Name: Juniper EX3300
Brand: Juniper
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2. Use the ping command from a device on one subnet to an address on another subnet

to determine whether packets were transmitted correctly on the subinterface VLANs:

user@switch> ping ip-address

PING 1.1.1.1 (1.1.1.1): 56 data bytes

64 bytes from 1.1.1.1: icmp_seq=0 ttl=64 time=0.157 ms

64 bytes from 1.1.1.1: icmp_seq=1 ttl=64 time=0.238 ms

64 bytes from 1.1.1.1: icmp_seq=2 ttl=64 time=0.255 ms

64 bytes from 1.1.1.1: icmp_seq=3 ttl=64 time=0.128 ms

--- 1.1.1.1 ping statistics ---

4 packets transmitted, 4 packets received, 0% packet loss

Meaning The output confirms that the subinterfaces are created and the links are up.

Documentation

Configuring a Layer 3 Subinterface (CLI Procedure) on page 97•

• Example: Configuring Layer 3 Subinterfaces for a Distribution Switch and an Access

Switch

Verifying Unicast RPF Status

Purpose Verify that unicast reverse-path forwarding (RPF) is enabled and is working on the

interface.

Action Use one of the show interfaces interface-name commands with either the extensive or

detail options to verify that unicast RPF is enabled and working on the switch. The

following example displays output from the show interfaces ge- extensive command.

user@switch> show interfaces ge-1/0/10 extensive

Physical interface: ge-1/0/10, Enabled, Physical link is Down

Interface index: 139, SNMP ifIndex: 58, Generation: 140

Link-level type: Ethernet, MTU: 1514, Speed: Auto, MAC-REWRITE Error: None,

Loopback: Disabled, Source filtering: Disabled, Flow control: Enabled,

Auto-negotiation: Enabled, Remote fault: Online

Device flags : Present Running

Interface flags: Hardware-Down SNMP-Traps Internal: 0x0

Link flags : None

CoS queues : 8 supported, 8 maximum usable queues

Hold-times : Up 0 ms, Down 0 ms

Current address: 00:19:e2:50:95:ab, Hardware address: 00:19:e2:50:95:ab

Last flapped : Never

Statistics last cleared: Never

Traffic statistics:

Input bytes : 0 0 bps

Output bytes : 0 0 bps

Input packets: 0 0 pps

Output packets: 0 0 pps

IPv6 transit statistics:

Input bytes : 0

Output bytes : 0

Input packets: 0

Output packets: 0

Input errors:

Errors: 0, Drops: 0, Framing errors: 0, Runts: 0, Policed discards: 0,

Chapter 4: Routine Monitoring

Juniper EX3300 Specifications

General

Ethernet LAN	Yes
Authentication method	RADIUS, TACACS+
Connectivity technology	Wired
Ethernet interface type	Gigabit Ethernet
Number of VLANs	4096
Networking standards	IEEE 802.1ab, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.1x, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.3x, IEEE 802.3z
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Copper ethernet cabling technology	1000BASE-T, 100BASE-TX, 10BASE-T
Console port	-
ExpressCard slot	No
Fiber ports quantity	4
USB 2.0 ports quantity	0
Basic switching RJ-45 Ethernet ports quantity	48
Throughput	130 Mpps
Number of queues	8
MAC address table	16000 entries
Maximum data transfer rate	176 Gbit/s
Supported data transfer rates	10, 100, 1000Mbps
Switch type	Managed
Switch layer	L2
Security algorithms	SSH-2
Power source	AC
AC input voltage	100 - 240 V
Power consumption (typical)	100 W
Form factor	1U
Product color	Black
Flash memory	1024 MB
Processor frequency	1000 MHz
Compatible operating systems	Junos
Operating altitude	0 - 3049 m
Non-operating altitude	0 - 4877 m
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Storage relative humidity (H-H)	0 - 95 %
Operating relative humidity (H-H)	10 - 85 %
Supported network protocols	IPv6