Switching

Scenario: I have a 3560 switch. 48- 100Mb ports and 4 - 1Gb ports. Can the 4 - 1 Gb ports combined really handle 4 Gbps of total throughput or provide 4-Gbs of bandwidth?How about the 100 Mb ports? 48X100 = 4.8 Gbps, is this really possible? What ar...

Hi all,There two sites in our environment. One is a data-center (25 servers) and the other consists of about 300 users.The link between these sites is a 100Mb OptiMAN fiber Ethernet connection. The link is connected via a 3750 switch (routed) interfa...

We have two Cat6500 switches (core1 and core2)interconnected with trunk port. we also have a few of access switches to uplink to two core switches with trunk port.In core switch, we use SPT (RPVST)for L2 load balancing and HSRP for L3 load balancing ...

I have Supervisor 5 on my 4510. I tried upgrading to the newest version and it wouldn't take the IOS. Could someone explain to me the difference in the 4000 and 4500 images? There are two choices when downloading the images.

I have a router with multiple interfaces aggregating about 25Mb of traffic with a somewhat high CPU utilization. Ping times to the device fluctuate between 3ms and 180ms depending on the CPU load. We have WCCP directing traffic to a Barracuda web f...

All,Can I use ISSU for 6509 software upgrade? Or ISSU is just for software patch?Thanks,

Hi All,What does mean by invalid boot string, how can i set the correct boot string.6513-01#show diagnostic sanityPinging default gateway 192.168.30.1Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.30.1, timeout is 2 seconds:!...

Hi,I have some 10 servers which is runing multicast applications. Now I would like know those Multicast IP address of those servers.Is there any command to check the same in router.Regardssateesh

Hello,We run a dedicated server business. \We assign ONE VLAN per customer with a 8 IP subnet (5 Usable) for the primary IP of the server + 4 IP's the customer can use.When assigning additional IP's to our dedicated server customers... which one of t...

I have two 6509 switch connected via a fiber trunk on the SUP blade.All vlans are trunked on this trunk.Both switches have monitor sessions set up on them and I am getting an error trying to create an additional one.I am thinking I can remove one of ...

A vendor has requested that I enable multicasting. The video will be broadcasted over a flat network/one subnet. Network consist of a meto-e terminated in a 4503 with 12 2960s. As long as they are sending the multicast traffic to 224.0.0.1, will i...

Hi, I just upgraded the IOS on dual Sup720's in a 6509 chassis. I FTP'd the new IOS on both fine, updated the Boot system to load the new IOS. Reloaded switch and all seemed to work ok.However, every time I do a wr mem I get the following error mes...