Switching

Hello allI need select best switch solution for my backbone network.Requirement- 2 or more 10G interface with SFP physical connection.I am interesting Cisco catalyst 4900M switch, with X2 to SFP module.Pleasure help with best solution select.What o...

Hi AllMy customers had problem with 6500 series suppervisor. They need to purchase 6513E with supervisor 2T within August 2011 but the supervisor announce date still unknown.If anyone know about the Sup2T information - Part Number Pricelist and Annou...

I have just inserted an Etherswitch module into a Cisco 2951 Router. At the switch prompt, attempts to enable Power over Ethernet brings the response " Can not execute cmd on legacy switch 1"When I attempt executing the command on the sub-interface m...

We are having sometimes problems that our internet access is very slow. I have checked the log of the router and I see the following errors:574859: Jun 22 08:53:39.112 CETDST: %FW-4-ALERT_ON: getting aggressive, count (23/500) current 1-min rate: 501...

I have a cisco 1841 router which presently down and with flah of 32m, s/n 16-2648-02,And i have a cisco 3640 urgent in need of flash because of financial constraint i wish to useThe flash from the 1841 but do not know if it will be compatible with my...

Hello.I have strange tx drops on gi ports of cat 2960. All ports have small transfer rates. Errors look strange and inexplicable. What is the possible reason?Switch Ports Model              SW Version            SW Image                 ------ ----- ...

Hi Guys,I have a failed 6506 IOS switch. Can you look into it and see if its a chassis problem or module problem ?06/29 16:07:10.434 E  [3]    check_ether_packet [3/21]: newpak is NULL!06/29 16:07:11.106 E  [3]    check_ether_packet [3/22]: newpak is...

I've got the following scenario (image attached). each site has a Vlan for Restricted PC's. These PC's should have access to their own site file server and printers. I don't want them to access anyone else's site, except for DNS lookups and AD login ...

Hi,One of the server hosted at Site-A , not able to connect the application which is hosted at Site-B Server , there is no firewall in between.Server IP's are pingable from both the end. See the below trace route from SITE-A to SITE-B and vice versa....

Hi,Some times We are getting alerts for WAN(mpls) Serial utilization exceeded 90% and it will come down after 15-20 mins.not able to find , why it is happening , Is CPU over utilization can cause increasing the WAN serial utilization ?Is there any wa...

I have Cisco 3560 as VTP domain and Cisco 2960 as VTP client. I am facing a strange issue on my network. Somtime I am unable to ping a server from particular one workstation and some time not from any or some workstattions. From Cisco switch itself w...

Hi Team,Kindly help configuring ipv4 vpn s2s tunnel configuration.I got normal  ipv4 setup working. If i change the ACL under crypto map ipsec isakmp to match ipv6 packet, getting following error -"Access-list type conflicts with prior definition"