Activity in Technology and Support
IE-3400 switch l2nat causing connectivity issues
Newly installing these Industrial switches for our PLC networks uplinked to C9200 switches. We are wanting to use some of the ports for l2nat and have gi1/1 as the uplink with the associated vlan (2009). L2nat works perfectly, but we would like to ...
redundancy in core layer
hi guys . i have a network with below topology. In the core layer, I want to have redundancy, which means that if the main core switch of my network has a problem, the backup switch will automatically enter the circuit. What method is there?
Cisco Jabber doesn't send PRACK
Hello Forum,Trying to understand the below.Call flow:Jabber -> CUCM -> CUBE -> ITSP.Invite to CUCM -> Invite to CUBE100 Trying to Jabber <- 100 Trying to CUCM from CUBE183 Progress -> CUBE and 183 Progress to CUCM-> At this point CUCM sends a PRACK t...
Loading config from file doesn't import MAC address table.
I'm using a 9200 device running IOS 17.9.I use a script and spreadsheet to generate my config file, which I then copy onto my devices via TFTP and then copy to the running config. Nothing unusual there. However, if I then ask the device to show me th...
Upgrading 1 access point in ME from 8.5 to 8.10.
I am trying to upgrade my 2801i in mobility express from 8.5 to 8.10. Note:- My main wlc is already in 8.10, I need to upgrade another access point so that it can join main ME WLC.
EEM scripting help
I'm trying to have EEM script where I run the script manually and it display the output of the results in the session but for some reason I'm unable to do so. This is what I have so far(config)#event manager applet TestCommand(config-applet)# event n...
ASA5516 Recommended software version
I am configuring ASA5516 from scratch and trying to find out the current recommended versions.Could you please advise?Curretly:ASA Software Version: 9.8(2)Firepower Extensible Operating System Version: 2.2(2.52)Device Manager Version: 7.9(2)152
Rebuild Cisco ACI with a new version
Hi, we have a Cisco ACI in our LAB enviroment with an older version 2.2. We'd like reset/clean all the fabric (n.3 APIC,n.2 Leaf and n.2 Spine) and restart with a new version, the 5.2. Our hardware support it We don't need the backup of actual config...
Resolved! Can CUCM be used to route calls between different sites?
I'm involved in the following setup illustrated below. I am Site 4. I have a SIP trunk via the CUBE to Site 1. Calls route between Site 4 and Site 1 with no problem. Is it possible to use Site 1 CUCM, to route calls from Site 4 to Sites 3 or 2? Is it...
Cisco AnyConnect Umbrella Roaming Security Module
Hi,So was reading up a lot on the difference between the Cisco Anyconnect Roaming Module vs the Umbrella Roaming,Its clear that best practice is the Cisco anyconnect option as UR is EOL in a few months, so we recently deployed the new client company ...
Puzzling results when pasting in ACL config to switch
Hello, I was creating 2 decently large ACL's to match some traffic today and I noticed something peculiar that has me puzzled. My first ACL has approx 90 ace's and pastes them fine. When I go back and look at the ACL, it looks like there are only lik...
Two Mac addresses from the FTD 2110 MGMT interface
Hello, I deployed a new FTD 2110 on our company network and I'm seeing two different mac addresses on the switch port that the MGMT interface is connected to. I know that the one mac address is associated with the actual MGMT interface, but can anyon...
Wired Guest issues in foreign-acnhor setup
Wired guests are not able to get out to internet, they can ping only at when payload is set to 1300 bytes or lower, this seems like an MTU issue, but its only effecting wired guest not wireless guest. Setup is a 9800 foreign on 17.9.5 code and 5520 a...
C9800-80 in HA cannot install APSP6
Hello everyone,I'm trying to figure out a frustrating issue. Attempting an install of APSP6 keeps bombing out and I'm unsure what steps to take next. Software: Version 17.09.04aROM: 17.3(3r)Error in question: Dec 13 21:21:01 Eastern: %INSTALL-3-OPER...
Client roaming between APs at high traffic load cause 3 second gap
We are operating our vehicles remotely in the underground mines over Wi-Fi, the data load from the machine is constant around 30Mbit/s (yes, six to eight HD-cameras).When switching between APs we have noticed that we sometimes get a transmission gap ...
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