Switching

Hey guys. I have a question about native vlans. Our Gateway has the configuration listed below. We have two switches, A and B, that have two different native vlans, but the gateway has no native vlan assigned to it. So, what does having 3 different n...

Hello please explain how bridging loops occur because I cannot understand this; http://www.cisco.com/en/US/docs/internetworking/technology/handbook/Transparent-Bridging.htmlFigure 23-2If host A sends a frame to host B than host B will receive 2 frame...

I have 2 3825 routers connected by a 30meg fiber link. I am having intermittent congestion problems and need some suggestions.

Hi,can i stack one Cisco Catalyst 3750G-12S and Cisco Catalyst 3750 - 24TS together?Thanks

Helo all I have Cisco AiroNet 1121 that have limitation to add 43 mac adres via web interface to ACL table.I try to edit an ACL list but when i add nex entry in ACl like access-list 770 permit 0012.3456.7890 0000.0000.0000The entry is added after the...

By default in Cisco switch is flow control on or off?

Is it possible to configure netflow on a Cisco catalyst express 500 switch? if so does anyone know which version its supports? 5,7,89?

Hi all, can anyone tell me the difference between pvid tagging and vlan tagging ?

we're having issue with sending multicast traffic between VLANs on the same core switchSo for example on our switch we have VLANs 100 and 101 We can send multicast traffic from VLAN 100 to VLAN 101. However, a source from VLAN 101 cannot send multica...

Hey all,One of my switches has gone to HSRP standby mode, even though i removed the connection to the other active switch, the old primary switch which had better priority and prempt configured is not coming up.how to force the old switch to come up...

Hi,I have this routing problem and need some help please.two 6509 switches as core switches in the datacenter runing 255 vlans. have hsrp between them. due to some L2 issues our L2 designer at the last momenet revert all on VLAN1 on one of the 2 6506...

I have a pair of ASAs. I want to create a DMZ with a gigabit switch...is there any reason to use a layer 3 switch over a layer 2 switch? All the routing from internal/external to DMZ will be handled by the ASA...

HiI need to set a site-to-site IPSEC VPN connection for the first time. I'm going to connect to one of our data feed suppliers, how have their internal IP as 10.30.0.0/16. However I already have this network setup on my end. I assume I have to use NA...