Cisco NM-8B-U User Guide - Page 43
Benefits, Restrictions, Fallback Bridging Network Example
UPC - 074632001001
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16- and 36-Port Ethernet Switch Module for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Feature Overview Figure 19 Fallback Bridging Network Example Cisco router with Ethernet switch network module Routed port 172.20.130.1 Host C 172.20.128.1 SVI 1 Host A SVI 2 172.20.129.1 Host B 88854 VLAN 20 VLAN 30 Benefits • Statistical gains by combining multiple traffic types over a common IP infrastructure. • Long distance savings • Support for Intra-chassis stacking • Voice connectivity over data applications • IPSEC, ACL, VPN and Firewall options • New broadband WAN options The Interface Range Specification feature makes configuration easier for these reasons: • Identical commands can be entered once for a range of interfaces, rather than being entered separately for each interface. • Interface ranges can be saved as macros. Restrictions The following functions are not supported in this release: • CGMP client, CGMP fast-leave • Dynamic ports • Dynamic access ports • Secure ports • Dynamic trunk protocol • Dynamic VLANs • GARP, GMRP, and GVRP • ISL tagging (The chip does not support ISL.) • Layer 3 switching onboard • Monitoring of VLANs Cisco IOS Release 12.2(2)XT, 12.2(8)T, and 12.2(15)ZJ 43