I noticed that, on a 3850 switch, that a "sh line" shows I have an AUX port on the system. However, physically I don't actually see it, only the console port. Does it actually exist, or is it a repurposing of the "con" port? I ask, as It would be h...
Forum Posts
It's been a while since I had to do this and I have obviously forgotten most of it but I am having trouble understanding the below output - DCP-6509A-DC1-CO#sh powersystem power redundancy mode = redundantsystem power total = 3795.12 Watts (90...
Resolved! IP Phone 802.1x mab authenticaon
Hi everyone, We have configured 802.1x wired authentication with NPS server.We enable mab for ip-phone authentication. Here is our interface configuration:interface GigabitEthernet0/9switchport access vlan 21switchport mode accessswitchport voice vl...
Hello everyone, I have a network of two hosts, connecting to a Catalyst 3650 switch, which connect to outside network.The two hosts can ping each other, have known IP address (172.16.11.x) and same subnet. However I am not able to ping the host from ...
In audit observation find Vulnerability issue and need to resolve this.Switch Model : WS-C3750V2-24TSSwitch Version : c3750-ipservicesk9-mz.150-2.SE11.binVulnerability : Nessus Plugin ID:71049 (Disable MD5 and 96-bit MAC algorithms)https://www.tena...
hello cisco what is best configuration of spanning tree on the following types of ports?1 - access ports- dedicated/isloated VLAN for iscsi traffic - should i disable ?2 - trunk port - connected to other switches - should i disable ? thanks,
I am trying to reset the Cisco Switch 3850 to factory settings due to not knowing the password for the switch. Last system administrator of my organization did not record any credentials and when i joined I didn't have enough time to ask him for the ...
Protective Boot on Certain Network Cables Might Push the Mode Button and Cause an Unexpected Resethttp://www.cisco.com/en/US/ts/fn/636/fn63697.html
Hi guys, Im really struggling to get this working.I just want remote SSH to my 3850 switch via its management interface yet I cant get it to use damn local authentication no matter what.The Cisco DOC's appear wrong as the commands just dont work. I h...
I'm using GNS3 with VIRL images (vios_l2-adventerprisek9-m.vmdk.SSA.152-4.0.55.E). I'm trying to understand the behavior I'm seeing. It almost seems like it's a fluke with the emulation. I've posted over in /r/ccnp (found here) and I've gotten a bit ...
Hi, I have an issue with Mitel ip phones on my lan. Each switchport which has a phone connected to, shows a high output drop count, and doing a "show controllers" indicate high Excess Defer frames. Users have problems with call transfer, and crappy s...
Hi-I'm not sure what I'm missing here but I've successfully loaded a new IOS (c2960-lanlitek9-mz.152-4.E6.bin), changed the boot statement, confirmed the next boot and then reload the switch. After reload it still winds up loading the previous IOS (c...
I'm running into a weird issue with a few CSR1000v routers running on ESXi 5.1. I've created 10 VMs and of those 10 instances, I have 1 router that seems to insert an extra line (or carriage return) in the CLI whenever I hit 'enter'. This issue has...
If anyone has a working ERSPAN config between two nexus 7k switches or between two nexus switches, can I take a look? I seem to be having some difficulties configuring it, and the source monitoring session refuses to go up. Thanks!
Hello!Jan 19 20:57:46 MSK: %SIBYTE-DFC3-4-SB_EXCESS_COLL: Excessive collisions on mac 1 (count: 263)Jan 19 20:57:46 MSK: %SIBYTE-DFC8-4-SB_EXCESS_COLL: Excessive collisions on mac 1 (count: 268)Jan 19 20:57:46 MSK: %SIBYTE-DFC7-4-SB_EXCESS_COLL: Exce...
