Log in to ask questions, share your expertise, or stay connected to content you value. Don’t have a login? Learn how to become a member.
Question What are the differences in packet processing between a VT interface and an LSI interface (vrf-table-label or no-tunnel-services)? Answer The LSI interface provides better packet processing performance than the VT interface, unless there are core-facing interface restrictions or...
Question How frequently should a device be polled? Answer It is difficult to give an absolute number for the rate of SNMP polls per second since the rate depends on the following two factors: The number of variable bindings in a protocol data unit (PDU) The response time for an...
Question What is the difference in buffer management on the MPCs compared with the DPCs? Answer On port-queuing DPCs, 64 byte-per-unit dynamic buffers are available per queue. If a queue is using more than its allocated bandwidth share due to excess bandwidth left over from other queues,...
Question What is the total number of Packet Forwarding Engines in each of the DPCs using the Junos Trio chipset? Answer The 16-port 10-Gigabit Ethernet MPC on MX Series routers has a total of four Packet Forwarding Engines per MPC. Each MPC has two Packet Forwarding Engines. For...
Question How does Juniper use Packet Loss Priority and RED Drop profiles to manage congestion? Answer Random Early Discard (RED), also known as Random Early Detection , is a congestion avoidance mechanism. It helps to mitigate the impact of congestion (specifically with TCP-based traffic)...