- play_arrow Subscriber Service Activation and Management
- play_arrow Subscriber Service Activation and Management
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- play_arrow Configuring Dynamic Filters and Policers
- play_arrow Dynamic Firewall Filters Overview
- play_arrow Configuring Static Firewall Filters That Are Dynamically Applied
- play_arrow Streamlining Processing of Chains of Static Filters
- play_arrow Dynamically Attaching Static or Fast Update Filters to an Interface
- play_arrow Configuring Filters That Are Created Dynamically
- Parameterized Filters Overview
- Unique Identifiers for Firewall Variables
- Configuring Unique Identifiers for Parameterized Filters
- Sample Dynamic-Profile Configuration for Parameterized Filters
- Dynamic Profile After UID Substitutions for Parameterized Filters
- Multiple Parameterized Filters
- Parameterized Filter Processing Overview
- Parameterized Filters Configuration Considerations
- Guidelines for Creating and Applying Parameterized Filters for Subscriber Interfaces
- Parameterized Filter Match Conditions for IPv4 Traffic
- Parameterized Filter Match Conditions for IPv6 Traffic
- Parameterized Filter Nonterminating and Terminating Actions and Modifiers
- Firewall Filter Match Conditions for Protocol-Independent Traffic in Dynamic Service Profiles
- Firewall Filter Terminating and Nonterminating Actions for Protocol-Independent Traffic in Dynamic Service Profiles
- Interface-Shared Filters Overview
- Dynamically Attaching Filters Using RADIUS Variables
- Example: Implementing a Filter for Households That Use ACI-Based VLANs
- Example: Dynamic-Profile Parsing
- Example: Firewall Dynamic Profile
- Example: Configuring a Filter to Exclude DHCPv6 and ICMPv6 Control Traffic for LAC Subscriber
- play_arrow Using Ascend Data Filters to Implement Firewalls Based on RADIUS Attributes
- Ascend-Data-Filter Policies for Subscriber Management Overview
- Ascend-Data-Filter Attribute Fields
- Dynamically Applying Ascend-Data-Filter Policies to Subscriber Sessions
- Example: Configuring Dynamic Ascend-Data-Filter Support for Subscriber Access
- Example: Configuring Static Ascend-Data-Filter Support for Subscriber Access
- Verifying and Managing Dynamic Ascend-Data-Filter Policy Configuration
- play_arrow Configuring Fast Update Filters to Provide More Efficient Processing Over Classic Static Filters
- Fast Update Filters Overview
- Basic Fast Update Filter Syntax
- Configuring Fast Update Filters
- Example: Configuring Fast Update Filters for Subscriber Access
- Match Conditions and Actions in Fast Update Filters
- Configuring the Match Order for Fast Update Filters
- Fast Update Filter Match Conditions
- Fast Update Filter Actions and Action Modifiers
- Configuring Terms for Fast Update Filters
- Configuring Filters to Permit Expected Traffic
- Avoiding Conflicts When Terms Match
- Associating Fast Update Filters with Interfaces in a Dynamic Profile
- play_arrow Defending Against DoS and DDoS Attacks Using Unicast RPF and Fail Filters
- play_arrow Improving Scaling and Performance of Filters on Static Subscriber Interfaces
- play_arrow Configuring Dynamic Service Sets
- play_arrow Configuring Rate-Limiting Premium and Non-Premium Traffic on an Interface Using Hierarchical Policers
- play_arrow Monitoring and Managing Firewalls for Subscriber Access
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- play_arrow Configuring Dynamic Multicast
- play_arrow Configuring Dynamic IGMP to Support IP Multicasting for Subscribers
- play_arrow Configuring Dynamic MLD to Enable Subscribers to Access Multicast Networks
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- play_arrow Configuring Application-Aware Policy Control and Reporting
- play_arrow Configuring Application-Aware Policy Control
- Understanding Application-Aware Policy Control for Subscriber Management
- Understanding PCC Rules for Subscriber Management
- Configuring Application-Aware Policy Control for Subscriber Management
- Installing Services Packages for Subscriber Management Application-Aware Policy Management
- Configuring Service Data Flow Filters
- Configuring Policy and Charging Control Action Profiles for Subscriber Management
- Configuring Policy and Charging Control Rules
- Configuring a Policy and Charging Control Rulebase
- Configuring a Policy and Charging Enforcement Function Profile for Subscriber Management
- Identifying the Service Interface That Handles Subscriber Management Application-Aware Policy Control
- Configuring PCC Rule Activation in a Subscriber Management Dynamic Profile
- Enabling Direct PCC Rule Activation by a PCRF for Subscriber Management
- play_arrow Configuring Application Identification
- play_arrow Configuring Reporting for Application-Aware Data Sessions
- Logging and Reporting Function for Subscribers
- Log Dictionary for Template Types
- Configuring Logging and Reporting for Subscriber Management
- Installing Services Packages for Subscriber Management Logging and Reporting
- Configuring an LRF Profile for Subscribers
- Applying Logging and Reporting Configuration to a Subscriber Management Service Set
- Configuring the Activation of an LRF Rule by a PCC Rule
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- play_arrow Configuring HTTP Redirect Services
- play_arrow Configuring Captive Portal Content Delivery Services for Redirected Subscribers
- HTTP Redirect Service Overview
- Remote HTTP Redirect Server Operation Flow
- Local HTTP Redirect Server Operation Flow (MX Series, ACX7100-48L, ACX7332 and ACX7348)
- Configuring MS-MPC-Based or MX-SPC3-Based Static HTTP Redirect Services
- Configuring MS-MPC-Based or MX-SPC3-Based Converged HTTP Redirect Services
- Configuring Routing Engine-Based, Static HTTP Redirect Services
- Configuring Routing Engine-Based, Converged HTTP Redirect Services
- Adding Subscriber Information to HTTP Redirect URLs
- How to Automatically Remove the HTTP Redirect Service After the Initial Redirect
- Example: Configuring HTTP Redirect Services Using a Next-Hop Method and Attaching It to a Static Interface
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- play_arrow Configuring Subscriber Secure Policy
- play_arrow Configuring Subscriber Secure Policy Traffic Mirroring Overview
- play_arrow Configuring RADIUS-Initiated Subscriber Secure Policy Traffic Mirroring
- RADIUS-Initiated Subscriber Secure Policy Overview
- Subscriber Secure Policy Traffic Mirroring Architecture Using RADIUS
- RADIUS-Initiated Traffic Mirroring Interfaces
- RADIUS-Initiated Traffic Mirroring Process at Subscriber Login
- RADIUS-Initiated Traffic Mirroring Process for Logged-In Subscribers
- RADIUS Attributes Used for Subscriber Secure Policy
- Using the Packet Header to Track Subscribers on the Mediation Device
- Configuring RADIUS-Initiated Subscriber Secure Policy Mirroring Overview
- Guidelines for Configuring Subscriber Secure Policy Mirroring
- Configuring Support for Subscriber Secure Policy Mirroring
- Configuring RADIUS Server Support for Subscriber Secure Policy Mirroring
- Terminating RADIUS-Initiated Subscriber Traffic Mirroring
- play_arrow Configuring DTCP-Initiated Subscriber Secure Policy Traffic Mirroring
- DTCP-Initiated Subscriber Secure Policy Overview
- Subscriber Secure Policy Traffic Mirroring Architecture Using DTCP
- DTCP-Initiated Traffic Mirroring Interfaces
- DTCP-Initiated Traffic Mirroring Process
- DTCP Messages Used for Subscriber Secure Policy
- Packet Header for Mirrored Traffic Sent to Mediation Device
- Configuring DTCP-Initiated Subscriber Secure Policy Mirroring Overview
- Guidelines for Configuring Subscriber Secure Policy Mirroring
- Configuring Support for Subscriber Secure Policy Mirroring
- Configuring the Mediation Device as a User on the Router
- Configuring a DTCP-over-SSH Connection to the Mediation Device
- Configuring the Mediation Device to Provision Traffic Mirroring
- Disabling RADIUS-Initiated Subscriber Secure Policy Mirroring
- Example: Configuring Traffic That Is Mirrored Using DTCP-Initiated Subscriber Secure Policy
- Terminating DTCP-Initiated Subscriber Traffic Mirroring Sessions
- play_arrow Configuring DTCP Messages Used for DTCP-Initiated Subscriber Secure Policy Mirroring
- play_arrow Configuring Subscriber Secure Policy Support for IPv4 Multicast Traffic
- play_arrow Configuring Intercept-Related Information for Subscriber Secure Policy
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- play_arrow Configuring Stateless, Rule-Based Services Using Application-Aware Access Lists
- play_arrow AACL Overview
- play_arrow Configuring AACL Rules
- play_arrow Example: Configuring AACL Rules
- play_arrow Example: Configuring AACL Rule Sets
- play_arrow Configuring Logging of AACL Flows
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- play_arrow Remote Device and Service Management
- play_arrow Configuring Remote Device Services Management
- play_arrow Configuring TCP Port Forwarding for Remote Subscriber Services
- play_arrow Configuring IPFIX Mediation for Remote Device Monitoring
- play_arrow Collection and Export of Local Telemetry Data on the IPFIX Mediator
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- play_arrow Troubleshooting
- play_arrow Contacting Juniper Networks Technical Support
- play_arrow Knowledge Base
-
- play_arrow Configuration Statements and Operational Commands
- [OBSOLETE] applications (Services AACL)
- [OBSOLETE] application-group-any
- [OBSOLETE] application-groups (Services AACL)
- [OBSOLETE] destination-address (Application Aware Access List)
- [OBSOLETE] destination-address-range
- [OBSOLETE] destination-prefix-list (Services AACL)
- [OBSOLETE] from
- [OBSOLETE] match-direction
- [OBSOLETE] nested-applications
- [OBSOLETE] rule
- [OBSOLETE] rule-set
- [OBSOLETE] source-address (AACL)
- [OBSOLETE] source-address-range
- [OBSOLETE] source-prefix-list
- [OBSOLETE] term
- [OBSOLETE] then (Application Aware Access List)
- Junos CLI Reference Overview
Bandwidth Management for Downstream Traffic in Edge Networks Overview
In a subscriber access network, traffic with different encapsulations can be passed downstream to other customer premise equipment (CPE) through the MX Series router. Managing the bandwidth of downstream ATM traffic to Ethernet interfaces can be especially difficult because of the different Layer 2 encapsulations.
The downstream network is not necessarily the directly attached network. In typical broadband network gateway (BNG) configurations, the directly attached network is an Ethernet access network, which provides access to either another frame-based network, or a cell-based network.
The overhead accounting feature enables you to shape traffic based on whether the downstream network is a frame-based network, like Ethernet, or a cell-based network, like ATM. It assigns a byte adjustment value to account for different encapsulations.
This feature is available on MIC and MPC interfaces.
Effective Shaping Rate
The shaping-rate, also known as peak information rate (PIR), is the maximum rate for a scheduler node or queue.
The true rate of a subscriber at the access-loop/CPE is a function of:
The shaping-rate in effect for the subscriber’s household, in bits per second.
Whether the subscriber is connected to a frame-based or cell-based network.
Number of bytes in each frame that are accounted for by the shaper.
Chassis egress-shaping-overhead is not included in the effective
rate. Egress-shaping-overhead accounts for the physical
interface overhead (ISO OSI Layer 1). Effective shaping-rate is a
Layer 2 (ISO OSI) rate.
Shaping Modes
There are two modes used for adjusting downstream traffic:
Frame shaping mode is useful for adjusting downstream traffic with different encapsulations. Shaping is based on the number of bytes in the frame, without regard to cell encapsulation or padding overhead. Frame is the default shaping mode on the router.
Cell shaping mode is useful for adjusting downstream cell-based traffic. In cell shaping mode, shaping is based on the number of bytes in cells, and accounts for the cell encapsulation and padding overhead.
When you specify cell mode, the resulting traffic stream conforms to the policing rates configured in downstream ATM switches, reducing the number of packet drops in the Ethernet network.
To account for ATM segmentation, the router adjusts all of the rates by 48/53 to account for 5-byte ATM AAL5 encapsulation. In addition, the router accounts for cell padding, and internally adjusts each frame by 8 bytes to account for the ATM trailer.
Byte Adjustments
When the downstream traffic has different byte sizes per encapsulation, it is useful to configure a byte adjustment value to adjust the number of bytes per packet to be included in or excluded from the shaping mechanism. This value represents the number of bytes that are encapsulated and decapsulated by the downstream equipment. For example, to properly account for a 4-byte header stripped by the downstream network, set the overhead-accounting bytes to -4. To properly account for a 12-byte header added by the downstream network, set the overhead-accounting bytes to 12.
We recommend that you specify a byte adjustment value that represents the difference between the CPE protocol overhead and B-RAS protocol overhead.
The system rounds up the byte adjustment value to the nearest multiple of 4. For example, a value of 6 is rounded to 8, and a value of –10 is rounded to –8.
You do not need to configure a byte adjustment value to account for the downstream ATM network. However, you can specify the byte value to account for additional encapsulations or decapsulations in the downstream network.
Relationship with Other CoS Features
Enabling the overhead accounting feature affects the resulting shaping rates, guaranteed rate, and excess rate parameters, if they are configured.
The overhead accounting feature also affects the egress shaping overhead feature that you can configure at the chassis level. We recommend that you use the egress shaping-overhead feature to account for the Layer 2 overhead of the outgoing interface, and use the overhead-accounting feature to account for downstream traffic with different encapsulations and cell-based networks.
When both features are configured, the total byte adjustment value is equal to the adjusted value of the overhead-accounting feature plus the value of the egress-shaping-overhead feature. For example, if the configured byte adjustment value is 40, and the router internally adjusts the size of each frame by 8, the adjusted overhead accounting value is 48. That value is added to the egress shaping overhead of 24 for a total byte adjustment value of 72.
