I encountered a problem and managed to fix it but I do not understand how it worked. I had replaced an older switch (2960) to a 3650. The old switch had it's port 24 (fiber) configured in trunk mode connected to a 3650 switch port gi1/1/3. After repl...
Forum Posts
I upgraded a C2960X-48-FPS-L switch to the latest IOS and get this error. I uploaded different IOS and same error. I factory reset the device and same error. POST: ACT2 Authentication : BeginPOST: ACT2 Authentication : End, Status Failedextracting f...
Can we stack below 2 switches--WS-C3850-12S-E& WS-C3850-48P-S?Please note--WS-C3850-12S-E has IP service featureWS-C3850-48P-S has IP Base feature.if this stack created anyhow and I create WS-C3850-12S-E as Master then will this switch push IP servi...
Resolved! Packet tracer
Hello all, I hope someone can assist me with my problem.I've created a network in Packet tracer where all (6 departments) see each other + server + router + printers.The requirement is I create a network where only PCs within each department see each...
A customer of ours has a flat Layer 2 network that we would like to make redundant in case there is a fiber cut, or an equipment failure. Since it is a Layer 2 network, I was thinking of using a HSRP protocol to provide redundancy to the network in ...
Hi AllCan anyone tell me if the Cisco 9410 supports Stackwise virtual?We are looking at replacing our 6509 running VSS so we need this feature, from what I have read only the smaller chassis are supportedMany thanksCarl
Hai we need stack wise virtual feature for a big project with Cisco 9410 and sup1 at present I couldn't see any IOS version support that feature, but newer ones with 9404 and 9407 are supported ,any one knew this feature will come soon
Hi,I have a C9400 with double SUP version 16.11 (in install mode).one of these SUP card has crash and i have received another but with version 16.6. how i can upgrade this new card, 16.6 to 16.11, without stop the active SUP? i don't have spare C9400...
All,Checking in with a request for feedback regarding use of the spanning-tree link-type point-to-point command and its uses. For configuration samples, when and where is the command used and is it possible to see it only at one end of a switch to s...
I am curious whether or not there is a means to tell how much traffic a core switch can handle to decide the best product to use. For example if this switch is doing intervlan routing, has 100 vlans and 1000 users, vs. a switch that has 200 vlans and...
When i trying to boot my cisco 3650 IOS (CAT3K_CAA-HBOOT-M) Version 1.2The switch send me this message: Stack Adapter Auth Fail : SIF_SERDES_CABLE_EASTBOUNDDec 13 16:42:17 %STACKMGR-1-UNKNOWN_STACK_ADAPTER: Unknown stack adapter inserted on stack por...
Hello, Has anyone ever configured Generic Attribute Registration Protocol on the Cisco platform? Not to be confues with Gratuitous ARP protocol. We use VTP pretty heavily in our environment as I am sure most Cisco shops do to interconnect our core sw...
Hi all.I have problem for configure dot1x and authentication interface command in a switch universal 2960x, the switch indicates that the command does not exist, inclusive when lan base license is in use and active. switch(config-if)#int gigabitEthe...
Hi all, We've spent days troubleshooting a very odd problem we're having with our network, which has brought me here for some more suggestions, because we're completely out of ideas now. Our network consists of a core stack of Cisco 3850's and an ...
Resolved! 2 root bridge
Hi All,For some reason, I'm getting 2 root bridge in my network. The current root bridge is the 3560X and is also the vtp server. Recently, we purchased a few more switches N3K-C3064PQ-10GE and 2960x-48LPD-L. The 2960x-48LPD-L is also a vtp client...
