We nee to replace our old standby HSRP switch (it is a C6880-X-LE VSS pair). We plan on building a VSS first, upgrade it to the recommended version and then configure it. We are not sure however what is the best way to replace it and upgrade the acti...
Forum Posts
I CANNOT ACCESS MY CORE SWITCH FROM MY PC BUT I CAN ACCESS IT FROM ANY OTHER SWITCH SSH.
Does anyone know/have links to design/engineering guides for DHCP snooping and Dynamic ARP inspection for IOS? I've found implementation guides which don't seem terribly in depth.Environment is metropolitan/campus area network with over 1000 L2 switc...
Hi Folks,Looking at updating the software on our core switch, this is a live enviroment.We have dual supervisor in slots 5&6. 5 5 Supervisor Engine 2T 10GE w/ CTS (Hot) VS-SUP2T-10G6 5 Supervisor Engine 2T 10GE w/ CTS (Acti VS-SUP2T-10G Cisco IOS Sof...
All, need your help to this move without any downtime. It is a bit complicated.We have VSS core 6807 switch stack. With redundant downlinks and uplinks. It is a two night event.We are using two new chassis in the new location so that we don't have to...
Resolved! Hi
I want to ask here what is the purpose of the community?kindly help me to guide Thanks to all
Dear All,On Cisco 6500 Sup2T Version 15.5(1)SY10I have a continuous logging entry like these:Jun 23 16:17:22.450 ITAS: %SISF-SW1-6-ENTRY_CHANGED: Entry changed A=FE80::D0C6:F08C:BCA0:CEAB V=91 I=Po59 P=0005 M=Jun 23 16:17:22.450 ITAS: %SISF-SW1-6-ENT...
Resolved! Image upgrade failed - rommon now
Hi all-I have an old 6509 with a SUP720 that I seem to have killed. I was trying to upgrade the code.Before the reboot, she file systems looked like this:and the sup-bootdisk: directory looked like this:I changed the boot line in the config from b...
Resolved! What is a VRF? (for beginners)
Can someone explain what is a VRF (for beginners)
Resolved! MACSEC Switch to Switch supported models
Dear All,I am planning to change my olds switching infrastructures.That now is composed by two core switches 6500E with sup2T and serveral 4500 sup8 as distribution layer and 9300 switches as access layer.I'd like enable the MacSec security features ...
Hello All, I have a question, I built the following DHCP pool and ACL on the Cisco core. When the ACL is on the computer doesn't able to get IP address from DHCP but when I turn off the ACL it works perfectly fine. So here is the question when comput...
Trying to authenticate I have this error as shown, can anyone help me!*May 11 12:38:20.482: %RADIUS-4-RADIUS_DEAD: RADIUS server 192.168.100.3:1812,18 13 is not responding.*May 11 12:38:20.482: %RADIUS-4-RADIUS_ALIVE: RADIUS server 192.168.100.3:1812...
Trying to authenticate I have this error as shown, can anyone help me!*May 11 12:38:20.482: %RADIUS-4-RADIUS_DEAD: RADIUS server 192.168.100.3:1812,18 13 is not responding.*May 11 12:38:20.482: %RADIUS-4-RADIUS_ALIVE: RADIUS server 192.168.100.3:1812...
Hi there,I have a question about reconfiguring ports on a couple of core switches at one of our sites.The site in question has a pair of Cisco 6807-XL chassis running in VSS and I have setup some local SPAN ports for a new network defence system. How...
Hello All,I work for a large (enterprise company). We have a location where we want to block internet access though ACL on our core. I have created a New VLAN with subnet 10.40.94.0/24 and moved all computers that should disconnected from internet. T...
