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Supported MPLS Scaling Values

This topic lists the MPLS scaling values supported on QFX Series and on EX4600 switches.

Table 1 lists the MPLS scaling values supported on Juniper QFX and on EX4600 switches.

Table 1: MPLS Scaling Values

Feature

QFX3500 Scaling Value

QFX5100 and EX4600 Scaling Value

Maximum number of MPLS labels in a packet’s label stack

3 labels for Push operations

2 labels for Pop operations

1 label for Swap operations

3 labels for Push operations

2 labels for Pop operations

1 label for Swap operations

Maximum number of MPLS labels on provider switches

4096

16386

Maximum number of tunnel (combination of routes and LSPs) initiations

Ingress LSPs: 1024

Transit LSPs: 4000

Ingress LSPs: 1024

Transit LSPs: 16386

Maximum number of unique next-hops on egress provider edge (PE) switches

512

512

Maximum number of MPLS firewall filters

768

1536

Virtual Routing and Forwarding (VRF)

1K

1K

Layer 3 Host

IPV4: 8K

See Understanding the Unified Forwarding Table.

Layer 3 Longest Prefix Match (LPM)

IPV4: 16K

IPV6: 4K

See Understanding the Unified Forwarding Table.

Published: 2014-07-23