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For the discovery of any IPv6 network, at least one well-connected IPv6 router (preferably with routes to all other networks to be managed by NetMRI) must be placed in the Seed Router list. In some cases, seed routers may not have the full routing tables or be unable to provide full information for some reason. The general rule of thumb is that more seed routers are better, but the connectivity of the seed router(s) also helps determine how many seed routers you need. Avoid having more seed entries than necessary. Also, note that seed routers are included in the CIDRs count that should not exceed 1000 as recommended in the Infoblox Discovery Best Practices Guide.
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For effective use of seed routers, you must also provide admin credentials to NetMRI to allow it to pull the key routing and connectivity information, including the IPv6 routing table and the local Neighbor Discovery Cache, from the device. NetMRI uses the standard IPv6 counterparts to standard communications protocols, including SSH and SNMP. |
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