Distribution 1Root Bridge and hsrp Primary Distribution 2Secondary Root Bridge and hsrp Standby IOS Access Switch (4507/SupII) CatOS Access Switch (6500/Sup2) Switch Configurations for Layer 3 Access and Distribution Block Distribution Node eigrp Access Node eigrp (Redundant Supervisor) Distribution Node ospf Access Node ospf (Redundant.
We are extending the nederlandse sauna cadeaubon trust boundary to the access switch mls qos trust dscp!!Auto QoS defined policier policy-map autoqos-voip-policy class class-default dbl!Note Introducing a Layer 2 Spanning Tree loop into the network is not currently a recommended best practice.Configure root bridge priority.Free awesome font used.The time now is 12:15.Spanning Tree VersionRapid pvst (per vlan 802.1w) igpeigrp All changes from these base configurations for the additional test cases are documented in the results sections above.
In the event of a link failure, each node is able to independently re-route all traffic to the remaining redundant path.
Although the ability of the network to restore traffic flows because of component failure is independent of the routing protocol used, routing protocol convergence still takes place.
The voice and data vlans are unique for each access switch, and are trunked between the access switch and the distribution switches but not between the distribution switches.Spanning-tree mode pvst spanning-tree loopguard default no spanning-tree optimize bpdu transmission spanning-tree extend system-id spanning-tree uplinkfast spanning-tree backbonefast!On GigE and 10GigE fiber, link loss detection is normally accomplished using the Remote Fault detection mechanism implemented as a part of the 802.3z and 802.3ae link negotiation protocols.In order to protect against DoS attacks, either intentional or the side effect of a scanning worm, all of the Cisco Catalyst switches have implemented rate throttling mechanisms on ARP processing.Conversely, if the campus as a whole is configured as a single area with no route summarization, then the re-route occurs on the core nodes, once they determine the loss of the downstream route from one distribution switch.Note Please refer to the sections above for a detailed discussion of both of these behaviors.The following two differences are noticed in a glbp implementation.The campus network supports wireless.Equal cost paths on each of the core nodes split the load between the two distribution switches, which results in a symmetrical load on the return path downstream from the distribution to the access.
Downstream Convergence The restoration time for downstream traffic flows in a loop-free configuration is primarily determined by routing protocol convergence.
In both designs, each access switch is configured with a dedicated voice and data subnet (vlan).
The failure of the fiber between the core switches normally has no direct impact on unicast traffic flows.