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Dell S4048T User Manual

Dell S4048T
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Table 81. Behaviors for Mismatched TPID
Network
Position
Incoming
Packet TPID
System TPID Match Type Pre-Version
8.2.1.0
Version 8.2.1.0+
Ingress Access
Point
untagged 0xUVWX switch to default
VLAN
switch to default
VLAN
single-tag
(0x8100)
0xUVWX single-tag
mismatch
switch to default
VLAN
switch to default
VLAN
0x8100 single-tag
match
switch to VLAN switch to VLAN
0x81XY single-tag first-
byte match
switch to VLAN switch to default
VLAN
Core untagged 0xUVWX switch to default
VLAN
switch to default
VLAN
double-tag
0xUVWX
0xUVWX double-tag
match
switch to VLAN switch to VLAN
0xUVYZ double-tag first-
byte match
switch to VLAN switch to default
VLAN
0xQRST double-tag
mismatch
switch to default
VLAN
switch to default
VLAN
Egress Access
Point
untagged 0xUVWX switch to default
VLAN
switch to default
VLAN
double-tag
0xUVWX
0xUVWX double-tag
match
switch to VLAN switch to VLAN
0xUVYZ double-tag first-
byte match
switch to VLAN switch to default
VLAN
0xQRST double-tag
mismatch
switch to default
VLAN
switch to default
VLAN
VLAN Stacking Packet Drop Precedence
VLAN stacking packet-drop precedence is supported on the switch.
The drop eligible indicator (DEI) bit in the S-Tag indicates to a service provider bridge which packets it should
prefer to drop when congested.
Enabling Drop Eligibility
Enable drop eligibility globally before you can honor or mark the DEI value.
When you enable drop eligibility, DEI mapping or marking takes place according to the defaults. In this case,
the CFI is affected according to the following table.
Service Provider Bridging 957

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Dell S4048T Specifications

General IconGeneral
Switching Capacity1.44 Tbps
Rack Units1U
Form FactorRack-mountable
Power DeviceInternal power supply
Power RedundancyOptional
Product TypeSwitch
Jumbo Frame SupportYes
Routing ProtocolOSPF, BGP, RIP, VRRP, PIM-SM, IGMP
Remote Management ProtocolSNMP, RMON, Telnet, SSH
FeaturesQuality of Service (QoS), Jumbo Frames Support, Virtual Route Redundancy Protocol (VRRP), VLAN support, sFlow, Multiple Spanning Tree Protocol (MSTP), Rapid Spanning Tree Protocol (RSTP), IPv6 support
Compliant StandardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3ae
Dimensions (W x D x H)17.3 in x 16 in x 1.7 in
Operating Temperature0°C to 40 °C
Operating Humidity10% to 90% (non-condensing)

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