Potential ISP Bottlenecks and Subscription Ratios

The provider's network is only as strong as its weakest link. There are two potential ISP bottlenecks: oversubscription of backbone trunks and small tail circuits leading to a POP or downstream customer. A provider should not recklessly oversubscribe its connections. ISPs that attempt to save money ...

Resource Reservation Protocol

RSVP is a soft-state signaling system that enables receivers to reserve resources for incoming traffic flows. Flows are identified by destination address and the transport-layer protocol, and are, therefore, unidirectional. The destination address can be a multicast group address; therefore, from an...

Configuring QoS on Cisco APs

QoS is disabled by default; however, the radio interface always honors tagged 802.1P packets even when you haven't configured a QoS policy. QoS can be configured through either the Cisco IOS (MQC) CLI or the web-interface configuration utility provided by the AP software. The Cisco IOS MQC CLI pr...

Congestion Indication Support in FRF.8.1

For FRF.8.1, Cisco supports the bidirectional mapping of FECN and EFCI bits outlined in Table 8-5. Table 8-5. Table 8-5. EFCI and FECN Mapping for FRF.8.1 Enabling Nonperiodic Updates

The ip rip triggered interface configuration command tells the router to only send those parts of the RIP database that have changed, instead of sending the entire database on each RIP update cycle: Router1#configure terminal Enter configuration commands, one per line.  End with CNTL/Z. Rou...

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