Other Network Architecture Subjects

On an 8540 with a C8546MSR-MSP-FCL do you need to add a 8540-ARM module in order to do RFC1483 bridging? I would think that for "routed" 1483 you would need an ARM, but i wouldn't think it would be needed for bridging. The cisco documentation was a...

I am in need of managing my cicuit due to congetstion at certain times of the day. This is usually due to a mailing list we deply a few times a week. Of course on an unmanaged network, we have issueswith pages being accessed as well as simple udp(d...

I upgraded from Cat 3550 to 6500. The 6500 acts as my access, distribution, and core. When we upgrade we had alot of issues with poor performance. Almost all of them were related to speed and duplexing issues. By hardcoding the ports on both side...

what's the relation between the virtual-template and virtual-access interface?Here is what I created on the router:interface virtual-template 1ip add 1.1.1.1 255.0.0.0ppp multilinkthen I show inter virtual-template 1 is still down,but if show inter v...

Hi,I am trying to get netflow to give me information on the top destination AS's that our traffic is heading for. We mainly host web sites so most of our traffic is outbound. I have been looking at improving our peering arrangements by directly con...

I'm going round and round with my service provider on my NxT1 DIA and throughput "issues". They say they do not support MLPPP or inverse mux but sold me 4 T1's and claim the bandwidth is 6 Mb....I'm not seeing it (from several speed test sites). I u...

I have two locations connected by T1 with cisco router on each end. Each router has a connection to a dsl line from isp. One dsl line has failed and I need to set route to point internet traffic to the other router's dsl line across the T1 connection...

Hi all. I've run in to an awful lot of network professionals who use the subnet mask 255.255.255.0 almost exclusively in their designs, and when I've asked why, they all seem to claim it is the result of a best practice in design. Yet when I ask for...

Hi - Can´t seem to find an answer to this in the documentation or the web site.If you have a Supervisor 720 installed in slot 5 on a 6509, can you place normal line cards in slot 1 or does slot 1 remain unusable.

Hi,I am wondering if there is a difference between the following two versions of software for the Catalyst 3750:C3750 SMI IOS IMAGECATALYST 3750 SMI IMAGEAny comments would be appreciated.

I have a customer who has two offices, both have two Internet feeds. The problem is, both Internet feeds are from the same ISP, on the same subnet. My customer wants to load balance traffic out both Internet links, but, i'm a little stuck how I can...

Hi,When i am trying to show ip cache flow in my router.It is showing a lot of Null traffic from internal and external ip's.What is Null traffic, does this traffic considered as a virus affected traffic.Thanks

Hi,Is it free or we need to pay to have Cisco IOS Enhanced L3 SUP4/5. We want run OSPF.THanks