Looking for an upgrade suggestion for a C9300L-24P-4X-E. The link below suggest 2 different versions (17.3.5, 17.6.4). They will not be doing anything fancy other than L2 switching (I know, its overkill, its what the clients Administration wants). Ot...
Hi All, I am in the middle of upgrading a redundant pair of supervisors. 5 8 Sup 8-E 10GE (SFP+), 1000BaseX (SFP) WS-X45-SUP8-E6 8 Sup 8-E 10GE (SFP+), 1000BaseX (SFP) WS-X45-SUP8-E I am going from cat4500es8-universalk9.SPA.03.07.03.E.152-3.E3.bin,...
Hello everyone, I would need some help understanding an phrase writen in a Cisco manual about UDLD:"UDLD supports two modes of operation: normal (the default) and aggressive. In normal mode, UDLD can detect unidirectional links due to misconnected po...
If 2 PC connected to trunk port, can they still ping each other? What is the reason behind if they can or cannot?
Having read many, many topics on multicast today I'm feeling pretty lost with it and would appreciate some guidance as what I want to achieve I think is much simpler than many of the guides I've found.The setup I am working with is two Nexus 9K core ...
Hello,We have create a LACP of two ports. These are the instructions to created: switch# conf t switch(config)# interface ethernet 1/5 switch(config-if)# channel-group 2 mode active switch(config-if)#exit switch# conf t switch(config)# interface et...
Hi,Is it normal to have so much drop no adjacency when i do a show ip traffic on a Catalyst 9300?I tried a debug ip cef, but it doesn't show me anything.IP statistics: Rcvd: 7788 total, 126714 local destination 0 format errors, 0 checksum...
I have 2 cisco 2950 switches lets name A and B. A is uplink switch of B. In switch B two client are connected in same VLAN. clinet1 mac address is learned in switch A but Client2 mac address is not learned in switch A. Mac table of switch is not full...
I have the C9200L-24T-4G-E switches and would like to upgrade them to support 10GbE SFPs. Is it doable? or should I replace them by C9200L-24T-4X switches? if it is doable, is there any instruction on that?
Hello,Would you have an idea of what could cause MAC flapping in a loopless topology (the wiring has been checked).A Cisco switch is connected to a router of another brand (our supplier's). There is a data vlan and a voice vlan, only the telephone ex...
HiI am new to Cisco. I am an audio engineer. I am trying to get 2 trunk ports in the same switch. So when one cable fails, the other port automatically takes over the trunk duties. I have two switches. the 2 cables would go to the same switch. How w...
Hi, we have cisco ise 3.2 in our network. I want to find out which user change network devices configuration and what commands he added on device. How can i see that logs on ISE
Hello Wondering if it is possible to use a Nexus 9K switch as a tftp server to load firmware onto a cat 2960x switch? In other words, can I push the .binary file to the Nexus 9K then from the Nexus 9K use it as a tftp server to push that .binary fil ...
I saw this topology in a network diagram somewhere and was wondering how this would work on a layer 2 level. Is this recommended? Would spanning tree automatically resolve it? I've had redundant links in real life scenarios but spanning tree would no...
Having an issue getting AVB to work on the C9300-48UXM switch. Specifically the PTP clock.Swapped out one of the "48UXM" models for a "48U" model and this works fine. Problem is we still have 4 "48UXM" models that we need to get working with AVB.Wi...
