Other Network Architecture Subjects

Hihow does spanning tree port cost and port priority work. I think that after determinig the cost to the root then port priority comes into play. am i right. My question if i have two ports on my switch with port 1 cost to root less than port 2 and i...

Sorry if this is a stupid question but I don't understand well why I am able to see routeD 152.1.1.4/30 on RouterD.Basically the network 152.1.1.4/30 has been advertised via OSPF on RouterC interface. However, that was not advertised there as a...

Hi,I have configured 2 ports on my Catalyst 6509 to be members of an etherchannel like so:set port channel 3/3, 3/17 mode desirable non-silentOn the 3560 I have done the followinginterface gi0/1channel group 1 mode desirableinterface gi0/24 channel g...

Is it possible to configure a 3550 switch to make what are essentialy policy routing decisions based upon a port?? I have a 3550 switch in my customers DMZ which is the egress point off of the production network to the Internet. I have 2 ISP connec...

Hi AllI saw the below %SYS-2-MALLOCFAIL log in my Catalyst switch for 30 mins.After that there is no messages at all for past 1 week and switch is running good and processor memory usage is around 7% as of now.Why this message got diaplayed at that t...

Hi,We have a problem with WLBS. We have 2 windows 2000 servers connected to an Access layer 2950 switch. In the distribution layer we have 2 6509 with redundant MSFCs. The WLBS is configured in Multicast ModeThe problem in that when we put a static A...

I'm looking to upgrade our access switches in our DC. Currently we are using 2948G's gig uplinked to our 6509s for customer access. Since these switches are going or are EOL, I'm looking at what switches I should be stepping up to. Any input on what ...

I want to setup and test HSRP, but I don't have a testbed or much downtime. Can I setup HSRP and my users still use the assigned addresses on the interfaces. Ex.10.10.10.1 is their def. gateway. Create a HSRP address at 10.10.10.9.I use the .9 for te...

I have a couple of Cat 500 express routers in a two building network connected with wireless access points. I had a wireless drop to due to a user unplugging the wireless AP and my switch put my port into disale state "due to traffic only passing in ...

we have a number of campus LANs that for historical reasons, all have the same VTP domain name (even though they are seperate domains).we'd like to change the domain names so that they are unique throughout the network. is the correct method of achei...

I am trying to help a small catholic school in NC. They purchased a CE 500 24TT swith and I am having a problem connecting other (non-cisco) switches and hubs to it. Specifically, a 4 port hub in their library goes to a 6 port switch in a closet th...

I currently have a SUP1a w/MSFC in slot one, I want to install a redundant SUP1a into the switch. The first available slot in the switch is slot 4. Will the SUP in slot 1 properly copy the config down to slot 4?We are talking about a 6506 btw.

I have cisco 2821 with VWIC(2 E1) and need to terminate in PABX outgoing calls will be sent to service provider network.any document that explain me how to configure.thanksasim