Switching

Hi,We have two cat 5509's connected with a port channel. SwitchA can't see MAC addresses on SwitchB and visa versa.I'm going to try to post as many info as possible, hope it is all readable This is the setup:cat os 5.5 on both switchesPort channel an...

Hi,I have a 6509E with SUP720 enginne, I heard with this engine I can split one physical router to multiple virtual router, by using technology "vrf". Is it right? My purpose is divided this 6509 to multiple virtual router do a layer 3 function, eigr...

Are MTU settings gennerally even an issue any longer especially over the internet? We have 4 different lines to 4 different ISP's. I have been testing MTU and all 4 of them are supporting 1500. I'm simply using a "ping www.novell.com -f -l 1472". ...

Hi,I have a catalyst 5509 with a RSM. I was wondering if it is possible to get this switch to pull a DHCP IP address from a cable modem.I have tryed setting the sc0 interface to 0.0.0.0 and getting a dhcp address it fails in the process when adding ...

When creating SVI is it created on a separate MSFC say an L3 switch and is assigned to the FWSM?

I have several EtherChannel trunk bundled with two fiber in our 6509s. I have always noticed that if one link goes there is always a hiccup in this netwrok, for example we have two building connected with Etherchannel trunk and this moring one trunk ...

Hi all, I am going to set up a vpn tunnel on my asa, my question is , do I need to use Nat on it ?

Hello All, I am trying to log interface events (up/down)and various other events on a catalyst 6513 running 12.2(18)SXF8. It seems when an interface goes down nothing is logged. I have enable logging by entering:logging buffered 7 logging history 7lo...

What's the appropriate design of multicast MSDP peering in this scenario?1. Multiple buildings in a campus. Each building has two 6509 Layer 3 switches as building distribution layer and also configured as building's multicast RP routers.2. There's n...

I'm having trouble with an out-of-the-box 851 that I simply want to configure for a stub network to the world.Its fast4 is on the 132.239.x.x network, plugged into a 132.239.x.x switch, and machines in the 132.239. world can ping that interface. It...

I have a 2821 running c2800nm-securityk9-mz.124-3f.bin with two vwic2-2mtf-t1/e1 with a multilink (3 t1) bundle. Yesterday it started dropping internet packets and then crashed hard. I do not have any dump. Does anyone know of any hardware or soft...

Is it possible to configure a port for a host to view all other hosts on different vlans?

Hi all, I was reading some info on eigrp with the auto summary command switched on, If I have say 5 routers say on 10.1/16 10.2/16 10.3/16 10.4/16 and 10.5/16 each connected via an ethernet port in the 192.168.1.0/30 range, will they see each other w...

Hello,we've following situation- switch A is third party unmanaged switch- switch B is Catalyst 2950 or 2960- switch C is Catalyst 2950 acting as "Service Provider Egde"Switch A is connected to access port of switch B (configured with portfast), swit...