Switching

Hi, I am trying to understand how my customer's setup is working properly. I told them it would not work, but they proceeded to buy the unmanaged switch and it is now working. So embarrassing. Here is a brief diagram of the setup. Phone ---- Unmanag...

Hi all, I will upgrade my 4500-E without lose client services (using ISSU), someone can help me to find the right procedure ? this is the actual release :03.06.03 this is the release to put in the device :03.06.04 I found this white paper http://ww...

Hi, I am posting here after raking my brain and the internet for a possible answer short of opening a TAC case. So as in the diagram attached I have a pair of 6500 and a pair of N7K talk over a vlan on non vpc trunks between the 4 switches, althoug...

Hi ,it has been many days trying to establish vpn remote access based on certificates. i have cisco royuter 1900 and im trying to use it as remote access vpn based on certificate not based on preshared key. actually i followed a video to help me in c...

Hi, We're trying to connect our Nexus 9372 to an IBM V9000. We've got the QSFP cable connected, I would expect to at least see L1 connectivity but the port is showing as not connected. Very simple config for now - interface Ethernet1/49  descripti...

Hi,   I have a problem with etherchannel in WS-C3650 :   In my LAN network, I have two C3650 in stackwise mode for Core and three C3650 in stackwise mode for access modul, when I apply a etherchannel configuration I see this error :   Apr 27 12:32:04...

I'm looking into 10gig switches was surprised to see their shared buffers seem to be lower than 1gig models. For example, a nexus 3000 series has a smaller buffer than a 4948. Would I be correct in assuming that on a 10gig switch the amount of tra...

Hello All, I have inherited a fairly old and badly designed network infrastructure, I have been pushing for capex to replace it all. So I am hoping that someone can confirm that this would be a good catalyst for my directors finally pull the trigger...

Hi Friends, We are planning to Replace our Core Switch (C3750- 2 Nos, configured with HSRP) with Nexus N9K-C9372TX (2 Nos). Existing core switch (C3750) configurations are mentioned below. 01. Network Attached Storage (Net App) Configuration. NAS ...

Hi Whether below config on catalyst 4500 switch is ok ? port type is access. Do I need to remove switchport nonegotiate command or its ok ? interface <<interface>> description <connected to firewall>  switchport private-vlan mapping <<primary_vlan>> ...

Hello, I have an older Catalyst 2960G switch which I would like to connect redundantly to my two upstream Nexus 5672UP switches. For that purpose I would like to connect Gi0/47 of the catalyst to Eth1/33 of the first Nexus 5672UP and Gi0/48 of the ca...

recently port security been implemented to my environment as shown in the below commands , i think if other phone and pc got connected it will have it traffic drop correct? my question is how do i configure the new devices with the new mac if the old...

Hi all, We have cisco 3945 router with 45mbps of BW and we have around 40 PCs in our lan, we need to create a ip based bandwidth capping, ex 192.168.10.2 should get 2mbps of speed and 192.168.10.3 should get 3mbps of speed. Please advice.

I have a vlan 200, named xyz, how to display IP address for that vlan?