In trying to get SLB to work I believe I'm missing something I imagine is quite basic but i don't know what it is. The short description of my problem is that traffic is not sent back to the client when establishing a connection via the VIP.
I'm using base equipment: a Cat6509 with a Sup-1a, PFC, and MSFC. It's running 12.1(23) so it should be okay. I have a plain vanilla config:
ip slb serverfarm FARM.100
ip slb vserver EBUSINESSCRP
virtual 188.8.131.52 tcp 0
I have not defined a Vlan for the VIP - didn't work when i did, and can't see why it is necessary(?)
All the show cmds look good except the sh ip slb reals which has the .106 server in READY_TO_TEST state.
I can ping the VIP
I can telnet (on the required port) to the reals
I cannot telnet to the VIP
- sh ip slb conns tells me there is a connection
- tcpdump on the real servers shows the inbound but no outbound traffic, unlike when I tcpdump while connecting to the real. It leads me to think there might be some issue with the RedHat servers but saying so just results in multilateral finger pointing. The svrs have NICs on several VLANs but their default gateways are on the real srvrs VLAN - 10.33.10.x
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==================== VIC FNIC driver does not support Virtual Volumes (
second level LUN ID ) An enhancement request has been created to track
this feature - CSCux64473 UPDATE - 12-14-2016 We made some traction on
the enhancement request - The Fix is in t...