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Forum Posts
Hi all, I would need to change the MTU to 1504 on a C3650-48TS to support Q-in-Q, but it's not clear to me whether a reload is required in this case. In this document, there is no mention of a reload; https://www.cisco.com/c/en/us/td/docs/switche...
Resolved! ipv6 static route
what are ipv6 static route types ?
Hi community, I have a question on interface templates. I created one and want to apply to a trunk port which contains the "usual commands" with vlan filtering. Can I apply the template in parallel and will there be any downtime or impact on traffi...
Hi Guys, I have successfully implemented 802.1X port authentication in our environment using a Windows 2016 NPS server as the Radius server. I’m happy to say that the configuration is working as expected. My boss has recently had some complaints fr...
Resolved! Ethernet
what does ethernet uses , csma/cd or csma/ca ?
Hi, My Catalyst 6509 with Supervisor Engine 2T have high cpu utilization issue, we hope to know which traffic imapct and cause the high CPU utilization. As I know the Supervisor Engine 2T not support the "monitor session type local" command. Is ...
Hi all, Anyone has bought or has some experience with SG350XG and SG550XG Cisco Stackable Managed Switches? I was wondering if they are good value for money. I understand that they are non-IOS and the low end of the switching portfolio. Thank you,...
Dears, can i know from i got the latest firmware of SW and Rs ? instaed of cisco.com ? thanks
Hi all,I'm currently configuring IPv6 First Hop Security in our infrastructure (Cisco 2960X Switches). I found out that RA Guard when configured in host mode also blocks Router Solicitation Messages (ICMPv6 Type 133) and not only RA messages. This ca...
I am testing out mac bypass and I am running into a problem with Cisco IP phones not authenticating during boot up. If I plug my pc into the port on the phone my PC shows up in my authentication server and passes authentication just fine. If I unplug...
can i apply port security for dynamic and static trunk ports ?
Gi1/0/1 - 1/0/6 and Gi2/0/1 - 2/0/6 are access interfaces and connected to 6 ESA hosts' management interfaces set to active/active HA. 1/0/2 and 2/0/1 are constantly flapping. STP shows all 12 interfaces Desg FWD Cost:4 as expected. The ESA's ...
Hi guys, Is there anyway I can check for all the commands related to a certain configuration on a switch/router? For example for "Policy Based Routing" configuration, is there a way for to list all PBR commands if there is a need to remove them fro...
When a trunk is created, there is an concurrent Native VLAN designated, whose function is to pass "untagged traffic" along that same trunk. Untagged traffic passes on the Native VLAN. Got it. From where does "untagged" traffic originate, and what is ...
Resolved! DCE and DTE
A router DCE device or DTE device ?
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