Hello Experts, is WS-C3850-24XS already EoS? If yes then which is the replacement product? Thanks in advance
Forum Posts
Resolved! Inter-VLAN Multicast routing in multiple switch environment over trunk issue at end switch
Hi Everone,i'm not very experienced in Multicast routing , i would appreciate your help in below issue that i'm facing,here is my setup,Cisco-6509E with few VLAN , Multicast Stream source are present on VLAN3 ,Cisco 6509E ---> port channel Trunk (2 S...
Hello, Which method is the preferred method when connecting uplinks between the distribution and core layers? Is ECMP (L3 individual links) preferred over L3-MEC? The distribution and core layers are configured in VSS. Thanks in advance. Best, ~zK...
Hello im new in packtet tracer and English is not my first language. My packet tracer is 2019 version and I put down a server. i wanna go into services in the server for TFTP, but there are only two tabs like programming and desktop. Is there any go...
Resolved! vlan double tagging
Hello guys, Two questions: 1) double-tagging work in one direction What would be the reason of performing this type of attack ? DoS? 2) Works when attackers pc is connected a switch port that resides in the same VLAN as the native VLAN of the tr...
Hello all, So I know with the Cat 9500 and 9300 it's a global config "system MTU xxxx" and this sets all interfaces to the new MTU. We are having issues of slowness to the VMware servers and in between servers. They are connected via 10G ports, pin...
Resolved! Catalyst 9200 QoS
Dear Friends, i trying to test qos based on vlan on the C9200L-48T-4X with iosxe version 16.9.3. First i created this schemeHypervisor 1 <> Switch <> Hypervisor 2, then i set marking settings on the hypervisors.Next step for test i enable autocos on ...
In the past on any Cisco switch I have worked with- all ports have always been configured by default as ACCESS and have stayed that way. Unless you wanted to create a VLAN trunk, then you had to manually change the port to be a TRUNK port. What I ...
Hello, I've upgraded many Cisco switches and routers before, but never a Nexus where I have 2 to do. I've taken a backup and have been given nxos.7.0.3.I4.8a.bin to install. Can someone help provide the simple steps? Here is a show version: Software...
Resolved! input errors on cisco router
Hello guys!I hope that all of you are well and safe in this crazy time.Is it this errors problem or not and how to fix itThank you in advance. FastEthernet0/0 is up, line protocol is upHardware is AmdFE, address is 000e.837a.8f80 (bia 000e.837a.8f8...
Hello, i have 9k switches, and CSSM Satelite for SMART licensing .The switches was successfully registered to CSSM until yesterday. On every device, we had shown : Registration expired : 29.5.2020. 14:59After that time, all devices went to evaluatio...
Resolved! VTP version 3 practice labs
What is a good way to practice VTP labs without buying expensive switches.I have Catalyst 3750 series switches withCisco IOS Software, C3750 Software (C3750-ADVIPSERVICESK9-M), Version 12.2(44)SE4, RELEASE SOFTWARE (fc1)but it only supports VTP ve...
Hi, I am building a small LAN that makes use of several different VLANs (2, 10, 20 & 30) along with interVLAN trunking via a Layer 3 Switch. I am trying to stop devices in VLAN 10, 20 and 30 from communicating with each other, but allowing for device...
Resolved! Port forwarding not working
HI,am trying to run a webserver, port 80 works, but 443 not working.This is my config. ispocab-nxn#show runBuilding configuration...Current configuration : 4362 bytes!version 15.2service nagleno service padservice tcp-keepalives-inservice timestamps ...
I set up SPAN in nxos switch to capture all traffic (specific interest on one vlan) on switchport Eth25,26,27.Eth24 is plugged into a Linux server with tcpdump running and it is running as the destination. However, the capture doesn't see anything ex...
