Hi Jon, Yes, you are right. There is no API to change the aging interval of a BD. It seems when MAC aging support was added to VPP, a new CLI but no API was added to change the aging value of a BD. It should be fairly straightforward to add this new API except we are now in API freeze for 17.04 release. Without a new API, I suppose the only way to change MAC aging in a BD is to use the bridge_domain_add_del API to specify all the feature flags and MAC aging value to overwrite the current BD setting.
Regards, John From: Jon Loeliger [mailto:j...@netgate.com] Sent: Wednesday, March 15, 2017 3:56 PM To: John Lo (loj) <l...@cisco.com> Cc: vpp-dev <vpp-dev@lists.fd.io> Subject: Re: [vpp-dev] Some L2 Bridge API Questions John, So, I see that, when creating a bridge domain using the API call bridge_domain_add_del, one can specify some feature flags of the domain as well as the mac-age parameter. Later, it looks like one can alter the feature flags using the API call bridge_flags, changing one or more features to be enabled or disabled on the fly. However, it looks like there is no mechanism to alter just the mac-age parameter. So, a few questions. Is one expected to re-issue the bridge domain "add" request again, with all the same flag-bits, but with the new mac-age value? Or is this just a missing API call that is yet to be added? In particular, I notice that the code in src/vnet/l2/l2_bd.c has a command to set a new mac-age, but it doesn't make an API call to do so; instead it appears to go directly to the underlying implementation to affect a change. Any advice here? Thanks, jdl
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