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The vRouter Yang models currently model the SNMP community strings as a list key. The community string permits SNMP access to a device, so is considered as sensitive information that warrants restricted access.
Extend "show bfd session" to include local interface
Augment the "show bfd session" output to include the local interface.
Allow firewall rule logging on packets which have session state by NAT or FW without significantly affecting throughput
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The goal of this infrastructure is to make the transition to Vyatta components easier and to allow for some code reuse with the existing implementations. Some features will benefit from this but others are written so far outside of the recommended mechanism that they will still require significant rework to be ported and a fully developed component should be considered in those cases for performance reasons.
OSPF – Avoid database overflow (support for RFC 1765)
In OSPF it is important that "eventually" each router in an OSPF area has an identical Link State Database for that area. If not routing loops can occur. If a router in an OSPF area runs out of resource (no CPU available to process LSA's or no memory left to store/flood LSA's), the Link State Database for the router may never reach the same final state as its neighbors.
To prevent any router from running out of resource, if the number of External-LSA's reaches a preconfigured limit (ospfExtLsdbLimit), all non-default external LSA's originated by the router are flushed. This limit must be provisioned identically on all routers in an OSPF autonomous system. This limit cannot be per OSPF area as External-LSA's are flooded across all areas.
This trigger puts the router into "OverflowState".
After a configurable timeout has elapsed (ospfExitOverflowInterval), the router can attempt to leave "OverflowState". The router will only attempt to leave "OverflowState" if the current LSA count + the extra externals to be originated < ospfExtLsdbLimit. If the timeout is not specified the router will not leave "OverflowState" until the OSPF process is restarted.
In an attempt to maintain general external network reachability, External-LSA's that carry the default route are left untouched by this feature.
Tracking feature support for VRRP/Route
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