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...
Forum Posts
Can Cisco 220 Series Smart Switches CBS220-24T-4G support : a) AAA TACACS+ integration? b) Remote access via ssh ( CLI)? c) Can I add other "not-VLAN1" VLANs for management? d) This model is not PoE, but could I add voice vlan ( for phones with powe...
Hello everyone,I recently found the following logs on some of our NCS520 devices:1 - %IOSXE-1-PLATFORM: R0/0: kernel: nif: Internal buffer too small2 - %IOSXE-1-PLATFORM: R0/0: kernel: nif: Invalid CPP Header info :: total_len (3489) / packet_len (13...
Resolved! C9500-32QC - Support for 10Gbps
One of our clients wants to upgrade their core devices, currently they are connecting to the other Switches at 10G, but will upgrade the other devices next year to 40G.Is it possible to configure the interfaces of the C9500-32QC, to run at 10G and us...
I have a 2 x 10Gbps port-channel using DAC cables (SFP-H10GB-CU3M) between a FPR3130 chassis ports Ethernet 9 & 10 and a C9300-24T with a C9300-NM-8X module ports Te1/1/1 & Te1/1/2. The switch is constantly reporting the interface going down for abo...
Hello everyone, I’m in the process of ordering some ASR 9000 8x100GE SE line cards and I need to confirm something before proceeding. The part number I am ordering is:A9K‑8X100G‑LB‑SE However, we've been advised the following: “These cards will alwa...
Hi,i have this question. I know that i can create a vpc back-to-back configuration between a pair of n3k and n5k. my question is, if i create on each couple of nexus e lacp portchannel to the same distribution switch stack will create a loop?thanksAn...
Resolved! EEM to show cli commands
This EEM script appears quite a lot online: event manager applet catchall event cli pattern ".*" sync no skip no action 1 syslog msg "$_cli_msg" I've added it to three separate IOS/IOS-XE devices and it only works on one of them.I have a C3560X...
Hi, I have a 3560 switch.I kept getting this message, " !!! WARNING: The switch is not usable !!!what should I do? How do I have it fixed====POST: CPU MIC register Tests : BeginPOST: CPU MIC register Tests : End, Status PassedPOST: PortASIC Memory Te...
We have experienced several switches losing all Power over Ethernet (PoE) functionality, which resulted in a complete loss of VoIP service within the affected building. Despite this, POST and all hardware indicators display normal operation. Are ther...
I'm working with two Cisco switches: CBS350-24T-4X and C1000-24T-4X-L. I would like to know if either of these models supports EPC (Embedded Packet Capture). If not, are there any alternative ways to capture traffic directly on the switch? Thanks for...
Hi Team,We are having one switch which from Cisco Catalyst 9300 Series, its rebooting unexpectedly.Image (Version)17.3.6Please help me to resolve this issue.
Good Day all. I just had a CBS250-8PP-D crash on me. Stuck in boot loop, Factory reset procedure with reset button doesn't work. Other than buying a replacement, is there a different way to reset this device? Thanks
Resolved! cisco Nexus9000 C92160YC-X qos question
HiI have a couple of cisco Nexus9000 C92160YC-X as core switches. I have 6 pairs of catalyst 9300 switches connected via VPC to these cores. I was configuring auto qos voip trust on these access switches but I came across an issue on the core switche...
Configure the management IP for the three-layer switch (ip routing is not enabled), use ip default-gateway to set the default gateway, the result is that the computer ping in the vlan does not communicate with the svi of the network. Set in the swit...
