Port Speed on EX Switches

Port Speed on EX4650-48Y Switches

For information about EX4650-48Y Switches, see EX4650 Switch Hardware Guide.

For information about platform support, see Hardware Compatibility Tool (HCT).

Table 1: EX4650-48Y Details and Description
Details	Description
FPC/PIC	FPC 0 and PIC 0; one FPC and one PIC.
QSFP/QSFP28 and SFP+ ports	Total number of ports- 56; 48 SFP+ ports and eight extension module ports.
Auto speed detection mode (Enabled by default)	If you have disabled auto-channelization, then to channelize the ports, manually configure the port speed using the `set chassis fpc slot-number port port-number channel-speed speed` command, where the speed can be set to 10 GbE or 25 GbE If a 100-Gigabit Ethernet transceiver is connected, you can only set the speed to 25GbE For the SFP+ ports, you can set the speed to 25 GbE or 1 G. There is no commit check for this, however. On EX4650 switches, the extension module ports support auto-channelization.

Table 2 summarizes the supported port speeds on EX4650-48Y.

Table 2: Port Speed for EX4650-48Y
PIC	Port Number	Port Speed Supported	Default Speed
PIC 0	(Labeled 0 through 47) 48 SFP+ ports	1-Gigabit Ethernet 10-Gigabit Ethernet 25-Gigabit Ethernet You can configure the SFP and SFP28 port speeds only per quad (group of 4 ports) and not individually. The interface will not get created automatically on inserting 1-Gigabit Ethernet or 25-Gigabit Ethernet transceivers. You must use the CLI to configure the port speed to 1-Gigabit Ethernet or 25-Gigabit Ethernet mode manually.	10 Gbps
PIC 0	(Labeled 48 through 55) 8 extension module ports	100-Gigabit Ethernet (QSFP28 ports) 40-Gigabit Ethernet (QSFP+ ports) 4x10 GbE 4x25 GbE	100 Gbps (for QSFP28 ports) 40 Gbps (for QSFP+ ports)

EX4650-48Y does not support autonegotiation when 1-gigabit fiber SFP transceiver is plugged in. In such cases, we recommend to disable auto-negotiation on the remote end device. But, EX4650-48Y switches with 1-gigabit copper SFP transceiver supports autonegotiation, as the physical layer within the transceiver handles autonegotiation.

Table 3 lists the interface naming conventions of SFP+ ports (labeled 0 through 47) for the EX4650-48Y switch.

Table 3: Interface Naming Convention for the EX4650-48Y Switch (SFP+ Ports)
PIC	1-Gigabit Ethernet Interface	10-Gigabit Ethernet Interface	25-Gigabit Ethernet Interface
0	`ge-0/0/0`	`xe-0/0/0`	`et-0/0/0`
	`ge-0/0/1`	`xe-0/0/1`	`et-0/0/1`
	`ge-0/0/2`	`xe-0/0/2`	`et-0/0/2`
	`ge-0/0/3`	`xe-0/0/3`	`et-0/0/3`
	`ge-0/0/4`	`xe-0/0/4`	`et-0/0/4`

Table 4 lists the interface naming conventions of extension module ports (labeled 48 through 55) for the EX4650-48Y switch.

Table 4: Interface Naming Convention for the EX4650-48Y Switch (Extension Module Ports)
PIC	10-Gigabit Ethernet Interface	25-Gigabit Ethernet Interface	40-Gigabit Ethernet Interface	100-Gigabit Ethernet Interface
0	`xe-0/0/48:[0-3]`	`et-0/0/48:[0-3]`	`et-0/0/48`	`et-0/0/48`
	`xe-0/0/49:[0-3]`	`et-0/0/49:[0-3]`	`et-0/0/49`	`et-0/0/49`
	`xe-0/0/50:[0-3]`	`et-0/0/50:[0-3]`	`et-0/0/50`	`et-0/0/50`
	`xe-0/0/51:[0-3]`	`et-0/0/51:[0-3]`	`et-0/0/51`	`et-0/0/51`
	`xe-0/0/52:[0-3]`	`et-0/0/52:[0-3]`	`et-0/0/52`	`et-0/0/52`
	`xe-0/0/53:[0-3]`	`et-0/0/53:[0-3]`	`et-0/0/53`	`et-0/0/53`
	`xe-0/0/54:[0-3]`	`et-0/0/54:[0-3]`	`et-0/0/54`	`et-0/0/54`
	`xe-0/0/55:[0-3]`	`et-0/0/55:[0-3]`	`et-0/0/55`	`et-0/0/55`

Port Speed on EX4400 Switches

For information about EX4400 Switches, see EX4400 Switch Hardware Guide.

To view the supported transceivers, optical interfaces, and DAC cables on EX4400 switches, see Hardware Compatibility Tool (HCT).

Table 5: Port Speed for EX4400-24T and EX4400-24P
PIC	Ports	Supported Port Speeds	Default Speed
PIC 0	24 RJ-45 built-in ports (Numbered 0 through 23)	10 Mbps, 100 Mbps, and 1 Gbps Autonegotiation is supported and enabled by default.	1 Gbps
PIC 1	2x100 GbE QSFP28 ports (Numbered 0 and 1)	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
PIC 2	1x100 GbE QSFP28 extension module (model number: EX4400-EM-1C) The extension module port can operate as a VCP using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis. Note: EX4400 switches except EX4400-24X require System CPLD Firmware 1.0 or later installed in them to support the 1x100 GbE QSFP28 extension module. There is no CPLD upgrade that is required on EX4400-24X to support the 1x100 GbE QSFP28 extension module". See Installing and Upgrading Firmware and request system firmware upgrade for steps to upgrade the firmware.	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
	4x25 GbE SFP28 extension module (model number: EX4400-EM-4Y) When the extension module ports operate at 25 Gbps speed, you can configure them to operate as VCPs using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	25 Gbps	25 Gbps 4x25G extension module can also support 10 GbE or 1 GbE upon setting the first port to 10 GbE/1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed <10g/1g>` You can revert to the default 25-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 25g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed <1g/10g>` command. All the ports in the extension module operate in the same speed.
		10 Gbps
		1 Gbps
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	10 Gbps	10 Gbps 4x10G extension module can also support 1 G upon setting the first port to 1 G using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g`. You can revert to the default 10-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 10g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g` command. All the ports in the extension module operate in the same speed.
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	1 Gbps

Table 6: Port Speed for EX4400-48T and EX4400-48P
PIC	Ports	Supported Port Speeds	Default Speed
PIC 0	48 RJ-45 built-in ports (Numbered 0 through 47)	10 Mbps, 100 Mbps, and 1 Gbps Autonegotiation is supported and enabled by default.	1 Gbps
PIC 1	2x100 GbE QSFP28 ports (Numbered 0 and 1)	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
PIC 2	1x100 GbE QSFP28 extension module (model number: EX4400-EM-1C) The extension module port can operate as a VCP using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
	4x25 GbE SFP28 extension module (model number: EX4400-EM-4Y) When the extension module ports operate at 25 Gbps speed, you can configure them to operate as VCPs using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	25 Gbps	25 Gbps 4x25G extension module can also support 10 GbE or 1 GbE upon setting the first port to 10 GbE/1 G using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed <10g/1g>` You can revert to the default 25-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 25g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed <1g/10g>` command. All the ports in the extension module operate in the same speed.
		10 Gbps
		1 Gbps
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	10 Gbps	10 Gbps 4x10G extension module can also support 1 GbE upon setting the first port to 1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g`. You can revert to the default 10-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 10g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g` command. All the ports in the extension module operate in the same speed.
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	1 Gbps

Table 7: Port Speed for EX4400-48F
PIC	Ports	Supported Port Speeds	Default Speed
PIC 0	36 built-in (SFP) ports (Numbered 0 through 35) Auto-negotiation is supported with both copper and fiber SFPs.	1 Gbps	1 Gbps
	12 built-in (SFP+) ports (Numbered 36 through 47) Auto-negotiation is only supported with copper SFPs for 1 Gbps speed.	10 Gbps	10 Gbps
		1 Gbps	10 Gbps
PIC 1	2x100 GbE QSFP28 ports Numbered 0 and 1	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
PIC 2	1x100 GbE QSFP28 extension module (model number: EX4400-EM-1C) The extension module port can operate as a VCP using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
	4x25 GbE SFP28 extension module (model number: EX4400-EM-4Y) When the extension module ports operate at 25 Gbps speed, you can configure them to operate as VCPs using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	25 Gbps	25 Gbps 4x25G extension module can also support 10 GbE or 1 GbE upon setting the first port to 10 GbE/1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed <10g/1g>` You can revert to the default 25-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 25g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed <1g/10g>` command. All the ports in the extension module operate in the same speed.
		10 Gbps
		1 Gbps
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	10 Gbps	10 Gbps 4x10G extension module can also support 1 GbE upon setting the first port to 1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g`. You can revert to the default 10-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 10g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g` command. All the ports in the extension module operate in the same speed.
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	1 Gbps

Table 8: Port Speed for EX4400-24X
PIC	Port Number/Module	Port Speed Supported	Default Speed
PIC 0	24 (0-23) fixed ports	1 GbE	1 GbE
PIC 0	24 (0-23) fixed ports	10 GbE (SFP+ ports)	10 GbE
PIC 1	2x100G (network ports or virtual chassis ports)	40 GbE (QSFP28 ports)	40 GbE
PIC 1	2x100G (network ports or virtual chassis ports)	100 GbE (QSFP28 ports)	100 GbE
PIC 2 (Extension module)	4x10 GbE extension module	1 GbE and 10 GbE	10 GbE
PIC 2 (Extension module)	4x25 GbE extension module	1 GbE, 10 GbE, and 25 GbE	25 GbE

Note the following guidelines for EX4400-24X switches:

You can configure PIC 1 port 0 in 100 GbE virtual chassis mode and port 1 in 100GbE network mode simultaneously and vice versa.
You can configure PIC 1 port 0 in 40 GbE virtual chassis mode and port 1 in 40 GbE network mode simultaneously and vice versa.
You can channelize 100GbE ports into 4x25G network ports and 40GbE network ports into 4x10G.
Virtual chassis ports do not support channelization.
When you change the speed of port 0 to 1 GbE, 10GbE, or 25 GbE in PIC 2, all the four ports change to the same speed.

Table 9: Port Speed for EX4400-24MP
PIC	Ports	Port Speeds Supported	Default Speed
PIC 0	24 RJ-45 built-in ports (Numbered 0 through 23)	10 Gbps 5 Gbps 2.5 Gbps 1 Gbps 100 Mbps	10 Gbps
PIC 1	2x100 GbE QSFP28 ports (Numbered 0 and 1)	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
PIC 2	1x100 GbE QSFP28 extension module (model number: EX4400-EM-1C) The extension module port can operate as a VCP using HGoE. To learn about HGoE mode,EX4400 Switches in a Virtual Chassis.	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
	4x25 GbE SFP28 extension module (model number: EX4400-EM-4Y) When the extension module ports operate at 25 Gbps speed, you can configure them to operate as VCPs using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	25 Gbps	25 Gbps 4x25 GbE extension module can also support 10 GbE or 1 GbE upon setting the first port to 10 GbE/1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed <10g/1g>` You can revert to the default 25-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 25g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed <1g/10g>` command. All the ports in the extension module operate in the same speed.
		10 Gbps
		1 Gbps
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	10 Gbps	10 Gbps 4x10 GbE extension module can also support 1 GbE upon setting the first port to 1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g`. You can revert to the default 10-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 10g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g` command. All the ports in the extension module operate in the same speed.
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	1 Gbps

Table 10: Port Speed for EX4400-48MP
PIC	Ports	Supported Port Speeds	Default Speed
PIC 0	36 RJ45 built-in ports (Numbered 0 through 35)	2.5 Gbps 1 Gbps 100 Mbps	2.5 Gbps
PIC 0	12 built-in (SFP+) ports (Numbered 36 through 47)	10 Gbps 5 Gbps 2.5 Gbps 1 Gbps 100 Mbps	10 Gbps
PIC 1	2x100 GbE QSFP28 ports (Numbered 0 and 1)	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
PIC 2	1x100 GbE QSFP28 extension module (model number: EX4400-EM-1C) The extension module port can operate as a VCP using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	100 Gbps	100 Gbps
		40 Gbps	40 Gbps
		4x25 Gbps
		4x10 Gbps
	4x25 GbE SFP28 extension module (model number: EX4400-EM-4Y) When the extension module ports operate at 25 Gbps speed, you can configure them to operate as VCPs using HGoE. To learn about HGoE mode, see EX4400 Switches in a Virtual Chassis.	25 Gbps	25 Gbps 4x25G extension module can also support 10 GbE or 1 GbE upon setting the first port to 10 GbE/1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed <10g/1g>` You can revert to the default 25-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 25g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed <1g/10g>` command. All the ports in the extension module operate in the same speed.
		10 Gbps
		1 Gbps
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	10 Gbps	10 Gbps 4x10 GbE extension module can also support 1 GbE upon setting the first port to 1 GbE using the command: `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g`. You can revert to the default 10-gigabit mode by using `set chassis fpc <fpc-slot> pic-slot 2 port 0 speed 10g` or `delete chassis fpc <fpc-slot> pic-slot 2 port 0 speed 1g` command. All the ports in the extension module operate in the same speed.
	4x10 GbE SFP+ extension module (model number: EX4400-EM-4S)	1 Gbps

Note:

When the two 100 GbE QSFP28 ports of PIC 1 of EX4400 switches are configured to operate as network ports, they support channelization.
You can channelize the 100 GbE/40 GbE ports to 4x25G and 4x10G using CLI configuration for both PIC 1 and PIC 2. See Configure Port Speed at Chassis Level and Interface Level to configure channelization.
You can configure one port at 100 Gbps and the other at 40 Gbps at the same time, if needed.
By default, each of the two QSFP28 ports in PIC1 of EX4400 (except EX4400-24X) is configured as two logical 50-Gbps VCP interfaces.

Use the request virtual-chassis mode network-port command to convert 1x100 GbE VCPs to network mode and reboot the system. Use the request virtual-chassis mode network-port disable command to disable network-port mode and reboot the system.

Table 11: Naming Formats for EX4400-48MP and EX4400-24MP Switches
Interfaces	Interfaces Naming Formats
100-Mbps, 1-Gbps, 2.5-Gbps, 5-Gbps, and 10-Gbps Interfaces	mge-0/0/0 mge-0/0/1

Port Speed on EX4100 Switches

The EX4100 family of switches contains the following:

Switches: EX4100-48P, EX4100-48T, EX4100-24P, and EX4100-24T.
Fixed switches: EX4100-F-48P, EX4100-F-48T, EX4100-F-24P, EX4100-F-24T, EX4100-F-12P, and EX4100-F-12T.
Multigigabit switch models: EX4100-24MP and EX4100-48MP

In the switches, you can replace the power modules and fans, where in the fixed switches you cannot replace.

For information about EX4100 and 4100-F Switches, see EX4100 and EX4100-F Switch Hardware Guide.

For information about platform support, see Hardware Compatibility Tool (HCT).

Table 12, Table 13, Table 17, Table 16, Table 14, Table 15, and Table 18 summarizes the supported port speeds on EX4100 switches.

Table 12: Port Speed for EX4100-48P and EX4100-48T
PIC/Ports	Port Number	Speeds Supported	Default Speed	Description
PIC 0	Downlink ports (48 ports) Port 0–47	10-Megabit Ethernet 100-Megabit Ethernet 1-Gigabit Ethernet	1-Gigabit Ethernet	Downlink ports support 1-Gbps speed with full-duplex. Both full-duplex and half-duplex are supported on 100-Mbps and 10-Mbps speeds. By default, the ports come up with 1-Gbps speed. You can configure the other port speeds at the `[edit chassis]` hierarchy level. Autonegotiation is supported and enabled by default.
PIC 1	VCPs (4 ports) Port 0-3	4x10 Gbps 4x25 Gbps- 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 25GbE and 10G).	25-Gigabit Ethernet	Switches support 25-Gbps and 10-Gbps speed in both virtual chassis and network modes. See Virtual Chassis Ports and Network Ports. 1-Gbps speed is supported only in network mode. We support FEC74 and FEC108 (RS-FEC) standards on 25-Gigabit Ethernet network port. By default, 25 Gbps network ports have FEC74 to support the legacy EX devices, where FEC108 is configurable. Autonegotiation is not supported. The `show interfaces interface-name` command displays incorrect autonegotiation status when you disable autonegotiation. You can configure the network ports in mixed speed. For example, 2x10 GbE on ports 0 and 1, 1x1 GbE on port 2, and 1x25 GbE on port 3.
PIC 2	Extension module ports (4 ports) Port 0-3	4x10 Gbps 4x1 Gbps 4x100 Mbps	10-Gigabit Ethernet	Autonegotiation is not supported. You can configure the extension module ports in mixed speed. For example, port 0 with 1x100Mbps, port 1 with 1x10G, and ports 2 and 3 with 2x1G.

Table 13: Port Speed for EX4100-24P and EX4100-24T
PIC/Ports	Port Number	Speeds Supported	Default Speed	Description
PIC 0	Downlink ports (24 ports) Port 0–23	10-Mbps 100 Mbps 1 Gbps	1 Gbps	Downlink ports support 1 Gbps speed with full-duplex. Both full-duplex and half-duplex are supported on 100 Mbps and 10 Mbps speeds. By default, the ports come up with 1 Gbps speed. You can configure the other port speeds at the `[edit chassis]` hierarchy level. Autonegotiation is supported and enabled by default.
PIC 1	VCPs (4 ports) Port 0-3	4x10 Gbps 4x25 Gbps 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 25 GbE and 10G).	25-Gigabit Ethernet	Switches support 25 Gbps and 10 Gbps speed in both VC and network modes. See Virtual Chassis Ports and Network Ports. 1 Gbps speed is supported only in network mode. We support FEC74 and FEC108 (RS-FEC) standards on 25-Gigabit Ethernet network port. By default, 25 Gbps network ports have FEC74 to support the legacy EX devices, where FEC108 is configurable. Autonegotiation is not supported. The `show interfaces interface-name` command displays incorrect autonegotiation status when you disable autonegotiation. You can configure the network ports in mixed speed. For example, 2x10G on ports 0 and 1, 1x1G on port 2, and 1x25G on port 3.
PIC 2	Extension module ports (4 ports) Port 0-3	4x10 Gbps 4x1 Gbps 4x100 Mbps	10 Gbps	Autonegotiation is not supported. You can configure the extension module ports in mixed speed. For example, port 0 with 1x100Mbps, port 1 with 1x10G, and ports 2 and 3 with 2x1G.

Table 14: Port Speed for EX4100-24MP
PIC	Port Number	Port Speed Supported	Default Speed
PIC 0	Downlink ports (0 - 23)	Ports (0 - 7) are multi-rate ports that support 100 Mbps, 1 Gbps, 2.5 Gbps, 5 Gbps, and 10 Gbps. Ports (8-23) are GigE ports that support 10 Mbps, 100 Mbps, and 1 Gbps speed.	For multi-rate ports - 10 Gbps For GigE ports - 1 Gbps
PIC 1	VCPs (0 - 3)	4x25 Gbps 4x10 Gbps 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 25 GbE and 10 GbE. You can configure the network ports in mixed speed. For example, 2x10G on port 0 and 1, 1x1G on port 2, and 1x25G on port 3.) If you convert the VCPs to network ports, ports 0 through 3 on PIC1 support 1 Gbps, 10 Gbps, or 25 Gbps speed. See Virtual Chassis Ports and Network Ports.	No default value
PIC 2	Extension module ports (0 - 3)	4x10 Gbps, 4x1 Gbps, or 4x100 Mbps speed. You can configure the extension module ports in mixed speed. For example, port 0 with 1x100Mbps, port 1 with 1x10G, and ports 2 and 3 with 2x1G.	No default value

Table 15: Port Speed for EX4100-48MP
PIC	Port Number	Port Speed Supported	Default Speed
PIC 0	Downlink ports (0 - 47)	Ports (0 - 15) are multi-rate ports that support 100 Mbps, 1 Gbps, and 2.5 Gbps. Ports (16-47) are GigE ports that support 10 Mbps, 100 Mbps, and 1 Gbps speed.	For multi-rate ports - 2.5 Gbps For GigE ports - 1 Gbps
PIC 1	VCPs ports (0 - 3)	4x25 Gbps 4x10 Gbps 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 25 GbE and 10 GbE You can configure the network ports in mixed speed. For example, 2x10G on port 0 and 1, 1x1G on port 2, and 1x25G on port 3.) If you convert the VCPs to network ports, ports 0 through 3 on PIC1 support 1 Gbps, , 10 Gbps, or 25 Gbps speed. See Virtual Chassis Ports and Network Ports.	No default value
PIC 2	Extension module ports (0 - 3)	4x10-Gbps, 4x1-Gbps, or 4x100 Mbps speed. You can configure the extension module ports in mixed speed. For example, port 0 with 1x100Mbps, port 1 with 1x10G, and ports 2 and 3 with 2x1G.	No default value

On EX4100-48MP and EX4100-24MP switches, when you disable automatic MDI-X by using the no-auto-mdix option, automatic MDI-X is not disabled. The show interfaces interface-name displays incorrect auto MDI-X status when you disable auto MDI-X.

The 4xSFP28 (PIC 1) ports in EX4100 can be network ports or Virtual Chassis ports (VCPs), but not both at the same time. See EX4100 and EX4100-F System Overview for EX4100 and EX4100-F PIC terminology. If PIC 1 is in VC mode, PIC 2 can be in network mode.

Table 16: Port Speed for EX4100-F-24P and EX4100-F-24T (Fixed Switches)
PIC/Ports	Port Number	Speeds Supported	Default Speed	Description
PIC 0	Downlink ports (24 ports) Port 0–23	10-Megabit Ethernet 100-Megabit Ethernet 1-Gigabit Ethernet	1-Gigabit Ethernet	Downlink ports support 1-Gbps speed with full-duplex. Both full-duplex and half-duplex are supported on 100-Mbps and 10-Mbps speeds. By default, the ports come up with 1-Gbps speed. You can configure the other port speeds at the `[edit chassis]` hierarchy level. Autonegotiation is supported and enabled by default.
PIC 1	VCPs (4 ports) Port 0-3	4x10 Gbps 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 10 GbE)	10-Gigabit Ethernet	Fixed switches support 10-Gbps speed in both VC and network modes. See Virtual Chassis Ports and Network Ports. 1-Gbps speed is supported only in network mode. We support FEC74 and FEC108 (RS-FEC) standards on 25-Gigabit Ethernet network port. By default, 25-Gigabit Ethernet network ports have FEC74 to support the legacy EX devices, where FEC108 is configurable. Autonegotiation is not supported. The `show interfaces interface-name` command displays incorrect autonegotiation status when you disable autonegotiation. You can configure the network ports in mixed speed. For example, you can configure 2x10G on ports 0 and 1 and 2x1G on ports 2 and 3.
PIC 2	Extension module ports (4 ports) Port 0-3	100 Mbps 4x10 Gbps 4x1 Gbps	10 Gbps	Autonegotiation is not supported.

Table 17: Port Speed for EX4100-F-48P and EX4100-F-48T (Fixed Switches)
PIC/Ports	Port Number	Speeds Supported	Default Speed	Description
PIC 0	Downlink ports (48 ports) Port 0–47	10 Mbps 100 Mbps 1 Gbps	1 Gbps	Downlink ports support 1-Gbps speed with full-duplex. Both full-duplex and half-duplex are supported on 100-Mbps and 10-Mbps speeds. By default, the ports come up with 1-Gbps speed. You can configure the other port speeds at the `[edit chassis]` hierarchy level. Autonegotiation is supported and enabled by default.
PIC 1	VCPs (4 ports) Port 0-3	4x10 Gbps 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 10 GbE)	10 Gbps	Fixed switches support 10-Gbps speed in both VC and network modes. See Virtual Chassis Ports and Network Ports. 1-Gbps speed is supported only in network mode. We support FEC74 and FEC108 (RS-FEC) standards on 25-Gigabit Ethernet network port. By default, 25-Gigabit Ethernet network ports have FEC74 to support the legacy EX devices, where FEC108 is configurable. Autonegotiation is not supported. The `show interfaces interface-name` command displays incorrect autonegotiation status when you disable autonegotiation. You can configure the network ports in mixed speed. For example, you can configure 2x10G on ports 0 and 1 and 2x1G on ports 2 and 3.
PIC 2	Extension module ports (4 ports) Port 0-3	100 Mbps 4x10 Gbps 4x1 Gbps (only when you convert VCPs to extension module ports)	10 Gbps	Autonegotiation is not supported.

Table 18: Port Speed for EX4100-F-12P and EX4100-F-12T
PIC	Port Number	Port Speed Supported	Default Speed
PIC 0	Downlink ports (0 - 11)	Ports (0 - 11) are GigE ports that support 10 Mbps, 100 Mbps, and 1 Gbps speed	1 Gbps
PIC 1	VCPs ports (0 - 3)	4x10 Gbps 4x1 Gbps (This speed is supported when VCP port is converted into network port along with 10 GbE You can configure the network ports in mixed speed. For example, you can configure 2x10G on ports 0 and 1 and 2x1G on ports 2 and 3). If you convert the VCPs to network ports, ports 0 through 3 on PIC1 support 1-Gbps or 10-Gbps speed. See Virtual Chassis Ports and Network Ports.	No default value
PIC 2	Extension module ports (0 and 1)	2x100 Mbps or 1 Gbps speeds, 2.5 Gbps, 5 Gbps, and 10 Gbps speed.	10 Gbps

The 4xSFP+ ports in EX4100-F can be network ports or VCPs, but not both at the same time. See EX4100 and EX4100-F System Overview for EX4100 and EX4100-F PIC terminology.

The maximum MTU size supported on EX4100 switches is 9216 bytes. Packets above MTU+8 bytes are marked as oversized frames and the packets between MTU+4 and MTU+8 bytes with invalid errors.

Virtual Chassis Ports and Network Ports
Interface Naming Conventions

Virtual Chassis Ports and Network Ports

You can use the request virtual-chassis mode network-port command to enable network port mode, which converts the default VCPs on the switch into network ports. After executing this command, you must reboot the switch for this command to take effect.

To disable network port mode and return these ports to their default settings as VCPs, use the network-port and disable options with the request virtual-chassis mode command. You must reboot the switch for network port mode changes to take effect, so you can include the reboot option in the same command. For example:

request virtual-chassis mode network-port disable reboot

The following are some of the guidelines for configuring the VCPs:

In the EX4100 switches family, all four dedicated ports on PIC 1 are VCPs by default. You can convert the VCPs to network ports. The ports work either as VCPs or network ports, where mixed mode is not supported. On conversion of VC ports to network ports, all the ports dynamically detect the port speed.
The default speed of VCPs in EX4100-48P, EX4100-48T, EX4100-24P, EX4100-24T, EX4100-24MP, and EX4100-48MP switches is 4x25G. You can convert the VCPs of these switches to network ports that operates at the speed of 25G, 10G, and 1G. You can configure the network ports in mixed speed. For example, port 0 with 1x25G, port 1 with 1x10G, and ports 2 and 3 with 2x1G.
The default speed of VCPs in EX4100-F-48P, EX4100-F-48T, EX4100-F-24P, EX4100-F-24T, EX4100-F-12P, and EX4100-F-12T switches is 4x10G. You can convert the VCPs of EX4100-F-48P, EX4100-F-48T, EX4100-F-24P, EX4100-F-24T, EX4100-F-12P, and EX4100-F-12T switches to network ports that operates at the speed of 4x10G or 4x1G. The ports work either as VCPs or network ports, where mixed mode is not supported. But you can configure the network ports in mixed speed. For example, port 0 with 1x10G, port 2 with 1x10G, and ports 2 and 3 with 2x1G.
In the EX4100 switches family, we support 1G speed on PIC1 in network mode only and not as a virtual chassis port.

Interface Naming Conventions

Table 19: Interface Naming Formats for EX4100 Switches
Interfaces	Interfaces Naming Formats
10-Megabit Ethernet interfaces, 100-Megabit Ethernet interfaces, and 1-Gigabit Ethernet Interfaces.	ge-0/0/x
25-Gigabit Ethernet Interfaces	et-0/1/x
10-Gigabit Ethernet Interfaces	xe-0/2/x

Port Speed on EX4100-H Switches

Provides port speed, autonegotiation, and channelization information of EX4100-H switches.

To view the supported transceivers, optical interfaces, and DAC cables on EX4100-H, see Hardware Compatibility Tool (HCT).

EX4100-H-12MP includes three PICs with speeds as given below:

PIC 0 with four 2.5 Gbps and eight 1 Gbps ports (downlink ports)
PIC 1 with two 1 Gbps/10 Gbps ports
PIC 2 with two 1 Gbps/10 Gbps ports (uplink ports)

Table 1 summarizes the supported port speeds on EX4100-H switches.

Table 20: Port Speed for EX4100-H Switches
PIC	Port Number and Type of Ports	Port Speed Supported	Default Speed
PIC 0	4 RJ45 ports (0-3)	100 Mbps, 1 Gbps, and 2.5 Gbps	2.5 Gbps
PIC 0	8 RJ45 ports (4-11)	10 Mbps, 100 Mbps, and 1 Gbps	1 Gbps
PIC 1	2 SFP+ ports	1 Gbps and 10 Gbps	Depends on the plugged-in transceiver.
PIC 2	2 SFP+ ports (uplink ports)	1 Gbps and 10 Gbps	Depends on the plugged-in transceiver.

Table 21: Interface Naming Conventions
PIC	Interface Type	Interfaces
PIC 0	RJ45	mge-0/0/0 – mge-0/0/3
PIC 0	RJ45	ge-0/0/4 – ge-0/0/11
PIC 1	SFP	ge-0/1/0 – ge-0/1/1
PIC 1	SFP+	xe-0/1/0 - xe-0/1/1
PIC 2	SFP	ge-0/2/0 - ge-0/2/1
PIC 2	SFP+	xe-0/1/0 – xe-0/1/1

Follow these guidelines when you configure the port speed:

You must configure applicable speeds on mge interfaces. Unsupported speeds do not reflect on the link speed of interfaces.
Only network mode supports 1 Gbps on PIC 1. Virtual chassis (VC) mode does not support 1 Gbps.
Always enable flow control on MACsec configured ports. Packets above MTU+8 bytes are marked as oversized frames and dropped.
Supports maximum MTU size of 9216 bytes.
EX4100-H-12 MP switches do not support mixed speed aggregated Ethernet (AE) link aggregation group (LAG). You can form AE LAG only if all ports in the LAG are of the same speed. For example: ge ports, 2.5 Gbps mge ports, or xe ports.
EX4100-H-12 MP switches do not support interface hold timer in subseconds.
The mge ports in PIC 0 do not support auto-MDIX disable.
PIC 2 ports are not functional when PIC 1 operates in HiGig (HG) mode to form VC.

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