CSS newbie: best methods for fate sharing with ASR.
New to CSS 11506, trying to determine best method for fate sharing when using ASR. Have figured out VIP and Virtual Interface (I think, see below). But can't find any design info about whether to use ip critical-service (and how...) or ip critical-reporter (and how...)?
Are these choices based in some way upon the services?
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Re: CSS newbie: best methods for fate sharing with ASR.
if you are running version 7.3, then you have a choice. The critical reporter is a step in Virtual Router peering, which is a more predictable method of fate sharing than using critical services. It is preferable as long as you meet the following requirements:
--Ensure that you have configured VIP and virtual interface redundancy properly.
--VRID peering is not supported with shared VIP redundancy.
--Ensure that a VR exists before you attempt to configure it on a reporter.
--All VRs associated with a VRID peering reporter must have the same priority and preempt configurations.
--Do not configure the same IP address and VRID on more than one reporter.
--You can configure a maximum of 128 reporters on a CSS.
--You can configure a maximum of four reporters of type VRID peer on a CSS.
--You can configure a maximum of eight VRIDs on a reporter of type VRID peer.
If you meet those requirements then I would suggest reporters. You can see the Virtual Router ID peering
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