I have several Cisco switches which I want to run 2 sets of LAN IPs on, one set of LAN IPs are distributed from Router1 via ethernet, Router2 via sfp ports. The root switch is an sg500-52 with 4 optical ports.What is the best way to keep this traffi...
Forum Posts
It say that an isolated vlan can not communicate with another device on a port with the same isolated vlan so is it just point to point makes it a private vlan.computer to switch then what is the purpose since it can not communicate on the same vlan ...
When I try to create an uplink between the above two switches through an SFP port, I get the following error on the IE 2000 switchWhere is the problem and what is not set correctly in the switches?
First time setting up multicast routing and I'm having some trouble getting multicast traffic to route between VLANs. I'm trying to use PIM SSM on a Nexus 5500 platform running 7.3(8)N1(1). Use case is a Grandstream VOIP PBX (UCM6304) sending a mul...
Resolved! CBS350 auto voice vlan on access port
I have a CBS350 and wondering if part of the requirement to get voice vlan to work on a port to a phone/pc is to make it a trunk? Is there a way to get a phone/pc to work (on different vlans) via configuring the port mode access? We do this on C9300s...
How can I emulate switch in GNS3 for learning purposes to practice building real lab for CCNA/CCNP certifications. I love GNS3- it is a great tool which can run real Router IOS, but still limitation for learning switching functionalities. Please up...
Greetings Kindly guide me to resolve the below issue Our new 9300-24p deployed as core switch is not able to establish link to new access switch uplink having sfp-10g-sr-s. The uplink port on core switch te1/1/2 led is blinking green amber while th...
Resolved! Amber Light
We are attempting to connect a C9200 (L2) switch to a C9500 (L3). Done this many times but for whatever reason, having issues with this setup. We have a direct fiber connection between the two. But receiving Amber light on the Rx side of the fiber ca...
Hi all,I have the following doublesided vPC topology wfwSay, vlan 10 traffic passes through NX9K3, instead of using the port channel, it goes through the vPC peerlink, and through NX9K4. STP is blocking the port channel, and designating the peerlink,...
Hi Team,I am trying to connect between 2 switches on Fiber.Switch 1 - WS-C2960-24TC-L Switch 2 - WS-C2955C-12On 2955 side I have the fiber with MT-RJ Connector and LC connector on 2960 side.For 2960 side I have two models of SFP (GLC-FE-100FX and GL...
I tried to upgrade the 2960L switch with latest IOS release but even after reload it not upgraded. What was the reason for same?PFB logs:#sh ver | i IOSCisco IOS Software, C2960L Software (C2960L-UNIVERSALK9-M), Version 15.2(7)E6, RELEASE SOFTWARE (f...
Issue- Devices that have a static IP address on Cisco 3850's running 3.6.8 or 16.12.7 that get replaced by a replacement device do not clear from the tables. A printer fails, and we replace with a new printer with the same IP, the new printer never c...
Resolved! SPAN RELATED
Hello Team,I am having confusion on Span port. Please consider below topology in which there is 1 L3 Core Switch and 3 Access Switches and I have configured SPAN session on core switch and connected system to G1/0/1 with wireshark will that system ge...
Hello,I need help with the switch C9200L 24-port PoE+ 4x10G, firmware cat9k_lite_iosxe_17_10_01_SPA.The switch performs a random self-reboot several time a day.Switch doesn't work in stack.Any idea?
Customer have 9500 as a standalone with essential DNA. Now customer wants to upgrade DNA-E to DNA-A. Suggestion will be C9500-LIC=. But I want to know actual process to deploy upgrade license to hardware.
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