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Answer Support ingress queuing, scheduling, and shaping Classification using EXP for VPLS without tunnel ACL-based classification for ingress QoS Layer 2 policers: per-VLAN ingress policers and per-VLAN egress policers Match 802.1p and PLP in a firewall filter Rewrite inner packets 802.1p Rate limit per queue Includes DEI7 bit in 802.1p-based classification Double the number of subscribers, schedulers, shapers, and queues per DPC Multiple VLAN bundling (interface sets within interface sets) Class-aware hierarchical policers For more information, see MX Series Interface Module Reference #enhancedqueuingDPC #FAQ #JuniperMXSeries
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Answer The Layer 3 interface policer limit for I-chip-based DPCs is 39,000 possible, with 16,000 tested. In most implementations, logical interface limits are reached per port and per Packet Forwarding Engine before policer limits are reached
With an Enhanced Queuing DPC, you can rate limit traffic by using firewall filters to apply single-rate two-color policers to the input or output traffic at logical interfaces. However, rate-limit is supported at the physical interface level on Enhanced Queuing DPCs in Junos OS Release 10.0 and later
Question Is hierarchical QoS per VLAN supported on aggregated Ethernet (AE) interfaces?...For MX Series devices with AE interfaces, hierarchical QoS per VLAN is available over a link aggregation group (LAG) in Junos OS Release 9.4 and later
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Additional features supported on these DPC types include: Four-level hierarchical WRR Four levels of per-VLAN queue priority Priority propagation Drop statistics per VLAN, color, or queue Changeable allocation of schedulers per port for up to 8,000 scheduler nodes with eight queues each or 16,000 nodes with four queues each For more information, see MX Series Interface Module Reference #DPCE-Q #JuniperMXSeries #FAQ #vlan
PIR on these devices is supported by using the rate-limit statement. You can achieve an effect similar to CIR and PIR at the queue level by combining tricolor policers with rate-limit and drop profiles
Is hierarchical QoS per VLAN supported on aggregated Ethernet (AE) interfaces?...#CoSschedulers #QOS #FAQ #JuniperMXSeries #vlan
The theme for this series is “ALL IN ONE BOX”; It helps you in building service provider networks with multiple rich features like IPv6 [6PE,6VPE], multicast, L2VPN, L3VPN, INTER-AS VPN [OPTION A,B,C], etc. with the help of a single Juniper box!
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