In general, we use ifName to identify interfaces monitored by mrtg. However, on MPLS PE or P routers, there are two instances with the same ifName one with ifType 6 for the physical characteristics, and one with ifType 166 for the MPLS counters. Without a lot of hacking to ignore ifType 166 interfaces, I think I¹ll need to come up with another way to identify those interfaces.
Cfgmaker doesn¹t appear to have any sort of fallback to change ifref if the criteria specified by ifref is unavailable. I tried a bunch of ways to work around it, but short of creating a new configuration option, it¹s pretty insistent on not allowing it. Would anyone find that a useful option for cfgmaker? Perhaps a name like ifref2? I imagine for consistency I would also need --ifdesc2.... -- Daniel J McDonald, CCIE # 2495, CISSP # 78281
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