Hi All, Their is a weird problem we are having with MAC-FLAPS and HIGH CPU uses. The odd think is when we change the VLAN on the port to a different one then the flapping stops but when we turn it back it starts again. I removed the Vlan from a switc...
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Forum Posts
Hello,I'd like to know what steps are needed to configure DHCP snooping in my environment:1) two core switches Catalyst 6500 (VSS): VLAN defined here, DHCP server connected here2) access switches Catalyst 3750: clients connected hereAccess switches a...
Resolved! not able to route outside lab network
I purchased CCNA lab equipment a few weeks ago. I am also studying for the CCNA. I have a 1841 that is connected via ethernet to the rest of my network. when I ssh into it I am able to route out to the internet and my home network. However I also hav...
Hi! We have just replaced a Cisco 2960S iOS version 12.2 switch with a 2960-X iOS version 15.0 48-port switch. Apparently there are some differences, because we configured the new switch just like the old one and are having a problem. This switch ...
Resolved! NX5020 upgrade to release 5.2
I want to upgrade software release of a NX 5020.It has de following modules:1 40 40x10GE/Supervisor N5K-C5020P-BF active *2 8 4x10GE + 4x1/2/4G FC Module N5K-M1404 ok3 6 6x10GE Ethernet ...
Hi,Is it possible to view the utilisation of individual CFC CPUs on 6500/7600 line cards via CLI? We have an SNMP based management solution that is reporting 100% CPU utilisation on a couple of ethernet modules with CFC daughter cards in a 7609 chass...
I am trying to connect the Cisco 3750X switch with Siemens Scalance X212-2LD, I tried setting the cisco switch port in access mode as well as in trunk mode. but the siemens switch is apperaing not connected. layer 1 single mode fiber connectivity is...
Hi All,Two weeks ago we have some trouble with one user PC, it had received IP address via DHCP but don't ping default gateway, DHCP is behind gateway and use ip-helper. We ask user change MAC address on PC, he change last 2 digits, received new IP a...
Hi Is there any way to upload and download or transfer a file from server to client and vice versa without FTP and SFTP or copying directly in a folder.To use ftp we need to open the ftp ports so without that is it possible to tansfer.Do we able to ...
Dear Support Team I hope you guys would be fine and keeping up the good work. I have issues forwarding ports on my Cisco 2911 router, but i guess its better if I first breakdown the scenario for you to speed things up. Problem State...
Hi,I have an ASA 5510 with an interface configured with a subinterface (vlan 10) and at the moment the physical interface is still aloowed to pass untagged traffic.interface Ethernet0/2 nameif inside security-level 100 ip address 192.168.1.1 255.255....
Hi All,I am confused about the aforementioned concepts, it would be helpful if some one can explain or point me to relevant documentation. Also i would like to know when do we use NSF comapared to NSR specially when using the routing protocols O...
Resolved! HSRP issue
I am having an issue bringing up a newly created vlan. When I run a " show standby" I get "State is Init (interface down)". I have tried doing shut\no shut on the interface and vlan but no luck. What am I missing? Vlan230 - Group 1 State is Init ...
Resolved! Nexus 9K power requirements
Sorry if this has been answered in another thread but I couldn't find it. Should be a quick and easy question to answer, though. Anyway, I am planning on installing 9504s and 9508s in my core at some point this year and I am unable to determine 100...
Hello,Need to know what the following "Data Patterns" test for in exended ping test:ff003232aaaaccccI've serched for a couple days and only found T1 basic test patterns.Thank you for you help.
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