Hi All,Is UDLD effective if we enable it on copper twisted pair??
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HI, 4 Switches are configured in stack and its port are randomly flapping like: line protocol of interface is UP DOWN. file is attached to see the logs. Firmware Please provide the resolution.
I have 02 sites connected through 02 Lan to Lan links, the same ones are connected in both points in the same Cisco model 2960 swtiches. And normal operation through the spanning tree we always have a blocked port, my problem and knowing when ther...
I have a 6509 attached to a pair of nx9000s via Ten Gig fiber which are in turn connected to four 3850s -- standalone, not stacked -- also by Ten Gig fiber. CDP shows that each device can see the next hop in the chain and VTP information propagates f...
Can anyone explain to me which devices use analog signals or digital signals? I am stuck on modem, CSU, and DSU. I don't get why modem needs to convert analog signals to digital signals or vice versa. I would really appreciate if you can explain to m...
Resolved! Router Cisco 4431 L3 Etherchannel
Hi Everybody, Is L2/L3 Etherchannel supported on router CISCO 4431? Thanks a lot Paolo
Hi all, we are getting below Vulnerability on internet switches(CVE-2016-9310) The remote NTP server responds to mode 6 queries. Devices that respond to these queries have the potential to be used in NTP amplification attacks. An unauthenticated...
hey, I've been asked to change the MAC address on our WAPs by Security. Does anyone know a way to do it, I see there is no option on the controller, and ssh to the console of the WAP doesn't provide the options: AIR-AP3802I#config ? ap AP conf...
I configured a cisco c887VA-w-e-k9 router. here is the configuration: ip dhcp excluded-address 192.168.10.1ip dhcp excluded-address 192.168.10.10ip dhcp excluded-address 192.168.10.197ip dhcp excluded-address 192.168.10.33ip dhcp excluded-address 1...
Hello all! I've got a home lab and have been doing some EIGRP 'noodling' and have run across something that currently has me stumped. For the purpose of this question, the topology is as follows: The 'issue' seems to be with routes originally...
I have seen this once before but I have just seen it happen twice in one of our classrooms and I am confused. Each student had a console connection to their router. The router was then connected to a switch via the gig port. When the students brough...
Hi everyone! I need to set sub-ring (MRP) in IE5000, but I can not find document on topic. My sub-ring will consist of Cisco and Hirschmann switch. On the website of Hirschmann I find document about MRP attached. It's possible create sub-rings in I...
Hi all I would like to know if you can connect 1 gigabit device on the 10 gigabit port of a Cisco SG350XG-2F10 (Copper / Rj45) thank you for your help.
Hello, I have High interface Discard rates (99.99%) for 17 FEX Ports that connected to servers. The FEX device (N2K-C2248TP-E-1GE) connect to parent Nexus switch (Nexus9000). Can you please help me to diagnose and fix this problem ? ONB...
Resolved! Interface description best practice
What is best practice for interface description ?
