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homework link 9.7
You can use System Manager to modify the settings of a share such as the symbolic link settings, share access permissions of users or groups, and the type of access to the share. You can also enable or disable continuous availability of a share over Hyper-V, and enable or disable access-based enumeration (ABE). Starting with System Manager 9.6, continuous availability is supported for FlexGroup volumes.
BGP will be used on each link and extended communities outbound on the ASA will be used to influence the inbound path for the public subnet sat on the inside of the ASA with one link primary and one secondary. To influence the outbound traffic from the ASA, weight or local preference will be set with a route-map or neighbor statement for the incoming default route the ISP will advertise to us, again giving us a primary and secondary path.
Hi Steven, thanks for the reply however that is not really what I was asking. The SP provides a /29 prefix, however they will route this down a /31 or /30 P2P link. If dual circuits are provided then eBGP must be used - there is no choice in this with the SP. This is a wires-only service so I need to terminate the circuits and eBGP on something. There is no budget for any new hardware so I am looking at what I have available to me. There is a HA pair of ASA5500-X series firewalls so with ASA 9.2(4)+ BGP is available and with 9.7+ /31 IPv4 addressing is available.
My question was how will it work with ASA HA? I know monitoring is affected due to the standby not having an IPv4 address, however physical monitoring will still work (link up/down). The BGP sessions will need to be reestablished so I am guessing there might be some downtime? My understanding is the FIB continues for 15-seconds after switchover, however during this 15-seconds routing adjacencies need to be reform?
Hi Steven, I don't think I can explain it any clearer TBH..... Two Ethernet P2P links to the same ISP - one primary and one backup. Each link will be either a /30 or a /31 public subnet. These will come into a L2 switch with a VLAN dedicated to each link. A HA pair of ASA's will also link into this L2 switch and connect to each circuit. The ISP only supports eBGP. I therefore have to configure eBGP on the ASA with a peer at the end of each link. The ISP will announce a default downstream and the ASA will announce the /29 public prefix outbound. Route-maps will be used inbound and outbound to influence the primary and backup paths.However this isn't the question as I know it will work... I want to know when ASA HA is thrown into the mix how will it behave?
The last command launches the build in parallel on 8 threads (as specified by -j8); adaptto your CPU (usually you may choose a number of threads that is twice the number of cores of your CPU).The build time is about half an hour on a modern CPU. Once it is finished, you can create a symbolic link by typing
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