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Catalyst 6000 Family Content Switching Module Installation and Configuration Note
78-11631-02 Rev. A0
Configuring the Content Switching Module
Figure 8 Configuring VLANs
See Figure 8 for the following notes:
Note *Any router configured as a client-side gateway or a next hop router for servers more than one hop
away must have ICMP redirects disabled. The CSM does not perform a Layer 3 lookup to forward
traffic; the CSM cannot act upon ICMP redirects.
Note ** HSRP provides automatic router backup using an active standby router that allows active and
standby routers in an HSRP group to exchange messages and respond to topology changes by
selecting a new active router dynamically. Because traffic can come from both the virtual and
physical MAC addresses of the gateway, the CSM uses two entries per virtual IP gateway configured.
You can configure only seven client gateways on the CSM. An HSRP group is assigned one client
gateway for the virtual IP address when it is configured. (See the “Configuring HSRP” section on
page 43.)
Server-side VLAN
Client-side VLAN IP address
Gateway
NAS
PDA
handset
Content
provider
HSRP
Catalyst 6500
*
**
Content
Services
Gateway
55703