Switching

Hi,I'm planning to introduce OSPF Multiarea in a Campus Backbone based on the traditional network layer Core-Dsitribution-Access, the L3 is transported until the Access-Switches.The Area 0 will include the Core Switches and the Distribution ones, the...

on ISR 12.4(20)T2, object-group for acls feature have a strange behaviourobject-group service OGs_Standard eigrp icmp tcp eq echoIP access-list extended Acl_Inside... 210 permit object-group OGs_Standard any any 220 deny ip any any log (22 mat...

I have a 3750 PoE switch with vlan 10 for data and vlan 50 for voice. I am having problems when i move the phone and pc to a new port. It does not get on the network unless I flip the switchport trunk native vlan between vlan 10 and vlan 50. Can you ...

Hello,Im used to using Sonicwalls and hav absolutly no problem setting up VPN's on them.I have never dealt with 871's before and have come to the realization that this is NOT the most friendliest device around. They dont need to make it this complica...

Could vPC be leveraged with Nexus 5Ks in the distro layer and stacked 3rd party switches in the access layer?So, imagine I have a 3Com or Dell or HP stacked switches in the access layer.I think the answer is yes because the vPC functionality (similar...

Hi, need a little straightening out in my head...How does stacking effect LAGs?If a switch can only support 8 ports per LAG, yet you need more ports to be part of the LAG, the answer, I am told, is to stack the switches...A bit confused...If I have a...

Can catalsyt support mix and match? I wanna use some ports with ISL and and some with DOT1.Q trunking.  Is it possible or you are bound to use only one for the whole chassis.

Hello all,Im VERY new to cisco, so far im not impressed whatsoever of the user friendlyness at all. Im used to Sonicwall (at least they have a log telling you wants going on and whats wrong.)Anyways, I have to locations that I need to setup a VPn bet...

Hi All,Been eyeing up these new 2360 Switches, and was wondering if anyone has used them, and could share their experiences with them?We're in the process of building a couple of new DataCentres and may look to use these instead of the 3750 / 3560 se...

hi guys...while saving the running conf to startup conf in 2950 switch, it shows an message is that "configuration buffer size ful.cant add command:l". %aborting save.compress the config. (ok)?what can i should do?i attached the error message with th...

ASA5510 with IPS module and 3750G stacked switches.  Everything is working normal...so we introduced two new Barracuda devices inline (Web Filter and IM Filter) on the same subnet at the 3750 Core switch and the ASA Inside interface.  Here's where it...

This is a follow-up to this thread: https://supportforums.cisco.com/message/3178789#3178789Some documents mention certain access switches have L3-aware ASIC's that can snoop the IGMP packets w/o crushing the switch CPU.Does anyone know where I can fi...