We have a new switch that we are trying to put in place of an EOL switch. The switch has about 6 svi's for the vlans. To minimise downtime, we have added the new switch into the lan alongside the old switch and moved the cables over 1 by 1. This has...
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Forum Posts
Hello Team, I need your support on following points, Just want to know whether, 1)Cisco switches supports the EAL3 certification. 2)Also does it supports SCP2 and SFTP protocol. 3)CLI over serial RS232 and out of mgmt via additional 100Base-T R...
Problem: Reoccurring high utilization for NTP Version: Cisco IOS Software, s72033_rp Software (s72033_rp-ADVIPSERVICESK9-M), Version 15.1(2)SY7, RELEASE SOFTWARE (fc4) CPU: CPU utilization for five seconds: 77%/1%; one minute: 76%; five minutes: 74...
Resolved! Replacing 3750 with smart install
What happens with vtp status if replacing a 3750 using smart install method. It is a standalone switch & config being erased, it shows to be in vtp client state with blank domain name & revision no. 1. The original switch(to be replaced) is running m...
Resolved! DNS Server
Our organization has DNS servers setup on our Windows Servers, my question is, is it necessary to have the DNS entries on our cisco devices? example: ip name-server X.X.X.X Or do we need it in our DHCP pool, or do we need it at all? I'm just wonde...
Hey Everyone, I'm sitting my CCNA next week and have setup a lab in Packet Tracer. I'm scratching my head over a particular issue and was hoping someone could help me out - I've set up a scenario of 3 x L2 2960 switches with multiple VLAN trunks in...
I recent got an 891fw and was look for a basic config for DHCP from my ISP via my GI wan interface, w/ dhcp internal, NAT overload from vlan 1 to the GI wan and dhcp internally. Where can I find something that explains this? I have gone through sever...
Hello, I was just curious how people normally transfer an image for an upgrade. I am going to upgrade about 100 or so 3850s, and was wondering what people think is the best way to transfer the images to the switches...I mean the fastest way. No se...
Is there a way to configure port-security so that when a switch is rebooted that the dynamic mac addresses associated with each port is removed and new macs are learned. I figured that if I configure mac-address sticky and the configuration file was ...
Hello, Probably a noob question but can't seem to find a decent answer; here goes. I have a network 192.168.1.0/29, my PE has 192.168.1.1/29, my CE has 192.168.1.2/29 NAT out..., on the LAN portion of the CE, we have a 172.16.1.0/24 network NAT insid...
I have nexus 3000 series and setting up the PTP for the switch I realized it never becomes slaves of the port that an ordinary clock like a Windows running Domain Time II or LinuxPTP? is there anyway to set the PTP on both boundary clock and ordinary...
I've got some remote site that have Express 500 switches installed. I want to change the IP's remotely but the "GUI CLI" only allows for one line at a time. Is there a way to input multiple lines in script form so that I won't lose connectivity as s...
I have two subnets, Inside (192.168.1.0) and Inside-2 (192.168.2.0) and when I am connected to the inside subnet I cannot browse the inside-2 subnet, windows does not show any of the machines on it, and the reverse is true if you are on the inside-2 ...
Hello, Can the 2821 router support Vdsl Wic? Thanks
in my nexus switch, we have error: %DAEMON-3-SYSTEM_MSG: error: PAM: Authentication failure for illegal user ....., how to resolve this issue? thanks
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