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Cisco 10000 Series Router Service Selection Gateway Configuration Guide
OL-4387-02
Appendix B SSG Implementation Notes
Local Forwarding Cannot be enabled or disabled through the CLI.
Only seven services (network sets) can be bound to an uplink interface. If a
service cannot be created on the toaster, then no connection is created.
A service cannot be bound by interface to a broadcast interface. If such a service
is configured, the toaster does not see this network in the VRF and might drop
traffic to the service. Binding to a next-hop on a broadcast interface is allowed.
If two users are connected to services on the same uplink interface, traffic
between the users is allowed and all host features are applied (which are the “in”
features of the first user and the “out” features of the second user).
If an ACL contains more than eight ACEs, the toaster does not apply the ACL;
however, the segment continues to exist.
MPLS Disabled on SSG interfaces.
Open Garden Service bindings not required for services directly connected to the router.
Service bindings are required for any services routed through a next-hop address.
RADIUS accounting records not created for Open Garden services.
Open Garden services must be created through local profiles, RADIUS profiles
are not supported.
Overlapping of Open Garden networks is not supported.
Per Service
Statistics
Connection-level statistics are not collected for the default network or for Open
Garden networks.
You cannot display aggregate statistics for a user.
For PPP-based users, any link-level control traffic (such as keepalives) are
counted separately from the data traffic to support idle timeouts.
Port-Bundle
Host Key
The router supports this feature for Cisco SESM Release 3.1(1) or later. The
feature is disabled by default.
A default network must be configured and routable from SSG.
To enable this feature, you must reload SSG and restart SESM.
You must separately enable this feature at SESM and at all connected SSG nodes.
For each SESM server, all connected SSG nodes must have the same port-bundle
length. When you change the port-bundle length, the change does not take effect
until after the router reloads.
All SSG source IP addresses configured using the ssg port-map source ip
command must be routable in the management network where SESM resides.
See the “Restrictions for SSG Port-Bundle Host Key” section on page 6-7 for
additional implementation notes.
PPPoA
Connections
The router supports only one host per interface.
The customer premises equipment (CPE) must be configured for PAT.
Prepaid Services Only time-based quotas are supported. Quotas are always measured in seconds.
Quotas based on data volume are not supported. If configured, traffic might exceed
the quota.
Table B-1 SSG Implementation Notes for the Cisco 10000 Router (continued)
SSG Feature Implementation Notes