I am looking for a good article about data center design. I need some information about requirements for topics such temperature control, power, security, ventilation, etc.
Hi,I have some servers in both side of CSS and I would like they communicate. My question is: "Can I configure on both sides the VIP address?"Can anyone give me an answer?thank you.Regards.G.
Hi,I have a question regarding VMWare in the data centre.We currently have a two-site data centre configured as ne logical DC.Within that DC, we run multiple VRF's to allow different companies to utilise the network infrastructure.The VRF's are separ...
Hi,I have a problem regarding to the CSS configuration. In particular, I have only a VLAN to be used both for the uplink side and for server side.I would like if there are any issues for that type of configuration.Moreover I was thinking if I can con...
Hi all, i configured SLB using a vserver with 2 reals. Everything is operational... Set for Leastconn, everything else default. Issue is 6 sessions are open to the VIP, all 6 go to REAL1. Only when Real1 is turned off does Real2 get any traffic, wh...
To to pick your brain i have 2 pairs of dark fibers between two datacenters. Dark fibers are terminating on 8 Port channel CWDM and have two pairs of catalyst 6509 switches connecting to the CWDM using 2 channels each at each datacenters. The conne...
In server teaming when we select TLB (transmit load balancing) method. Server will transmit packets based on single virtual IP address and different MAC addresses. If the server gateway is FWSM, how FWSM will treat a packet when it receives one packe...
Does anyone have information on how many ms a Catalyst 2960 can stay running without power before rebooting? (Seems that the power supplies for 4500 etc can manage 20 ms.) I have a potential loss of power for 3-5 ms, and would like to manage without ...
The network topology that I have is two MSFCs and two external routers at central site and two MSFCs and two external routers at the remote site.DLSW is activated on the external routers. In regards to DLSW+ ER at the central site, only one translati...
Hello,I really hope that someone will be able to give me a hand on this. Has been struggling for a while with no luck. Somehow, the real servers can not access Internet in our Data Center. We are running paired 6500s with FWSM and CSM-S. If we chang...
I have 3 IBM H series blade centres with 6 switches in and when I try to configure trunks to the core switches and open them up to participate in VTP and spanning-tree, the error message"This port cannot be put in to shutdown state" but the port st...
hi,I have 2 cisco and I want to make all requests go to ccs1 contnet vip address unless it is unavailable.I have configured dnsbalance preferlocal under the owner of ccs1 and no dnsbalance under the owner on css2. However nslookup still returns the v...
client through CSS port 13059 to serverrandomly stops after 20 minutes and session is stopped - sniffer shows TCP Reset Is there a default setting for TCP Resets on a CSS?In the "show flow 0.0.0.0" how long do these remain before they are removed?
Hello, I have a Cat6500 with CSM-S module. I made a configuration for https connections in witch the client sends encrypted traffic to the server (port 443). CSM forward the encrypted traffic into SSL card where it was decrypted and go again to the C...
