Cisco Cisco IOS Software Release 12.4(2)T Dépliant
© 2008 Cisco Systems, Inc. All rights reserved.
25
Per IPSec Tunnel Quality of Service (QoS)
Quality of Service (QoS)
shapes and applies bandwidth guarantees
to mission critical application traffic in VPN networks
QoS classification happens before encryption
Shaping/queuing happens at the physical interface
QoS policy is possible in both tunnel and physical interface
Shaping/queuing happens at the physical interface
QoS policy is possible in both tunnel and physical interface
Enhancement simplifies QoS enablement in VPN networks
Dynamic QoS on hub device ensures optimal spoke to hub traffic flow
More efficient use of internal resources such as Crypto Engines in VPN
More efficient use of internal resources such as Crypto Engines in VPN
gateways
Hierarchical queuing per tunnel
QoS policy classification
QoS policy policing, marking
S
A cla
s
sifi
cation
Crypto
Engine
Tunnel 1 - data
Tunnel 1 - voice
Deri
ved
Interfac
e QoS policy
Tunnel 1
policy
Data
Voice
Tunnel 2
policy
Data
Voice
Tunnel 2
policy
Data
Voice
Tunnel 2 - data
Tunnel 2 - voice
Tunnel 3 - data
Tunnel 3 - voice
Physical
Interface
Cisco IOS
Security
9
Quality of
Service