Queue sharing and redirection is supported on the 7950 XRS, 7750 SR, and 7450 ESS platforms as follows:
access SAP port and network port queue groups
ingress access and network forwarding plane queue groups except on the 7750 SR-a4/a8
Queue sharing and redirection are also supported in conjunction with the use of a C-XMA, XMA, Ethernet MDA, Ethernet CMA, and IOM-4-HS.