dns
150 TopicsLogging DNS Requests
Hello, I've needed an iRule to read query & query-type from dns packets and send them to remote syslog server. I found a couple of posts on devcentral but looks like they work if you have DNS / GTM license. So, i wrote one for my own needs. May be there is someone who needs same thing. Here it is. DNS_queryLogger918Views3likes2Commentsfqdn Pool member as IP VS in the same device or in the same 1 IP management or same box
Hii Everyone, I have a VS, snat automap, and using fqdn member that resolve dns in IP (10.1.1.x). Can I using the fqdn member (10.1.1.x), as IP VS in the same box or same ip management?? it can works ? If can'nt, what is the reason ?? Thankyouu so much ....573Views1like3CommentsView zone bigip dns manipulation
I have a bigip dns configured with 1 listening ip (I can have 2 if necessary), inside the bigip dns I have 2 views, one INTERNAL and the other INTRANET, in each view I have the same zones but with different ips, example: INTERNAL xpto zone. com.br entry type A 123.xpto.com.br ip 192.168.10.10, and in the INTRANET zone xpto.com.br entry type A 123.xpto.com.br ip 10.20.10.10. All my clients arrive here at some address in the 10.0.0.0/8 range. I need to find a way that when customers make a request I can direct them to a specific view, in this case INTRANET or INTERNAL. Another alternative that seems easier is to have 2 listening and each one responds through a view, but how to do that? It seems to me that when listening is consulted, it resolves by taking the priority view and if it does not find it, it goes on to the others if they exist, but in this case, as the zones are the same, they will always exist and I will never be able to deliver different ips as I want. Anyone any light?504Views1like2CommentsGTM Redundant pair Listener IP address
Hello All, Sorry for the basic question, but I find the deployment guides and implementation guides lasking some basic information. When deploying a redundant GTM pair, does the listener for the DNS queries use the floating IP address? When deploying a single GTM it is mentioned that we use a self IP, but for a redundant pair it does eplicitly say. Since the configuration is done on one GTM in the pair and synchronised to the other backup device, I do tno think a self-IP is going work. Can we use a IP from the subnet used for the LTM VIPs? This subnet is not on a directly connected VLAN, but is a subnet that is routed to the BIg-IP. Many thanks, MichaelSolved1.2KViews1like2CommentsF5 DNS - When at least 1 service in a DataCenter is down, is it possible to move all DNS responses to another Data Center?
I have 2 F5 BIG-IP DNS deployed in 2 geographically separated Data Centers. The current solution is configured to always respond with the IPs hosted in the first DataCenter for all services regardless of the origin of the DNS query. However, what I want now is to configure the solution so that, as soon as at least 1 service of the first DataCenter is down, all the DNS responses will use the IPs of the second DataCenter. For example: DC1: Serv1: 10.10.10.10 Serv2: 10.10.10.11 Serv3: 10.10.10.12 DC2: Serv1: 10.20.20.10 Serv2: 10.20.20.11 Serv3: 10.20.20.12 When all services in the first Data Center are up, whenever someone asks for the IP of serv1, serv2 or serv3, the DNS response will be 10.10.10.10, 10.10.10.11 or 10.10.10.12. However, when serv1 in DataCenter 1 is down, all DNS responses change and now will be 10.20.20.10, 10.20.20.11 or 10.20.20.12 eventhough only serv1 in DataCenter 1 is down. I have looked for some example of this configuration but I haven't been able to find one. Is there a guide or way to do this? I'd really appreciate your help. Thank you so much!Solved588Views1like2Comments