Cisco Wide Area Application Engine 612 Bedienungsanleitung PDF herunterladen (Seite 30)

104 Chapter 4: Network Integration and Interception

PBR functions in a similar manner to WCCPv2, in that a router/switch running Cisco IOS

is conﬁgured to intercept interesting trafﬁc and redirect it to a WAE. Unlike WCCPv2, no

conﬁguration is required on the WAE to support interception using PBR. The following

conﬁguration steps are required for a basic PBR conﬁguration:

Step 1 Create an access list to deﬁne interesting trafﬁc for redirection.

Step 2 Create a route map that matches the ACL created in Step 1 and sets an IP

next-hop address of the target WAE.

Step 3 Apply the route map to interfaces through which client and server trafﬁc

traverses.

Example 4-20 demonstrates a basic PBR conﬁguration used for redirecting all TCP trafﬁc

to a single WAE.

Example 4-20 PBR Conﬁguration

ip cef

access-list 199 permit tcp any any

route-map WAAS-INTERCEPT 10

match ip address 199

set ip next-hop 10.10.20.5

interface Serial0/0

bandwidth 1536

no ip address

encapsulation frame-relay

interface Serial0/0.100

ip add 10.88.80.18 255.255.255.252

ip policy route-map WAAS-INTERCEPT

frame-relay interface-dlci 100

interface GigabitEthernet0/0

no ip address

duplex auto

speed auto

interface GigabitEthernet0/0.1

description ** Branch Client VLAN **

encapsulation dot1q 10

ip address 10.10.10.1 255.255.255.0

ip policy route-map WAAS-INTERCEPT

interface GigabitEthernet0/0.20

description ** Branch WAE VLAN **

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Cisco Wide Area Application Engine 612 Bedienungsanleitung Seite 30