
Resolved! stacking 3850 24t
Hello guys, I have to make stack of two switches 3850 24t. I have one switch in the production and I want to add another one. First switch, the one in production is: 1 32 WS-C3850-24T 03.03.00SE cat3k_caa-universalk9 INSTALL cisco ...
Hello, Our WiSM 2 is not functioning properly and we can not bring it online without risking network downtime, so is their anyway for me to disable the networking on the Catalyst's slot so that I can plug in the WiSM 2 and work on it from seria...
