Switching

hi all ,im here to ask about some feature of cisco QOS NBAR ,as we now http traffic is on port 80now some users use some proxiesas an example 77.88.66.77 with port 66000 and can bypass the lan proxymy quesgtion is :can NBAR detect people who use cust...

Just switched over to a 100mb Ethernet circuit from a DS3 and having some issues, routing issues I believe.I'm attaching a drawing to help paint the picture which I'll explain below:DS3 setupDS3 circuit connected to a serial card on Cisco 7206 router...

Hi, I have two 5548UP + L3 card with LAN_ENTERPRISE_SERVICES_PKG and FC license.This two Nexus are the core of my network. Eight stacks of 2960S are connected to both NX with an etherchannel formed by two SX-1G or two SR-10G.I've checked the conf and...

Hi All I am getting following messages within every minute on Switches (IPTSW01 & IPTSW02)%SW_MATM-4-MACFLAP_NOTIF: Host 0023.ebcb.59c0 in vlan 133 is flapping between port Po1 and port Gi0/4 Please refer attached topology  Here : 1) Gi0/4(Desig-FWD)...

I have two Nexus 7k's that each have two FEX's connected to them.  The VPC between the 7k's is up and operational.  The FEX connections are online as well.  Here is my issue.  If I have device connected to FEX, it cannot communicate with a device in ...

Hi Network engineers,       We have a cisco catalyst 4500 switch and we have a network printer attached to it .when i ping the network printer from my lan pc ,i am getting packet drops. So i check the switch interface i was shocked to see there are s...

Hi,We have 2 vlans configured on cisco 881 router, fastethernet2 (vlan2) and fastethernet3 (vlan3). vlan2 configured as a dhcp server for 192.168.99.X while the vlan3 configured for dhcp 192.168.100.X. Currently, both vlans not able to communicate wi...

Is this correct ?VLAN is nothing but a broadcast domain used for logically group devices and to isolate different types of traffic.Thanks in advance.Regards,Chandu

I have same series lan switches about 25 numbers and all of them are to be upgraded to the latest ios.how do i do at time so that my work finishes smoothly.since the IOS in all of them will be same.Any tips and workaround are appriciated.Regards,SM N...

Hello,I am looking to transition from VLAN 1 to VLAN 11 on my Catalyst 2960s as per Cisco best practices.  When I look at 'show vlan' I get the following output:VLAN Name                             Status    Ports---- -------------------------------...