Hi, I am getting many transmit discards on 6509 interfaces on a specific vlan every 15 minutes, generally within a minute of 3:00, 3:15, 3:30 ect... I have confirmed these discards are impacting video traffic on that vlan. We get a burst of CC erro...
Forum Posts
Hello,I applied the monitor capture as listed below - c4500. However, I am only able to see one-way communication, meaning only traffic leaving the source IP defined in ACL, but no incoming traffic is seen on the capture. ip access-list extended MonC...
I have some weird behavior. My Cisco Catalyst 9200 switch reacts slowly on whichever command i type in configuration mode, while in exec and enabled mode it reacts at normal speed.It is the same behavior in on SSH as on Serial. 2 days ago I did confi...
Hello Everyone, I am currently encountering an issue after upgrading 2 4500X in VSS. One of the switches has boot in Rommon. After a lot of reloading, booting in Rommon, and unable to establish VSS again, I've decided to convert them back to standalo...
Hi, Guys, I am far away from such configuration.Any document or article about the these configuration in Cat3850 and Cat9300 ? I would like to enable the netflow in the latest switches, in order to check/inspect network traffic within the devices in ...
Hi everyone, I always appreciate for technical support. In order to transmit syslog and Windows event log to the cyber security operation center, I have plan to connect 20 independent systems with Catalyst 9300. Since the IP address of each independe...
Randomly VLAN 20 on one of my routers is in a down/down state. Nothing new has happened configuration wise on the router, or any other device on the network. I've tried deleting the VLAN, and recreating it but it went down/down immediately after. I c...
Resolved! VSS L3 Subinterfaces
Hello, Can you configure a sub-interfaces with IP addresses under a L3 port-channel in VSS (a pair of C6509s)? Thanks,~zK
Hi, I have a WAN interface Gi0/0.May I know I i wanted to check outgoing and incoming traffic in port 120, how does the inout/output config of access-list mapped to interface looks like? The objective is to prove tht router is forwarding traffic via ...
Resolved! 6500 to 9600 migration XENPAK SFP
Greetings, Could someone kindly share their experience and knowledge to advise for my below issue Can the new Cisco SFP-10G-ZR-S on Cisco 9606R module C9600-LC-48YL will connect successfully to old 6506E module "WS-X6704-10GE” having 10G SFP ”DWDM-X...
Hello, I have worked for years somewhere QoS wasn't used, and now I have to relearn it. Firtst, RTFM, then I'm doing a small lab with 2 identical 2960 (LAN Lite, 8 ports) with a single trunk to try it out. I was trying to make vlan 4 behave as "best ...
Hi Experts.. need your input on a query.. " What will happen if we connect stack cable on same switch(from stack port1 to port2 same switch), will the switch go unresponsive OR will it function as normal" please suggest.
Hi,Using Cisco Switch 2960-X, how can i capture the interface Traffic and create if possible a file that can be read with wireshark!NB :: Do Not Use the #SPAN_Tech
Hi, I have a strange behavior on a Catalyst 9200 (Running IOS-XE 16.12.4). In the log the following recurrent set of message prints out :Feb 24 07:43:35.611: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi1/0/5: PD removedFeb 24 07:43:36.602: %ILPOWER-5-DET...
Dears, is it possible to block SSH traffic to pass through the switch ? if i have a server connected to a switch, and computers connected as well and i want to block all ssh from any computer to the server , is this possible ?thanks
