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スイッチ Cisco 4948 SeriesのPDF データシートをオンラインで閲覧またはダウンロードできます。Cisco 4948 Series 18 ページ。 10 gigabit ethernet switch
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Cisco 4948 Series データシート
IEEE 802.1 QinQ in hardware
Layer 2 protocol tunneling
Multilayer jumbo frames (up to 9216 bytes)
Baby giants (up to 1600 bytes)
Unidirectional Ethernet
Storm control (formally known as broadcast and multicast suppression)
Community private VLANs (PVLANs)
Forced 10/100 autonegotiation
Web Content Communication Protocol (WCCP) Version 2 Layer 2 redirect
Private VLAN promiscuous trunk
Layer 2 promiscuous trunk over trunk port (L2PT)
Class-of-service (CoS) mutation
E-OAM 802.3ah and CFM: 802.1ag
Layer 3 Features
Jumbo frames on all ports (up to 9216 bytes)
Hardware-based IP Cisco Express Forwarding routing at 102 mpps
IP routing protocols: EIGRP, OSPF, RIP, and RIP2
BGP4 and Multicast Border Gateway Protocol (MBGP)
Nonstop Forwarding (NSF) awareness
Hot Standby Router Protocol (HSRP) v1 and v2
Software routing of Internetwork Packet Exchange (IPX) and AppleTalk
IS-IS routing protocol
IGMPv1, v2, and v3
IGMP filtering on access and trunk ports
IP Multicast routing protocols: PIM, SSM, and Distance Vector Multicast Routing Protocol (DVMRP)
Auto rendezvous point (Auto-RP)
Pragmatic General Multicast (PGM)
Cisco Group Multicast Protocol server
Full Internet Control Message Protocol (ICMP) support
ICMP Router Discovery Protocol
Policy-based routing (PBR)
Virtual Route Forwarding lite (VRF-lite)
VRF-aware IP services
IPv6 (software switched)
OSPF fast convergence
OSPF and EIGRP fast-convergence protection
EIGRP stub
Virtual Router Redundancy Protocol (VRRP)
IP unnumbered for SVI
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