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ERX310, ERX7xx, and ERX14xx System Maximums

The following tables provide system maximums for the ERX310, ERX7xx, and ERX14xx routers.

General System Maximums

Table 1 lists some general system maximums for the ERX routers.

Table 1: General System Maximums 
Feature
ERX310
ERX705 and ERX710
ERX1410
ERX1440

Fabric size

10 Gbps

5 or 10 Gbps

10 Gbps

40 Gbps

Chassis per 7-foot rack

14

6

3

3

NTP clients

1000

1000

1000

1000

NTP servers

300

300

300

300

Sessions per chassis (simultaneous Telnet + FTP + SSH, in any combination)

30

30

30

30

Virtual routers per chassis

1000

1000

1000

1000

Virtual routers per line module ASIC

1000

1000

1000

1000

ICR Partitions per chassis

640

640

640

640

ICR Partitions per line module

64

64

64

64


Physical and Logical Density Maximums

Table 2 lists physical and logical density maximums for the ERX routers. The following notes are referred to in Table 2:

  1. Wire rate indicates the port density that supports maximum (wire-rate) performance. Oversubscribed indicates the port density possible when you are willing to accept less than wire-rate performance by oversubscribing the available fabric bandwidth. The ERX310 and ERX1440 routers do not support oversubscription; port densities for these models indicate wire-rate performance.
  2. When you pair the GE-2 or GE-HDE line module with the GE-2 SFP I/O module on the ERX1440 router, you can terminate up to 24 Gigabit Ethernet interfaces. Slots 2 and 4 on the ERX1440 router support two Gigabit Ethernet interfaces at wire rate; the remaining 10 slots support one Gigabit Ethernet interface at wire rate. On the ERX310 router, all four ports (active and redundant) are at wire rate.

For more information about bandwidth and line-rate considerations for the GE-2 line module or the GE-HDE line module and their corresponding I/O modules on E Series routers, see JUNOSe Physical Layer Configuration Guide, Chapter 5, Configuring Ethernet Interfaces.

  1. When you pair the GE-HDE line module with the GE-8 I/O module on the ERX1440 router, you can terminate up to 96 Gigabit Ethernet interfaces. Slots 2 and 4 on the ERX1440 router support two Gigabit Ethernet interfaces at wire rate; the remaining 10 slots support one Gigabit Ethernet interface at wire rate. On the ERX310 router, only two Gigabit Ethernet interfaces per slot are at wire rate; therefore, only four Gigabit Ethernet interfaces are at wire rate for the entire router.

For more information about bandwidth and line-rate considerations for the GE-HDE line module and the GE-8 I/O module on E Series routers, see JUNOSe Physical Layer Configuration Guide, Chapter 5, Configuring Ethernet Interfaces.

  1. The OC3/STM-1 GE/FE line module and OC3-2 GE APS I/O module combination does not support line rate for Gigabit Ethernet interfaces.
  2. 
    
    
    
    Table 2: Physical and Logical Density Maximums 
    Feature
    ERX310
    ERX705 and ERX710
    ERX1410
    ERX1440
    Physical density wire rate/oversubscribed

    (See Note 1 on 69.)

    Channelized OC3 ports per chassis (cOC3 STM1 FO I/O modules)

    8

    16/20

    32/48

    48

    Channelized OC12 ports per chassis (cOC12 STM4 FO I/O modules)

    2

    4/5

    4/12

    12

    Channelized T3 ports per chassis (CT3/T3 12 I/O modules)

    24

    48/60

    96/144

    144

    E3 (unchannelized) ports per chassis (CT3/T3 12 I/O modules)

    24

    48/60

    96/144

    144

    Fast Ethernet (10/100) ports per chassis (FE-8 I/O and FE-8 SFP I/O modules)

    16

    32/40

    32/96

    96

    Gigabit Ethernet ports per chassis (GE I/O modules)

    2

    4/5

    4/12

    12

    Gigabit Ethernet ports per chassis (GE-2 SFP I/O modules)

    (See Note 2 on 69.)

    4

    -

    -

    14/24

    Gigabit Ethernet ports per chassis (GE-8 I/O modules)

    (See Note 3 on 69.)

    4/16

    -

    -

    14/96

    Gigabit Ethernet ports per chassis (OC3-2 GE APS I/O module)

    (See Note 4 on 69.)

    2

    4/5

    4/12

    12

    OC3/STM-1 ATM ports per chassis (OC3-4 I/O modules)

    8

    16/20

    32/48

    48

    OC3/STM-1 ATM ports per chassis (OC3-2 GE APS I/O module)

    4

    10

    24

    24

    OC3/STM-1 POS ports per chassis (OC3-4 I/O modules)

    8

    16/20

    16/48

    48

    OC12/STM-4 ATM ports per chassis (OC12 STM4 I/O modules)

    2

    4/5

    8/12

    12

    OC12/STM-4 POS ports per chassis (OC12 STM4 I/O modules)

    2

    4/5

    4/12

    12

    OC48/STM16 POS ports per chassis (OC48 FRAME I/O modules); ERX1440 router only

    -

    -

    -

    2

    T3 (unchannelized) ports per chassis (4xDS3 ATM I/O modules)

    8

    16/20

    32/48

    48

    T3 (unchannelized) ports per chassis (CT3/T3 12 I/O modules)

    24

    48/60

    96/144

    144

    Logical density per chassis

    Logical E1s per chassis

    504

    1260

    3024

    3024

    Logical E3s per chassis

    24

    60

    144

    144

    Logical fractional E1s (DS0) per chassis

    4000

    10,000

    24,000

    24,000

    Logical fractional T1s (DS0) per chassis

    4000

    10,000

    24,000

    24,000

    Logical OC3/STM1 per chassis

    8

    20

    48

    48

    Logical OC12/STM4 per chassis

    2

    5

    12

    12

    Logical OC48/STM16 per chassis (ERX1440 router only)

    -

    -

    -

    2

    Logical T1s per chassis

    672

    1680

    4032

    4032

    Logical T3s per chassis

    24

    60

    144

    144

    Logical density per module combination (specified line module and all supported I/O modules)

    Logical E1s per cOCx/STMx F0 line module

    252

    63 per OC3/STM1

    252

    63 per OC3/STM1

    252

    63 per OC3/STM1

    252

    63 per OC3/STM1

    Logical E3s per COCX-F3 line module

    12

    12

    12

    12

    Logical fractional E1s (DS0) per cOCx/STMx F0 line module

    2000

    500 per OC3/STM1

    2000

    500 per OC3/STM1

    2000

    500 per OC3/STM1

    2000

    500 per OC3/STM1

    Logical fractional T1s (DS0) per cOCx/STMx F0 line module

    2000

    500 per OC3/STM1

    2000

    500 per OC3/STM1

    2000

    500 per OC3/STM1

    2000

    500 per OC3/STM1

    Logical fractional T1s (DS0) per CT3/T3-F0 line module

    1992

    166 per T3

    1992

    166 per T3

    1992

    166 per T3

    1992

    166 per T3

    Logical fractional T3s (DS3) per COCX-F3 line module

    12

    12

    12

    12

    Logical T1s per cOCx/STMx F0 line module

    336

    84 per OC3/STM1

    336

    84 per OC3/STM1

    336

    84 per OC3/STM1

    336

    84 per OC3/STM1

    Logical T1s per CT3/T3-F0 line module

    336

    28 per T3

    336

    28 per T3

    336

    28 per T3

    336

    28 per T3

    Logical T3s per COCX-F3 line module

    12

    12

    12

    12

    Logical T3s per cOCx/STMx F0 line module

    12

    3 per OC3/STM1

    12

    3 per OC3/STM1

    12

    3 per OC3/STM1

    12

    3 per OC3/STM1

    Logical T3s per CT3/T3-F0

    12

    12

    12

    12

    Logical T3s per OCx/STMx/DS3-ATM line module with 4xDS3 ATM I/O module

    4

    4

    4

    4

Link Layer Maximums

Table 3 lists link layer maximums for the ERX routers. The following notes are referred to in Table 3:

  1. The ERX1440 router supports a maximum of 48,000 interface columns of all types combined. You can use either all dynamic interfaces or a combination of dynamic and static interfaces to achieve this maximum. For bridged Ethernet, IP network, and PPP interfaces, the ERX1440 router supports a maximum of 32,000 static major interfaces. Although the ERX1440 router supports a maximum of 48,000 static major interfaces for PPPoE, the PPPoE static limit is enforced at the subinterface level, which has a limit of 32,000.

The ERX705, ERX710, and ERX1410 routers support a maximum of 32,000 interfaces of all types combined; the ERX310 router supports a maximum of 16,000 interfaces of all types combined. For these routers, the interfaces can be any combination of dynamic or static.

The JUNOSe Software supports up to 10,000 PPP interfaces with EAP authentication negotiation configured. Performance and scalability is unchanged when EAP is not configured.

  1. The total maximum number of Ethernet subinterfaces that can be active at any one time on an ERX310 router, an ERX7xx router, or an ERX14xx router is limited by the number of slots per chassis. Of this total, you can configure all single-tagged VLAN subinterfaces, all double-tagged S-VLAN subinterfaces, or a combination of both VLAN subinterfaces and S-VLAN subinterfaces to achieve this maximum.
  2. 
    
    
    
    Table 3: Link Layer Maximums 
    Feature
    ERX310
    ERX705 and ERX710
    ERX1410
    ERX1440
    ARP entries per line module

    Dynamic ARP entries

    32,768

    32,768

    32,768

    32,768

    Static ARP entries

    32,768

    32,768

    32,768

    32,768

    Total ARP entries

    32,768

    32,768

    32,768

    32,768

    ATM bulk configuration VC ranges per chassis

    300

    300

    300

    300

    ATM bulk configuration VC ranges per line module

    300

    300

    300

    300

    ATM bulk configuration total VCs per chassis

    64,000

    160,000

    384,000

    384,000

    ATM bulk configuration total VCs per line module

    OCx/STMx/DS3-ATM

    32,000

    32,000

    32,000

    32,000

    OC3/STM1 GE/FE

    32,000

    32,000

    32,000

    32,000

    ATM bulk configuration overriding profile assignments per chassis

    100

    100

    100

    100

    ATM VCs per chassis (active/configured)

    16,000/32,000

    32,000/64,000

    32,000/64,000

    48,000/96,000

    ATM VCs per line module

    OCx/STMx/DS3-ATM (active/configured)

    8000/16,000

    8000/16,000

    8000/16,000

    8000/16,000

    OC3/STM1 GE/FE (active/configured)

    8000/16,000

    8000/16,000

    8000/16,000

    8000/16,000

    ATM VCs per port

    OCx/STMx/DS3-ATM (active/configured)

    8000/16,000

    8000/16,000

    8000/16,000

    8000/16,000

    OC3/STM1 GE/FE (active/configured)

    8000/16,000

    8000/16,000

    8000/16,000

    8000/16,000

    ATM VC classes per chassis

    100

    100

    100

    100

    ATM VP/VC addresses per line module

    OCx/STMx/DS3-ATM

    20-bit

    20-bit

    20-bit

    20-bit

    OC3/STM1 GE/FE

    20-bit

    20-bit

    20-bit

    20-bit

    ATM VP tunnels per port, all supported modules

    256

    256

    256

    256

    Bridged Ethernet interfaces per chassis

    (See Note 1 on 72.)

    16,000

    32,000

    32,000

    48,000

    Bridged Ethernet interfaces per line module

    OCx/STMx/DS3-ATM

    8192

    8192

    8192

    8192

    OC3/STM-1 GE/FE

    8192

    8192

    8192

    8192

    Dynamic interfaces

    Active autosensed dynamic interface columns per chassis over static or dynamic (bulk) ATM1483 subinterfaces

    16,000

    32,000

    32,000

    48,000

    Ethernet 802.3ad Link Aggregation

    Links per LAG (bundle)

    8

    8

    8

    8

    LAGs (bundles) per chassis

    64

    64

    64

    64

    Ethernet S-VLANs per chassis

    (See Note 2 on 72.)

    32,768

    81,920

    96,000

    96,000

    Ethernet S-VLANs per I/O module

    FE-8 I/O and FE-8 SFP I/O

    16,384

    16,384

    16,384

    16,384

    GE I/O

    16,384

    16,384

    16,384

    16,384

    GE-2 SFP I/O

    16,384

    -

    -

    16,384

    GE-8 I/O

    16,384

    -

    -

    16,384

    OC3-2 GE APS I/O

    16,384

    16,384

    16,384

    16,384

    Ethernet VLANs per chassis

    (See Note 2 on 72.)

    32,768

    81,920

    96,000

    96,000

    Ethernet VLANs per I/O module (no more than 4096 VLANs per port)

    FE-8 I/O and FE-8 SFP I/O

    8192

    8192

    8192

    8192

    GE I/O

    4096

    4096

    4096

    4096

    GE-2 SFP I/O

    8192

    -

    -

    8192

    GE-8 I/O

    16,384

    -

    -

    16,384

    OC3-2 GE APS I/O

    4096

    4096

    4096

    4096

    Ethernet VLAN bulk configuration VLAN ranges per chassis

    300

    300

    300

    300

    Ethernet VLAN bulk configuration VLAN ranges per line module

    300

    300

    300

    300

    Ethernet VLAN overriding profile assignments per chassis

    200

    200

    200

    200

    Ethernet VRRP VRIDs per line module ASIC

    800

    800

    800

    800

    Frame Relay virtual circuits per chassis

    2000

    5000

    12,000

    12,000

    Frame Relay virtual circuits per line module

    COCX-F3

    1000

    1000

    1000

    1000

    cOCx/STMx F0

    1000

    1000

    1000

    1000

    OC48 (ERX1440 router only)

    -

    -

    -

    1000

    Frame Relay virtual circuits per port

    COCX-F3

    1000

    1000

    1000

    1000

    cOCx/STMx F0

    1000

    1000

    1000

    1000

    OC48 (ERX1440 router only)

    -

    -

    -

    1000

    HDLC interfaces per chassis

    4000

    10,000

    24,000

    24,000

    HDLC interfaces per line module

    COCX-F3

    12

    12

    12

    12

    cOCx/STMx F0

    2000

    2000

    2000

    2000

    CT3/T3 F0

    1992

    1992

    1992

    1992

    OCx/STMx/DS-3 ATM

    8000

    8000

    8000

    8000

    OCx/STMx POS

    4

    4

    4

    4

    OC48 (ERX1440 router only)

    -

    -

    -

    1

    MLFR bundles per chassis

    5000

    5000

    5000

    5000

    MLFR bundles per line module

    Bundles per line module are limited only by the availability of interface columns on the module. Because a bundle requires at least one interface column, the number of bundles cannot exceed the number of interface columns.

    MLPPP bundles per chassis

    12,000

    12,000

    12,000

    12,000

    MLPPP bundles per line module

    The maximum number of MLPPP bundles supported per line module is the lesser of the maximum number of MLPPP bundles supported per chassis or of the maximum number of interfaces supported on the line module. For more information, see the JUNOSe Link Layer Configuration Guide.

    PPP interfaces per chassis

    (See Note 1 on 72.)

    16,000

    32,000

    32,000

    48,000

    PPP interfaces per line module

    COCX-F3

    12

    12

    12

    12

    cOCx/STMx FO

    2000

    2000

    2000

    2000

    GE/FE

    8000

    8000

    8000

    8000

    GE-2

    8000

    -

    -

    8000

    GE-HDE

    8000

    -

    -

    8000

    OCx/STMx/DS-3 ATM

    8000

    8000

    8000

    8000

    OC3/STM-1 GE/FE

    8000

    8000

    8000

    8000

    OCx/STMx POS

    4

    4

    4

    4

    OC48 (ERX1440 router only)

    -

    -

    -

    1

    PPP packet logging

    Aggregate dynamic and static PPP interfaces for which you can log PPP packets per chassis

    32

    32

    32

    32

    PPPoE service name tables

    PPPoE service name tables per chassis

    16

    16

    16

    16

    Service name tags per PPPoE service name table (including one empty service name tag)

    17

    17

    17

    17

    PPPoE subinterfaces

    Subinterfaces per chassis

    (See Note 1 on 72.)

    16,000

    32,000

    32,000

    48,000

    Subinterfaces per GE/FE line module

    8000

    8000

    8000

    8000

    Subinterfaces per GE-2 line module

    8000

    -

    -

    8000

    Subinterfaces per GE-HDE line module

    8000

    -

    -

    8000

    Subinterfaces per OCx/STMx/DS-3 ATM line module

    8000

    8000

    8000

    8000

    Subinterfaces per OC3/STM-1 GE/FE line module

    8000

    8000

    8000

    8000

    Transparent bridging and VPLS

    Bridge groups or VPLS instances per chassis

    1024

    1024

    1024

    1024

    Bridge interfaces per line module in bridge groups or VPLS instances

    8000

    8000

    8000

    8000

    Bridge interfaces per chassis in bridge groups or VPLS instances

    16,000

    32,000

    32,000

    32,000

    Learned MAC address entries combined for all bridge groups and VPLS instances on a chassis

    64,000

    64,000

    64,000

    64,000

Routing Protocol Maximums

Table 4 lists routing protocol maximums for the ERX routers. The following notes are referred to in Table 4:

  1. The total set of FTEs can be shared by interfaces, next hops, ECMP sets, VRs, and VRFs. Next-hop FTEs identify the next hop on multiaccess media, such as ATM multipoint, Ethernet, or bridged Ethernet. Each VR or VRF consumes three entries. Each interface, next hop, and ECMP set consumes a single entry. One FTE is reserved for internal use, and the system software limits the number of FTEs used by interfaces to a maximum of 32,000. The remaining FTEs can be shared across the other types.
  2. The ERX1440 router supports a maximum of 48,000 interfaces of all types combined. You can use either all dynamic interfaces or a combination of dynamic and static interfaces to achieve this maximum. The ERX1440 router supports a maximum of 32,000 static PPP/PPPoE interfaces and a maximum of 36,500 static IP network interfaces. Bridged Ethernet does not enforce a limit so IP interfaces created on Bridged Ethernet can scale to the IP maximum of 36,500.

The ERX705, ERX710, and ERX1410 routers support a maximum of 32,000 IP network interfaces; the ERX310 router supports a maximum of 16,000 IP network interfaces. For all these models, the interfaces can be any combination of dynamic or static.

  1. These values are subject to limitations on available SRP module memory, which varies according to your router configuration.
  2. Depending on your configuration, the router may support more routing table entries or fewer routing table entries than this value. In any case, you can choose to limit the number of routes that can be added to the routing table on a per-VR or per-VRF basis by means of the maximum routes command.
  3. The maximum number of ANCP adjacencies can be scaled over a maximum of 100 virtual routers. Fewer ANCP adjacencies can be scaled in configurations with more than 100 virtual routers.
  4. This maximum is not valid for Frame Relay. The Frame Relay maximum is 1000 circuits over MPLS per line module, because only 1000 Frame Relay DLCIs are permitted per line module.
  5. On the ERX1440 router, you can achieve 32,767 total Martini circuits over ATM or Ethernet interfaces. For all routers, the total Martini can be any combination of external inter-router circuits and internal circuits (local cross-connects).
  6. There is no per-VR limit; all multicast routes can be on a single VR or present across multiple VRs.
  7. The maximum number of interfaces can be achieved by any combination; for example, two streams each being replicated to 32,768 interfaces; 16,384 streams each being replicated four times; or any other combination.
  8. Dynamic values represent typical limits that vary depending on configuration details and actual dynamic behavior. For dynamic values only, multiple server modules (SMs) in a chassis can improve the values as long as the multiple server modules are online and the number of virtual routers configured with NAT is greater than or equal to the number of server modules. If a server module fails, the load is redistributed to the remaining server modules, with a consequent reduction in aggregate capacity.
  9. Static and dynamic translations occupy the same table; therefore, the number of static translation entries present in the table reduces the room for dynamic entries.
  10. 
    
    
    
    Table 4: Routing Protocol Maximums 
    Feature
    ERX310
    ERX705 and ERX710
    ERX1410
    ERX1440
    BFD

    Sessions per line module

    50

    50

    50

    50

    ECMP maximum paths to a destination

    BGP, IS-IS, MPLS, OSPF, RIP

    16

    16

    16

    16

    IPv4 forwarding table entries

    (See Note 1 on 77.)

    Chassis with only ASIC modules

    1,048,576

    1,048,576

    1,048,576

    1,048,576

    IP network interfaces (IPv4 and IPv6)

    Per chassis

    (See Note 2 on 77.)

    16,000

    32,000

    32,000

    48,000

    Per line module ASIC

    8000

    8000

    8000

    8000

    IPv4 routing protocol scaling and peering densities

    (See Note 3 on 77.)

    Routing table entries

    (See Note 4 on 77.)

    500,000

    500,000

    500,000

    500,000

    ANCP Adjacency Scaling

    (See Note 5 on 77.)

    5000

    5000

    5000

    5000

    BGP-4 peering sessions

    1000

    1000

    1000

    1000

    BGP-4 routes (NLRI)

    1,500,000

    1,500,000

    1,500,000

    1,500,000

    IP next hops (egress FECs) on router with ASIC modules (used to represent the IP addresses of next-hop routers on Ethernet interfaces)

    1,000,000

    1,000,000

    1,000,000

    1,000,000

    MPLS next hops (egress FECs) on router with ASIC modules only

    500,000

    500,000

    500,000

    500,000

    MPLS forwarding entries

    64,000

    64,000

    64,000

    64,000

    IS-IS adjacencies

    150

    150

    150

    150

    IS-IS routes

    20,000

    20,000

    20,000

    20,000

    MPLS LDP LSPs

    10,000

    10,000

    10,000

    10,000

    MPLS RSVP-TE LSPs

    10,000

    10,000

    10,000

    10,000

    OSPF adjacencies

    1000

    1000

    1000

    1000

    OSPF routes

    25,000

    25,000

    25,000

    25,000

    IPv6 routing table entries

    (See Note 3 on 77.)

    50,000

    50,000

    50,000

    50,000

    J-Flow statistics

    J-Flow-enabled VRs and VRFs, in any combination

    16

    16

    16

    16

    Sampled interfaces per VR or VRF

    32

    32

    32

    32

    Total sampled Interfaces per chassis

    512

    512

    512

    512

    Martini circuits for layer 2 services over MPLS

    Total Martini circuits per line module

    (See Note 6 on 77.)

    8000

    8000

    8000

    8000

    Total Martini circuits per chassis

    (See Note 7 on 77.)

    16,000

    16,000

    16,000

    32,767

    External Martini circuits per chassis

    16,000

    16,000

    16,000

    32,767

    Internal Martini circuits (local cross-connects) per chassis

    16,000

    16,000

    16,000

    32,767

    Mobile IP bindings per chassis

    -

    -

    -

    48,000

    Multicast routes (IPv4 and IPv6)

    Forwarding entries [(S,G) pairs] per chassis

    (See Note 8 on 77.)

    16,384

    16,384

    16,384

    16,384

    Outgoing interfaces per chassis

    (See Note 9 on 77.)

    65,536

    65,536

    65,536

    65,536

    Network Address Translation (NAT)

    Static translations (simple or extended) per chassis

    96,000

    96,000

    96,000

    96,000

    Dynamic simple translations (NAT) per SM

    (See Notes 10 and 11 on 78.)

    400,000

    400,000

    400,000

    400,000

    Dynamic extended translations (NAPT) per SM

    (See Notes 10 and 11 on 78.)

    200,000

    200,000

    200,000

    200,000

    Response Time Reporter simultaneous operations per VR

    500

    500

    500

    500

    VRRP VRIDs per line module ASIC

    See Ethernet VRRP VRIDs per line module ASIC.

Policy and QoS Maximums

Table 5 lists policy and QoS maximums for the ERX routers. The following notes are referred to in Table 5:

  1. The OC48 line module supports only 131,071 entries. The GE-2 and GE-HDE line modules support only 65,535 entries.
  2. For line modules other than the GE-2, GE-HDE, and OC48/STM16 line modules, the router supports two sizes of policies: 8127 policies, each with a maximum of 32 classifiers, and 16,255 policies, each with a maximum of 16 classifiers. A combination of the two sizes of policies is also supported, in which case the total number of policies is between 8127 and 16,255, depending on the actual configuration.
  3. The GE-2, GE-HDE, and OC48/STM16 line modules support CAM classifiers instead of hardware policy assignments. For most configurations, each classifier entry in a policy consumes one CAM entry. However, a policy that has only the default classifier consumes no CAM resources. Policies that use CAM hardware classifiers consume one interface attachment resource, regardless of the number of classifier entries in a policy.
  4. 
    
    
    
    Table 5: Policy and QoS Maximums 
    Feature
    ERX310
    ERX705 and ERX710
    ERX1410
    ERX1440
    QoS queues per ASIC line module

    49,000

    49,000

    49,000

    49,000

    QoS profiles configurable per chassis

    1000

    1000

    1000

    1000

    QoS profile attachments per chassis

    96,000

    96,000

    96,000

    96,000

    QoS profile attachments per ASIC line module

    16,000

    16,000

    16,000

    16,000

    QoS shapers per line module

    64,000

    64,000

    64,000

    64,000

    Classification rules per policy

    512

    512

    512

    512

    Policy classification (CLACL) entries per line module

    (See Note 1 on 81.)

    256,000

    256,000

    256,000

    256,000

    Unique hardware policy assignments per line module for modules other than the GE-2, GE-HDE, and OC48/STM16

    (See Note 2 on 81.)

    8127/16,255

    8127/16,255

    8127/16,255

    8127/16,255

    CAM entries

    (See Note 3 on 81.)

    GE-2

    64,000

    -

    -

    64,000

    GE-HDE

    64,000

    -

    -

    64,000

    OC48/STM16

    -

    -

    -

    128,000

    Policy egress interface attachments per ASIC line module

    Combined IP and IPv6 interface attachments

    8191

    8191

    8191

    8191

    Combined ATM, Frame Relay, GRE, L2TP (LNS only), MPLS, and VLAN interface attachments

    8191

    8191

    8191

    8191

    Policy ingress interface attachments per ASIC line module

    Combined IP and IPv6 interface attachments on GE-2, GE-HDE, and OC-48/STM16 line modules

    16,383

    -

    -

    16,383

    Combined IP and IPv6 interface attachments on all other line modules

    16,000

    16,000

    16,000

    16,000

    Combined ATM, Frame Relay, GRE, L2TP (LNS only), MPLS, and VLAN interface attachments

    8191

    8191

    8191

    8191

    Rate limiters

    Egress per ASIC line module

    24,575

    24,575

    24,575

    24,575

    Ingress per ASIC line module

    24,575

    24,575

    24,575

    24,575

    Policy statistics blocks

    Egress per ASIC line module

    256,000

    256,000

    256,000

    256,000

    Ingress per ASIC line module

    256,000

    256,000

    256,000

    256,000

    Parent groups per ASIC line module

    GE-2, GE-HDE, and OC3/OC12 ATM line modules (Egress and Ingress)

    24,575

    24,575

    24,575

    24,575

    All other ASIC line modules (Egress and Ingress)

    8191

    8191

    8191

    8191

    Software lookup blocks

    Per ASIC line module

    16,383

    16,383

    16,383

    16,383

    Secure policies (for packet mirroring)

    Per ASIC line module

    1022

    1022

    1022

    1022

    Per chassis

    2400

    2400

    2400

    2400

Tunneling Maximums

Table 6 lists tunneling maximums for the ERX routers. The following notes are referred to in Table 6:

  1. The SM supports any combination of DVMRP, GRE, and L2TP tunnels up to a maximum of 8000 tunnels; however, no more than 4000 tunnels can be DVMRP or GRE tunnels in any combination. The ISM supports any combination of DVMRP, GRE, and L2TP tunnels over IPSec, up to a maximum of 5000 tunnels; however, no more than 4000 tunnels can be DVMRP or GRE tunnels.
  2. You can have no more than 8000 L2TP/IPSec sessions per chassis.
  3. For more information about supported L2TP sessions and tunnels, see JUNOSe Broadband Access Configuration Guide, Chapter 11, L2TP Overview.
  4. 
    
    
    
    Table 6: Tunneling Maximums 
    Feature
    ERX310
    ERX705 and ERX710
    ERX1410
    ERX1440
    DVMRP (IP-in-IP) tunnels per chassis

    4000

    4000

    4000

    4000

    DVMRP (IP-in-IP) tunnels per line module

    (See Note 1 on 84.)

    GE-2 with shared tunnel-server ports provisioned

    4000

    -

    -

    4000

    GE-HDE with shared tunnel-server ports provisioned

    4000

    -

    -

    4000

    IPSec Service Module (DVMRP/IPSec tunnels)

    4000

    4000

    4000

    4000

    Service Module (SM)

    4000

    4000

    4000

    4000

    GRE tunnels per chassis

    4000

    4000

    4000

    4000

    GRE tunnels per line module

    (See Note 1 on 84.)

    GE-2 with shared tunnel-server ports provisioned

    4000

    -

    -

    4000

    GE-HDE with shared tunnel-server ports provisioned

    4000

    -

    -

    4000

    IPSec Service Module (GRE/IPSec tunnels)

    4000

    4000

    4000

    4000

    Service Module (SM)

    4000

    4000

    4000

    4000

    IPSec manual secure tunnels per chassis

    256

    256

    256

    256

    IPSec transform sets per chassis

    1000

    1000

    1000

    1000

    IPSec transforms per transform set

    6

    6

    6

    6

    IPSec tunnels per chassis

    10,000

    10,000

    10,000

    20,000

    IPSec tunnels per IPSec Service Module

    5000

    5000

    5000

    5000

    L2TP sessions per chassis

    (See Notes 2 and 3 on 84.)

    16,000

    16,000

    16,000

    32,000

    L2TP sessions per line module

    (See Notes 1 and 3 on 84.)

    GE-2 with shared tunnel-server ports provisioned

    8000

    -

    -

    8000

    GE-HDE with shared tunnel-server ports provisioned

    8000

    -

    -

    8000

    IPSec Service Module (ISM; L2TP/IPSec sessions)

    5000

    5000

    5000

    5000

    Service Module (SM)

    16,000

    16,000

    16,000

    16,000

    L2TP tunnels per chassis

    8000

    8000

    8000

    8000

    L2TP tunnels per line module

    (See Notes 1 and 3 on 84.)

    GE-2 with shared tunnel-server ports provisioned

    8000

    -

    -

    8000

    GE-HDE with shared tunnel-server ports provisioned

    8000

    -

    -

    8000

    IPSec Service Module (L2TP/IPSec tunnels)

    5000

    5000

    5000

    5000

    Service Module

    8000

    8000

    8000

    8000

Subscriber Management Maximums

Table 7 lists subscriber management maximums for the ERX routers. The following notes are referred to in Table 7:

  1. DHCP relay proxy maintains a list of active DHCP clients up to a maximum of 100,000 clients per chassis for all virtual routers. DHCP relay does not maintain a list of DHCP clients.

DHCP relay proxy is notified of DHCP client deletions and subsequently deletes the client's host routes. In contrast, DHCP relay is not notified of DHCP client deletions, so the host routes for deleted clients remain in DHCP relay until you permanently delete them with the set dhcp relay discard-access-routes command. A maximum of 100,000 host routes for DHCP clients can be stored for all DHCP relay and DHCP relay proxy instances (that is, for all virtual routers).

  1. The ERX1440 router supports a maximum of 48,000 interface columns of all types combined. You can use either all dynamic interfaces or a combination of dynamic and static interfaces to achieve this maximum. For bridged Ethernet, IP network, and PPP interfaces, the ERX1440 router supports a maximum of 32,000 static major interfaces. Although the ERX1440 router supports a maximum of 48,000 static major interfaces for PPPoE, the PPPoE static limit is enforced at the subinterface level, which has a limit of 32,000.

The ERX705, ERX710, and ERX1410 routers support a maximum of 32,000 interfaces of all types combined; the ERX310 router supports a maximum of 16,000 interfaces of all types combined. For these routers, the interfaces can be any combination of dynamic or static.

The JUNOSe Software supports up to 10,000 PPP interfaces with EAP authentication negotiation configured. Performance and scalability is unchanged when EAP is not configured.

  1. For DHCPv6 local server, up to 32,000 subscribers and clients are supported on PPP/ATM and PPPoE/ATM with dynamic interfaces. Interface flapping tests have been qualified for 8000 subscribers and interfaces.
  2. 
    
    
    
    Table 7: Subscriber Management Maximums 
    Feature
    ERX310
    ERX705 and ERX710
    ERX1410
    ERX1440
    DHCP external server clients (per chassis for all virtual routers; and per virtual router)

    (See Note 1 on 86.)

    100,000

    100,000

    100,000

    100,000

    DHCP local server

    (See Note 2 on 86.)

    Client bindings per chassis

    96,000

    96,000

    96,000

    96,000

    Client interfaces per chassis

    16,000

    32,000

    32,000

    48,000

    Local address pools per virtual router

    4000

    4000

    4000

    4000

    IP addresses per local address pool

    32,000

    32,000

    32,000

    32,000

    DHCPv6 local server

    Clients

    (See Note 3 on 86.)

    32,000

    32,000

    32,000

    32,000

    DHCP relay and relay proxy client

    (See Notes 1 and 2 on 86.)

    DHCP client host routes for DHCP relay and DHCP relay proxy combined (per chassis for all virtual routers; and per virtual router)

    100,000

    100,000

    100,000

    100,000

    DHCP relay proxy clients (per chassis for all virtual routers; and per virtual router)

    100,000

    100,000

    100,000

    100,000

    Interfaces (per chassis for all virtual routers; and per virtual router)

    16,000

    32,000

    32,000

    48,000

    Local authentication server

    Local user databases per chassis

    100

    100

    100

    100

    Users per local user database

    100

    100

    100

    100

    Users for all local user databases

    100

    100

    100

    100

    RADIUS requests

    Concurrent RADIUS authentication requests

    4000

    4000

    4000

    32,000

    Concurrent RADIUS accounting requests

    4000

    4000

    4000

    96,000

    RADIUS route-download server downloaded routes per chassis

    32,000

    32,000

    32,000

    32,000

    Service Manager

    Service definitions

    2048

    2048

    2048

    2048

    Service sessions (active)

    131,072

    131,072

    131,072

    131,072

    Active subscriber sessions

    16,000

    32,000

    32,000

    48,000

    SRC Software and SDX Software

    COPS client instances

    200

    200

    200

    200

    SRC clients

    200

    200

    200

    200

    SRC interfaces

    16,000

    32,000

    32,000

    48,000

    Subscriber interfaces

    (See Note 2 on 86.)

    Dynamic subscriber interfaces per chassis

    16,000

    32,000

    32,000

    48,000

    Dynamic subscriber interfaces per line module

    8000

    8000

    8000

    8000

    Static subscriber interfaces per chassis

    16,000

    32,000

    32,000

    48,000

    Static subscriber interfaces per line module

    8000

    8000

    8000

    8000


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