Installation guide

7
Release Notes for Cisco IOS Release 12.0(10)W5(18c) Feature Packs for the Cisco Catalyst 8500 CSR
78-10598-02
System Requirements
Table 6 Layer 2 Bridging Feature Set Supported by the Catalyst 8500 CSR
Layer 2 Bridging Features
Layer 2 transparent bridging
Layer 2 MAC learning, aging, and switching by hardware
Spanning Tree Protocol (IEEE 802.1d) support per bridge group
Spanning Tree SNMP trap support
Support for a maximum of 64 active bridge groups
Integrated routing and bridging (IRB) mode support
CPU redundancy
1
1. CPU redundancy for the Catalyst 8510 CSR
Table 7 VLAN Feature Set Supported by the Catalyst 8500 CSR
Virtual LAN (VLAN) Features
Inter-Switch Link (ISL)-based VLAN trunking
802.1Q-based VLAN routing/bridging support
Note Untagged packets arriving on a native VLAN are handled by the CPU, rather
than the microcode.
Also see the “VLAN Encapsulation Restrictions” section on page 16.
Table 8 Layer 3 Routing, Switching, and Forwarding Feature Set Supported by the
Catalyst 8500 CSR
Layer 3 Routing, Switching, and Forwarding Features
IP, IPX, and IP multicast routing and forwarding between Ethernet ports
IP fragmentation support for POS/ATM uplink
AppleTalk 1 and 2 routing
Note See the “AppleTalk Restrictions” section on page 16.
Constrained multicast flooding (CMF)
IP multicast routing with up to 12,000 groups (S, G) with 16 outgoing interfaces on the Catalyst 8540
CSR
IP multicast routing with up to 6,000 groups (S, G) with 8 outgoing interfaces on the Catalyst 8510
CSR
Note Multicast routing is not supported over BVI.
Up to 128 IP multicast groups
QoS-based forwarding based on IP precedence