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
For quite some time now, I have been getting the following in my logs:Nov 21 15:40:42.390: %MCAST-SPSTBY-6-ETRACK_STATS_LIMIT_EXCEEDED: Number of entries in IGMP snooping explicit-tracking statistics has exceeded the maximum limit (32000)Nov 21 15:40...
Resolved! Private BGP AS
Hello All, We have about 10 different sites of our organisation that are spread within the same country.Each of these sites are connected to our network using private MPLS connection provided by a service provider. All the sites are currently running...
Resolved! Campus design question
Hi guys, I have a campus (warehouse) with 60 access switches to connect wireless access points, printers, computers and picking devices. My core is collapsed with distribution and I have two separated rooms for high availability with one Cisco 6509...
Dear all, I have been looking for exact document when Router's STP self-looped happen on the Switch Port. So generally if the original BPDU returns in its Catalyst switch itself then the port status changes to BLK with self-loop right? However i...
As the title states.. is it possible even to do an issu upgrade while having 2 9500's in stackwise virtual (running 16.8.1) and try to update it to 16.9.1? So far when trying it just brakes everything :-) followed this guide to no avail. https:/...
Hi, i have a network with redundancy HSRP between my two cores, but one of them it stopedd working. does not recongnize standby commands, i try to enable with standby console enable command but it does not work. the configuration in the switch i...
Dear Sir, Please let me know different between virtual stack (2960-l) and stackwise virtual .what is pros and cons ? Please explain me ?
Community, Encountering a strange issue where a mac ending in f3a2 is supposed to be on interface gi3/47 on a 4500 switch. We started having issues on it and shutdown the port to test further. Even though the port has been shutdown for 2 hours...
Switch#show runBuilding configuration... Current configuration : 6508 bytes!! Last configuration change at 07:38:02 UTC Sun Sep 9 2018!version 15.0no service padservice timestamps debug datetime msecservice timestamps log datetime msecno service pass...
Hello all, I have an ISR-4331 with 2 VRF's . One VRF Connected to an MPLS Circuit (BGP) and one VRF to the local LAN (OSPF). I'm trying to leak some routes from the MPLS into the OSPF VRF but I can't get this to work, not sure what I'm missing. ...
Hello, we have a stack of 6 "SG500-52P" switches. Connected via SFP-H10GB-Cu1M cable. Interface Speed is 5Gb/s. FW is 1.4.9.4 Boot Version is 1.4.0.02 Stackmode is Native Stacking. Ring Topology, Layer 2 Mode and 4 Queues. EEE is off. For the...
Hello, I'm new to vPC technology. I read many informations on the loop avoidance mechanism which rely on "logics implemented directly in hardware on vPC peer-link ports". vPC loop avoidance rule states that traffic coming from vPC member port, then ...
Good morning, I have inherited CISCO Router, I need to change password as it has a very weak password. I do know the current password, but need to change it. I am new to CISCO and not a networking pro. Most of search I did , was to flash the router...
Hello! I have a little problem...On the CISCO 2960X switch, I configured Server DHCP as below: ip dhcp excluded-address 192.168.0.1 192.168.0.10!ip dhcp pool Vlan1 network 192.168.0.0 255.255.255.0 domain-name de.obi.net default-router 192.168.0.1 dn...
Hi, I'm working for a client that wants to implement VMware NSX has overlay but wants a new network for underlay too. I'm working on this underlay. They will add VXLAN with NSX after this. He wants a spine/leaf architecture. The easiest way would...
