Hello, We are observing a change in behavior of the mls qos on the 2960 switch series between IOS 15.2.(4)E6 and 15.2.(7)E5. The applied configuration is as follows: mls qos map cos-dscp 0 0 0 0 0 0 0 0 mls qos map dscp-cos 0 1 2 3 4 5 6 7 to 0mls qo...
Forum Posts
Hi all, I think normally BFD session is 1 by 1 like below right? interface Vlan100 ip address 10.1.1.1 255.255.255.252 bfd interval 100 min_rx 100 multiplier 5 However if I want to use secondary IP address is it possible to establish BFD session be...
Hello everyone,I'm new here and trying to get to grips with VLANs!In my building we have a network of six switches - one of which is a managed Cisco SG350X-24PD. We recently added a Cisco CBS250-16P-2G smart switch to the network. The rest are unmana...
Hi Team,I have query regarding my below mentioned portchannel configuration.Please validate the configuration and let me know if need to change in my configuration.Is LACP is need to be configure on it.!interface Bundle-Ether 1description connectivit...
Resolved! security breach message on switch
Hello, good morning, several months ago, I got this message %PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address 0001.0100.00c1 on port GigabitEthernet2/0/11.%PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occ...
Resolved! Unable to enter new users in Nexus 5K
Hey All,Interestingly enough I've seen about 3-4 posts with the exact same problem and yet not a single one is ever answered.. The task is simple:"username USER password 5 SOMEPASS role network-admin"It consistently outputs: "String failed to match t...
Resolved! 9407 25GigE ports
Can a 10Gig SFP be used in place of 25gig SFP on a 9407 Supe2?The old switch's uplink from the core currently is 2 10Gig SFP modules.The 10Gig SFP is accepted by the switch, the core at the other end is staying 10Gig, so I'm hoping the 25GigE ports w...
Hello,I am in a little predicament as I have a few switches and would be good for the future..What type of label printer can I use to re add damaged labels to Cisco Switches? always the ones with the stickers on the top of the switches instead of the...
Hi,We have been trying to get our virtual firewall to form an OSPF neighbourship with our leaf switch, but cant the two devices cant see each other.The firewall and the leaf are configured in area 0 and we want it to form a neighbourship with an SVI ...
Resolved! 100Mbps Cable Speed
Hello,My PC ethernet and my switch running already have Gbps speed, but actually when i plug my pc to the switch i only got 100Mbps.Then i try to re-crimp my RJ45 and suddenly the speed change to 1Gbps. I just want to know why bad RJ45 crimp affected...
SpoilerI'm trying to allow VLAN 10 which includes pcs', EMP 1 AND EMP 2 to pass through the router to the EMP server.I also want to restrict traffic from VLAN 20, which includes PAT 1 and PAT 2 from accessing the server.I created VLAN 10 & 20 to seg...
Hello,We have a few SX550X switches. One device is configured a L3 switch with VLAN IP 192.168.1.254. We have continuous ping timeouts even when a PC is directly connected to the switch. Spanning tree is not flapping and correctly configured. Ping ti...
Hello all,Running into an issue that I've not been able to resolve yet. In my environment, I have two Linux devices which, either after a reboot or after a few hours of not accessing the device directly (the systems run in the background), I am unab...
Im working on a case for a customer and asked for their switch model and OS version.They sent me the below in blue (sensitive info removed)Is it possible to run a WS-C4510R+E with a C9300-48P ?Please see the details below:hostnameXXX (ip x.x.x.x)Swit...
Resolved! 3650 stack - Single Switch Crashed
Hello,We have a stack of 5 Cisco 3650's that were installed back in September of 2023. They have been running fine, no issues.Monday morning 3/11/24, at apparently 6:21, our logging server reports that all the interfaces went down and nothing else. O...
