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Table 1-1 Switches Supported Switch Catalyst 2950-12 Catalyst 2950-24 Catalyst 2950C-24 Catalyst 2950G-12-EI Catalyst 2950G-24-EI Catalyst 2950G-24-EI-DC Catalyst 2950G-48-EI Catalyst 2950ST-8 LRE Catalyst 2950ST-24 LRE Catalyst 2950ST-24 LRE 997 Catalyst 2950SX-24 Catalyst 2950SX-48-SI Catalyst 2950T-24 Catalyst 2950T-48-SI Software Image SI1 SI EI2 EI EI EI EI EI EI EI SI SI EI SI 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software...
Table 1-1 Switches Supported Switch Catalyst 2950-12 Catalyst 2950-24 Catalyst 2950C-24 Catalyst 2950G-12-EI Catalyst 2950G-24-EI Catalyst 2950G-24-EI-DC Catalyst 2950G-48-EI Catalyst 2950ST-8 LRE Catalyst 2950ST-24 LRE Catalyst 2950ST-24 LRE 997 Catalyst 2950SX-24 Catalyst 2950SX-48-SI Catalyst 2950T-24 Catalyst 2950T-48-SI Software Image SI1 SI EI2 EI EI EI EI EI EI EI SI SI EI SI 78-11380-10 Catalyst 2950 and Catalyst 2955 Switch Software...
Software Configuration Guide
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... feature enabled, no user traffic is sent or received. The switch CPU continues to the forwarding state - Port Fast for eliminating the forwarding delay by enabling a port to immediately transition from Cisco IP Phones • VLAN 1 minimization to reduce the risk ...available only with appropriate network resources, traffic patterns, and bandwidth Note The Catalyst 2950-12, Catalyst 2950-24, Catalyst 2950SX-24, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI switches support only 64 port-based VLANs. • The switch supports up to 4094 VLAN IDs to allow service provider networks to be...
... feature enabled, no user traffic is sent or received. The switch CPU continues to the forwarding state - Port Fast for eliminating the forwarding delay by enabling a port to immediately transition from Cisco IP Phones • VLAN 1 minimization to reduce the risk ...available only with appropriate network resources, traffic patterns, and bandwidth Note The Catalyst 2950-12, Catalyst 2950-24, Catalyst 2950SX-24, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI switches support only 64 port-based VLANs. • The switch supports up to 4094 VLAN IDs to allow service provider networks to be...
Software Configuration Guide
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... ports on the Catalyst 2950C-24 switch • 1000BASE-SX ports on the Catalyst 2950SX-24 switch • 1000BASE-SX ports on the Catalyst 2950SX-48-SI switch • GBIC ports • Fiber-optic SFP-module ports on the Catalyst 2950 LRE switch Note You cannot configure speed or duplex mode on Catalyst 2950 LRE, Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2955T-24 switches operate at...
... ports on the Catalyst 2950C-24 switch • 1000BASE-SX ports on the Catalyst 2950SX-24 switch • 1000BASE-SX ports on the Catalyst 2950SX-48-SI switch • GBIC ports • Fiber-optic SFP-module ports on the Catalyst 2950 LRE switch Note You cannot configure speed or duplex mode on Catalyst 2950 LRE, Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2955T-24 switches operate at...
Software Configuration Guide
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... the speed and duplex interface commands. For example, if you can configure the 10/100/1000 ports on the Catalyst 2950T-24 and Catalyst 2950T-48-SI switches to autonegotiate the duplex mode by using the duplex full command. If you enter the speed 100 and the duplex half interface ... full-duplex mode. The ports can operate at 1000 Mbps only in full-duplex mode. • Fiber-optic SFP-module ports on the Catalyst 2950 LRE switch operate only at 1000 Mbps in full-duplex mode. • GigaStack-to-GigaStack cascade connections operate in half-duplex mode, and GigaStackto-GigaStack...
... the speed and duplex interface commands. For example, if you can configure the 10/100/1000 ports on the Catalyst 2950T-24 and Catalyst 2950T-48-SI switches to autonegotiate the duplex mode by using the duplex full command. If you enter the speed 100 and the duplex half interface ... full-duplex mode. The ports can operate at 1000 Mbps only in full-duplex mode. • Fiber-optic SFP-module ports on the Catalyst 2950 LRE switch operate only at 1000 Mbps in full-duplex mode. • GigaStack-to-GigaStack cascade connections operate in half-duplex mode, and GigaStackto-GigaStack...
Hardware Installation Guide
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... LRE ports, 2 10/100/1000 Ethernet ports, and 2 SFP module slots with DC-input power - Catalyst 2950SX-48-SI switch-48 10/100 Ethernet ports and 2 1000BASE-SX ports - For 10/100/1000 ports on the Catalyst 2950T-48-SI and 2950 LRE switches, autonegotiates the speed and duplex setting when operating at 1000 Mbps, it supports only full-duplex...
... LRE ports, 2 10/100/1000 Ethernet ports, and 2 SFP module slots with DC-input power - Catalyst 2950SX-48-SI switch-48 10/100 Ethernet ports and 2 1000BASE-SX ports - For 10/100/1000 ports on the Catalyst 2950T-48-SI and 2950 LRE switches, autonegotiates the speed and duplex setting when operating at 1000 Mbps, it supports only full-duplex...
Hardware Installation Guide
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... 9x 10x 11x 10Base-T / 100Base-TX 12x 13x 14x 15x 16x 17x 18x 19x 20x 21x 22x 23x Catalyst 2950 SERIES 24x 10/100/100Base-T 1 2 10/100 ports 10/100/1000 ports Figure 1-13 Catalyst 2950SX-48-SI Switch 97630 SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 2X 23 45 67 8 9 10 11 12 13... 18X 33 31X 33X 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 47X 32X 34X 48X 10/100 ports Catalyst 2950 SERIES 1 2 1000BASE-SX ports Figure 1-14 Catalyst 2950T-48-SI Switch 97626 SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 2X 23 45 67 8 9 10 11 12 13 14...
... 9x 10x 11x 10Base-T / 100Base-TX 12x 13x 14x 15x 16x 17x 18x 19x 20x 21x 22x 23x Catalyst 2950 SERIES 24x 10/100/100Base-T 1 2 10/100 ports 10/100/1000 ports Figure 1-13 Catalyst 2950SX-48-SI Switch 97630 SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 2X 23 45 67 8 9 10 11 12 13... 18X 33 31X 33X 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 47X 32X 34X 48X 10/100 ports Catalyst 2950 SERIES 1 2 1000BASE-SX ports Figure 1-14 Catalyst 2950T-48-SI Switch 97626 SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 2X 23 45 67 8 9 10 11 12 13 14...
Hardware Installation Guide
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... cables are described in full-duplex mode. For information on how to identify a crossover cable, go to the "Identifying a Crossover Cable" section on the Catalyst 2950T-48-SI and Catalyst 2950 LRE switches can also be set for speed and duplex autonegotiation, compliant with IEEE 802.3AB. Front-Panel Description Chapter 1 Overview Note When connecting the...
... cables are described in full-duplex mode. For information on how to identify a crossover cable, go to the "Identifying a Crossover Cable" section on the Catalyst 2950T-48-SI and Catalyst 2950 LRE switches can also be set for speed and duplex autonegotiation, compliant with IEEE 802.3AB. Front-Panel Description Chapter 1 Overview Note When connecting the...
Hardware Installation Guide
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...: • Figure 1-15 for the Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 switches • Figure 1-16 for the Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC switches • Figure 1-17 for the Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI switches • Figure 1-18 for the Catalyst 2950ST-8 LRE and 2950ST-24...
...: • Figure 1-15 for the Catalyst 2950-12, 2950-24, 2950C-24, 2950SX-24, and 2950T-24 switches • Figure 1-16 for the Catalyst 2950G-12-EI, 2950G-24-EI, and 2950G-24-EI-DC switches • Figure 1-17 for the Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI switches • Figure 1-18 for the Catalyst 2950ST-8 LRE and 2950ST-24...
Hardware Installation Guide
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... RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X Mode button Figure 1-17 LEDs on Catalyst 2950G-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches Port status LEDs System LED RPS LED Port mode LEDs SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 89 10...
... RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X Mode button Figure 1-17 LEDs on Catalyst 2950G-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches Port status LEDs System LED RPS LED Port mode LEDs SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 89 10...
Hardware Installation Guide
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... 1X SYST RPS 11X 13X 15X 1 STAT UTIL DUPLX SPEED 2X 12X 14X 16X MODE < 25% + 25% - 49% + 50% + Catalyst 2950 2 If all LEDs on . (See Figure 1-24.) 1-20 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01 If LEDs for both GBIC module slots are green (no amber showing), the... 12 1X 34 56 78 9 10 11 12 11X 2X 12X < 25% + 25% - 49% + 50% + Catalyst 2950 1 2 If all LEDs on a Catalyst 2950G-48-EI, 2950SX-48-SI, or 2950T-48-SI switch are off , the switch is using 50 percent or more of the total bandwidth. If LEDs for GBIC module slot 2 is off , the...
... 1X SYST RPS 11X 13X 15X 1 STAT UTIL DUPLX SPEED 2X 12X 14X 16X MODE < 25% + 25% - 49% + 50% + Catalyst 2950 2 If all LEDs on . (See Figure 1-24.) 1-20 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01 If LEDs for both GBIC module slots are green (no amber showing), the... 12 1X 34 56 78 9 10 11 12 11X 2X 12X < 25% + 25% - 49% + 50% + Catalyst 2950 1 2 If all LEDs on a Catalyst 2950G-48-EI, 2950SX-48-SI, or 2950T-48-SI switch are off , the switch is using 50 percent or more of the total bandwidth. If LEDs for GBIC module slot 2 is off , the...
Hardware Installation Guide
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Chapter 1 Overview Rear-Panel Description Figure 1-24 Bandwidth Utilization on Catalyst 2950G-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches 65510 Catalyst 2950 12 1X 3 24 56 78 9 10 11 12 13 14 15 16 15X 17 18 17X ...RPS connector Fan exhaust CONSOLE RJ-45 console port OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-21 CONSOLE RPS connector Fan RJ-45 console port Figure 1-26 Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI Switch Rear Panel 65511 12005R@[email protected]~~ AC power connector DSCPEIPNC+OPI1FWU2IETVEDRFOIS...
Chapter 1 Overview Rear-Panel Description Figure 1-24 Bandwidth Utilization on Catalyst 2950G-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches 65510 Catalyst 2950 12 1X 3 24 56 78 9 10 11 12 13 14 15 16 15X 17 18 17X ...RPS connector Fan exhaust CONSOLE RJ-45 console port OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 1-21 CONSOLE RPS connector Fan RJ-45 console port Figure 1-26 Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, and Catalyst 2950T-48-SI Switch Rear Panel 65511 12005R@[email protected]~~ AC power connector DSCPEIPNC+OPI1FWU2IETVEDRFOIS...
Hardware Installation Guide
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...this unit in a partially filled rack, load the rack from Cisco (part number RCKMNT-1RU=). Mounting the Switch in a 19-, 23-, or 24-inch rack, follow these illustrations. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-7 Attaching the Brackets to the top with... a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI switch in a 23-inch or 24-inch rack requires an optional bracket kit not included with stabilizing devices, install the stabilizers before mounting or servicing the unit in a rack as examples. You can install other Catalyst 2950 switches in ...
...this unit in a partially filled rack, load the rack from Cisco (part number RCKMNT-1RU=). Mounting the Switch in a 19-, 23-, or 24-inch rack, follow these illustrations. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-7 Attaching the Brackets to the top with... a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI switch in a 23-inch or 24-inch rack requires an optional bracket kit not included with stabilizing devices, install the stabilizers before mounting or servicing the unit in a rack as examples. You can install other Catalyst 2950 switches in ...
Hardware Installation Guide
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... DUPLX SPEED MODE 1x 2x 3x 4x 5x Catalyst 2950 Switch Hardware Installation Guide 2-8 OL-6156-01 Figure 2-1 to Figure 2-15 show how to attach a bracket to a 19-, 23-, or 24-inch rack. Follow these guidelines: • When mounting a switch other than a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI switch in a 19-inch rack, use two Phillips...
... DUPLX SPEED MODE 1x 2x 3x 4x 5x Catalyst 2950 Switch Hardware Installation Guide 2-8 OL-6156-01 Figure 2-1 to Figure 2-15 show how to attach a bracket to a 19-, 23-, or 24-inch rack. Follow these guidelines: • When mounting a switch other than a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI switch in a 19-inch rack, use two Phillips...
Hardware Installation Guide
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... UTIL DUPLX SPEED MODE 1 1X 23 45 67 89 10 11 12 13 14 15 16 15X 2X 16X 65512 Figure 2-5 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 19-Inch Rack (Rear Panel Forward) CONSOLE Number-8 Phillips flat-head screws 65513 2-10 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01
... UTIL DUPLX SPEED MODE 1 1X 23 45 67 89 10 11 12 13 14 15 16 15X 2X 16X 65512 Figure 2-5 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 19-Inch Rack (Rear Panel Forward) CONSOLE Number-8 Phillips flat-head screws 65513 2-10 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01
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Chapter 2 Installation Installing the Switch Figure 2-6 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 19-Inch Telco Rack CONSOLE 65514 Number-8 Phillips flat-head screws Figure 2-7 Attaching Brackets on the Catalyst 2950G-24-EI-DC or 2950ST-24 LRE 997 Switch in a 23-Inch Telco Rack (Front Panel Forward) Number-8 Phillips truss-head screws SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X 65673 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-11
Chapter 2 Installation Installing the Switch Figure 2-6 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 19-Inch Telco Rack CONSOLE 65514 Number-8 Phillips flat-head screws Figure 2-7 Attaching Brackets on the Catalyst 2950G-24-EI-DC or 2950ST-24 LRE 997 Switch in a 23-Inch Telco Rack (Front Panel Forward) Number-8 Phillips truss-head screws SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 11X 2X 12X 65673 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-11
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Installing the Switch Figure 2-12 Attaching Brackets on the Switch in a 24-Inch Telco Rack Chapter 2 Installation CONSOLE 65667 Number-8 Phillips truss-head screws Figure 2-13 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 24-Inch Rack (Front Panel Forward) Phillips flat-head screws SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 13 14 15 16 15X 2X 16X 74528 2-14 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01
Installing the Switch Figure 2-12 Attaching Brackets on the Switch in a 24-Inch Telco Rack Chapter 2 Installation CONSOLE 65667 Number-8 Phillips truss-head screws Figure 2-13 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 24-Inch Rack (Front Panel Forward) Phillips flat-head screws SYST RPS STAT UTIL DUPLX SPEED MODE 1 1X 23 45 67 8 9 10 11 12 13 14 15 16 15X 2X 16X 74528 2-14 Catalyst 2950 Switch Hardware Installation Guide OL-6156-01
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Chapter 2 Installation Installing the Switch Figure 2-14 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 24-Inch Rack (Rear Panel Forward) CONSOLE 74529 Phillips flat-head screws Figure 2-15 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 24-Inch Telco Rack 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 47X 48X Catalyst 2950 SERIES 1 2 24" Configuration Phillips flat-head screws 74530 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-15
Chapter 2 Installation Installing the Switch Figure 2-14 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 24-Inch Rack (Rear Panel Forward) CONSOLE 74529 Phillips flat-head screws Figure 2-15 Attaching Brackets on a Catalyst 2950G-48-EI, Catalyst 2950SX-48-SI, or Catalyst 2950T-48-SI Switch in a 24-Inch Telco Rack 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 47X 48X Catalyst 2950 SERIES 1 2 24" Configuration Phillips flat-head screws 74530 OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-15
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...; Set the speed and duplex parameters on LRE uplink logical ports. To maximize performance, choose one time. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-27 If the attached devices do not support autonegotiation, you can use only the copper or the fiber-... must be grounded at both logical ports, by default, the switch chooses the fiber-optic connections over the copper connections. Within each consisting of attached devices. When connecting the ports on Catalyst 2950 LRE and Catalyst 2950T-48-SI switches operate at the speed setting of a copper 10/100/1000...
...; Set the speed and duplex parameters on LRE uplink logical ports. To maximize performance, choose one time. OL-6156-01 Catalyst 2950 Switch Hardware Installation Guide 2-27 If the attached devices do not support autonegotiation, you can use only the copper or the fiber-... must be grounded at both logical ports, by default, the switch chooses the fiber-optic connections over the copper connections. Within each consisting of attached devices. When connecting the ports on Catalyst 2950 LRE and Catalyst 2950T-48-SI switches operate at the speed setting of a copper 10/100/1000...
Hardware Installation Guide
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...-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches 32 to 113°F (0 to 45°C) -13 to 158°F (-25 to 70°C) 10 to 85% (noncondensing) Up to 10,000 ft (3000 m) Up to 15,000 ft (4570 m) Catalyst 2950 Switch Hardware Installation Guide A-2 OL-6156-01 per sec (2.13 m per sec) 100 to 127/200...) 154 Btus per hour 0.075 kVA 10.5 lb (4.8 kg) 1.72 x 17.5 x 13 in. (4.36 x 44.45 x 33.02 cm) Table A-3 Technical Specifications for the +12 V @4.5 A Cisco RPS 675 Power consumption 30 W (maximum) 102 Btus per sec)1 AC input voltage 100 to 127/200 to 240 VAC (autoranging) 50 to 15,000...
...-48-EI, 2950SX-48-SI, and 2950T-48-SI Switches 32 to 113°F (0 to 45°C) -13 to 158°F (-25 to 70°C) 10 to 85% (noncondensing) Up to 10,000 ft (3000 m) Up to 15,000 ft (4570 m) Catalyst 2950 Switch Hardware Installation Guide A-2 OL-6156-01 per sec (2.13 m per sec) 100 to 127/200...) 154 Btus per hour 0.075 kVA 10.5 lb (4.8 kg) 1.72 x 17.5 x 13 in. (4.36 x 44.45 x 33.02 cm) Table A-3 Technical Specifications for the +12 V @4.5 A Cisco RPS 675 Power consumption 30 W (maximum) 102 Btus per sec)1 AC input voltage 100 to 127/200 to 240 VAC (autoranging) 50 to 15,000...
Hardware Installation Guide
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... four twisted-pair, crossover cable. If the Catalyst 2950 LRE switch senses more information on LRE uplink logical ports. See the "SFP Module Slots" section on Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2950 Long-Reach Ethernet (LRE) switches use Category 5 cabling when connecting to 10BASE-T-...page 1-11 for more than two connections for 10BASE-T and100BASE-TX. Note On the Catalyst 2950 LRE switches, the four input uplink ports are designated with an X. Catalyst 2950 Switch Hardware Installation Guide B-2 OL-6156-01 Figure B-13 shows the four twisted-pair, ...
... four twisted-pair, crossover cable. If the Catalyst 2950 LRE switch senses more information on LRE uplink logical ports. See the "SFP Module Slots" section on Catalyst 2950T-24, Catalyst 2950T-48-SI, and Catalyst 2950 Long-Reach Ethernet (LRE) switches use Category 5 cabling when connecting to 10BASE-T-...page 1-11 for more than two connections for 10BASE-T and100BASE-TX. Note On the Catalyst 2950 LRE switches, the four input uplink ports are designated with an X. Catalyst 2950 Switch Hardware Installation Guide B-2 OL-6156-01 Figure B-13 shows the four twisted-pair, ...