Other Network Architecture Subjects

I have Cisco Catalyst 3550 switches with copper gigabit support.We are connecting Sun 480 and 490 servers to several switchports. The servers run at 100/full and the switchports are set for 100/full. When any of these servers are rebooted, CRC erro...

We are using a 6509 IOS core switch with a 24 Port SFP Module WS-X6724-SFP.All the plugged SFPs are MM. We intend to connect some sites using SM fiber. Are there any requirements like IOS upgrade/feature or compatibiliy issues if SM SFPs (GLC-LH-SM) ...

Hi All,I am getting ready to migrate data and management off of vlan 1 in a production environment and would like to hear from anyone who has done this before. Hopefully, I will be able to plan this out well and minimise any downtime.I have a numbe...

If I had 2 seperate 2 meg dsl lines, and a router with 2 serials, How to I link the 2 lines together to create a 4 meg line out of the 2 dsl's ?

HiWhat are the flash & memory requirements on Cisco 1720 & 2620 routers to upgrade the IOS to latest?Any links available?Thanks in advance. // Anoop

Hi,I'd like to know wthether we can create a port channel between an odd number port and an even number port on WS-X6748-SFP ? (ex: Channel Group 1 (PO1) includes Port 47 and 48 .)Are there any limitations on this way to use ? That comes from the WS-...

Hi...If all internal clients are setup to access internet via a DMZ proxy server (ex: ISA) and any direct http requests bypassing this server will be dropped by he firewall, is it enough to NAT (static nat) the Proxy server IP address only and not al...

Hello all, I have a 3750 switch with 4 vlans. Vlans 1 through 4 all route perfectly to the internet. The 4th vlan does not route out to the internet. I have an ip helper-address configured for the vlan and also I have a gateway of last resort set as ...

Hi,I don't really know what the term is called.I got an ADSL Line with 6 External IPxxx.xxx.xxx.209/255.255.255.248, my internal network are 10.1.5.1/24How can I allow my Private IP server (10.1.5.10) when sending out mail smtp port (25) to go out us...

Hi,I am looking for a solution that will support about 70 ports and will allow vlans among all of these ports. I have found a nice catalyst 5505 for a reasonable price, and was wondering if all the switch modules in it acted as 1 module, or if they...

Hello, Will there be any future support for enabling CDP on VLAN interfaces.Best RegardsRobert Maras

Hello,I have one 6500sup720 connectedin etherchannel with another 6500sup720Version is :Version 12.2(17a)SXHere is show run 6500-1:!interface Port-channel1 no ip address switchport switchport trunk encapsulation dot1q switchport mode trunk!interface ...

Is there any command to see dfc memory on SUP32?

hi,In our 4510 switch we are having 2 modules one is ws-x4306 and another is ws-x4418. For later module I found that 3-18 ports are oversubscribed and not recommended for connection to switch or router. I could not find any this kind of information a...