Any know how many times w/in a time frame a mac address needs to show up on two ports before a mac-flap error is logged? And is there a way to tune that threshold?We're running some ap's in flex mode, and a few handheld clients are roaming between a...
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I am using Cisco Packet Tracer in Mac and when I tried to login it's keep loading for a long time and no result, I am having this issue since last 2 days. However, if I tried to login netacad.com directly using browser it's working fine but the Packe...
Hi All, I have the following setup in CML: SW1 is the Root BirdgeI have VLANs 1-20All Switches have the same MST configuration and running in the same region. When I shut down interface gi1/0/3 on SW3 the MST environment converges and uses Gi1/0/6 a...
Resolved! CISCO 9200 "No space left on device"
Hello,I am trying to update a cisco 9200 switch ( in fact, it's a stack, there a 2 switchs).Switch Ports Model SW Version SW Image Mode------ ----- ----- ---------- ---------- ----* 1 32 C9200-24P 17.06.05 CAT9K_LITE_IOSXE INSTALL2 32 C9200-24P 17.06...
I recently replaced the core switch at one of my sites that consisted of two separate C9300-48Ts and three other off brand switches and installed a new stack with a C9300X-48HX, C9300-24S and a C9300-48T (running 17.12.5). This is a layer 2 network c...
Bonjour, Je ne trouve rien qui précise si le Fast REP est supporté sur les switches stackés de la gamme IE Cisco. Si quelqu'un sait ? Merci d'avance !
Resolved! Port Channel Issue
Only i have issues with the port channel 8,9 & 10, all the rest port channels are working perferct. i raised a cisco tag too. 7 Po7(SU) LACP Gi1/0/25(P) Gi2/0/25(P)8 Po8(SU) LACP Gi1/0/18(P) Gi2/0/18(s)9 Po9(SU) LACP Gi1/0/19(P) Gi2/0/19(s)10 Po10(SU...
Hi I've a Cisco 9300-48UN and there is a problem with the stackwise Hardware: Follow the show switch detail : Stack Port Status Neighbors Switch# Port 1 Port 2 Port 1 Port 2 --------------------------------------------------------1 OK ...
Resolved! Nexus-vrf-route leaking
Hi, ☺️Now i still read about this tooic and i do lab environmentOn nexus 9k :I create two vrf for each vlan for isolationBut i want each vrf access internetFor each svi vrf---Vlan10,20----(trunk)Switch-N9k(ip10.10.10.2)-------(10.10.10.1)Router---int...
Greetings,I have aquired a second hand WS-C3650-8X24UQ-S. Appears to be working as is (connected to router and one pc), and no password. When looking up reset instructions, I see typically you flash_init, then delete config.text and vlan.dat (after h...
Where can i find Catalyst 9k visio stencils?
Good day All,I have an old 2901 SW and I noticed scrolling in the logs:*Jul 16 14:19:10.135: %PLATFORM-3-PIP_ERR: PIP error reg 0x00000080*Jul 16 14:19:15.247: %PLATFORM-3-PIP_ERR: PIP error reg 0x00000080*Jul 16 14:19:20.463: %PLATFORM-3-PIP_ERR: PI...
Resolved! What is a VRF? (for beginners)
Can someone explain what is a VRF (for beginners)
Resolved! C1000-48P-4G ez1k error messages
Good Morning, We've got a C1000 that behaves kinda strangely and i'd like to know if its a hardware problem or a "solvable" Software Problem.Here's a Screenshot of the Console Output:ConsoleThe Switch still kinda works normally, i can configure the s...
Resolved! Calculation of MST cost
Hi all, Could someone please explain to me why I see the things I do with MST? I have the below setup in a lab, where SW1 is configured with the lowest Cost and is the root bridge. Everything is working as expect, in regards to STP, and SW4 is Blocki...
