Switching

I would like to add these dscp values ( for skype for business  ) :    Skype for Business Signaling, DSCP 28, source port TCP 5060:5079Skype for Business Audio, DSCP 46, source port TCP/UDP 50020:50039Skype for Business Video, DSCP 34, source port TC...

What can i do with this situation? G1/0/48 is my trunk port and allowed vlan 1,4,202 and other ports which vlan 1 flapping its my edge ports.

Hi Cisco,   I understand that we cannot purchase Cisco Catalyst 9000 series switch without DNA Network Essential or Advantage subscription. If let say I purchase a Cisco Catalyst 9500 switch today, with 3 years Network Essential subscription. After 3...

Hi I want to upgrade my 4500X-32 which has Supervisor 1 (virtual slot 1) on both Switches and both switches are in VSS mode.   ROM: 15.0(1r)SG11 IOS-XE Version (Current)              3.7.1E IOS-XE Version (Target)                3.8.6E   I want to p...

I am trying to use ACL to block a range of public IP's entering a 2960 switch everything else should not be effected   interface gigabitethernet1/0/1 ip access-group 1 in   access-list 1 deny x.x.x.0 0.0.0.255   why doesn't this work

I thought I saw this somewhere but can't seem to find it again...If two switches are configured with different vlans but on the same subnet:1) Traffic will pass between the switches untagged2) Layer 3 communication will work because the two vlans sha...

I have a requirement to do convert UDP or HLS unicast streams to UDP multicast. I understand that this can be done with the Multicast Service Reflection feature. However looking at the feature navigator it seems this feature is only supported on ISR ...

Hello People, I have a question about the stackwise-virtual configuration. Should i use 2 links for the virtual Link? and should they be in a port channel? or not? The question is because we want to have 2 links for the Virtual link and 1 the dual-ac...

Hi folks,I may be losing the plot but can I simulate unidrectional link failures using fibre to help my CCNP studies? I thought it would be a simple matter of pulling out just the rx on one of my switches but that brings the int down. Is this how it'...

Hi, I have reconfigure my Cisco 3825 for ssh after we lost the config sue to a power faliure. I have reconfigure the same way it was configured before and working properly.now, when I try to access the router using Putty ssh, I get to the authenticat...

How do i renumber a switch ie   when there is an existing switch 3 in the stack?  Do i have to un-provision switch 3 and 4 and reconfigure ? I tried the following below and rebooted but it did not work. conf t switch 4 renumber 3 exit reload

I am attempting to configure two ports for LACP and I am only seeing one interface as member under the PortChannel that I created.I am also seeing a Suspended interface on one of the ports.This is my configurationinterface Port-channel12 description ...

Hi Team,   I want to do some configuration on Nexus 9K Siwitch Please guide for command . and share pdf file for configuration part Its new brad Switch X 2Qty. How to update firmware. (GUI & CLI it any default IP) Basic IP address configration Config...