Quantcast
Channel: Ethernet Switching topics
Browsing all 2326 articles
Browse latest View live

Config change

How would I go about undoing this change? [edit ethernet-switching-options analyzer VOIP] 'output' Analyzer output interface ge-3/0/47.0 should not be added to any VLANerror: configuration check-out...

View Article


Spanning Tree on ELS EX switches

Hi, I have been testing the "bpdu-block-on-edge" command on an EX3400 on 15.1X53-D56. I have noticed that the recovery timeout appears to now be configured on the interface rather than globally. When I...

View Article


IP source guard on ELS EX3400

The below link states that IP Source guard is supported on EX switches with ELS. https://www.juniper.net/documentation/en_US/junos/topics/task/configuration/port-security-ip-source-guard-cli-els.html...

View Article

Juniper noob question

I'm trying to enable "forwarding- options dhcp-relay" but keep getting an error when I try to enable dhcp on my me0 interface. I would think since the management interface is out of band it whouldn't...

View Article

Image may be NSFW.
Clik here to view.

Alternatives for ring topology - EX3400/EX4600

Hi. I'm planning to setup a network in one of our locations based on a number of VCs that due to physical limitations have to be connected togetter in a ring topology. I have been searching for a while...

View Article


QSFP28 DAC cables causing packet loss and framing issues

So the systems I am using are MX960 MPC7e. When I use the 1meter 100G DAC I have zero errors + zero packet loss. When I use the 3meter 100G DAC cables I have packet loss & framing errors.  I tried...

View Article

Remove interface from range

I need to change an interface from a trunk to an access port. Here's the current config: interface-range wireless-ap-ports { member-range ge-4/0/36 to ge-4/0/47; unit 0 { family ethernet-switching {...

View Article

MCLAG Question

Hi there,I have two QFX10K, connected between them with2x40 for ICCP connectivity - ae0 Layer32x100 for ICL connectivity - ae1 as trunkThe MC-AE's interfaces connected to 2 QFX5Kthe iccp is up, the...

View Article


Uplink from EX3300 VC to EX2300-C not passing traffic for Default Vlan (1)

I need your help. Attached are configuration files for the EX3300 and EX2300 switches. I have setup a 20GB uplink from the EX3300 VC to the EX2300 switch using a link aggregation interface. The LACP on...

View Article


EX-2300 15.1X53-D56 DHCP snooping untrust on trunk

Hi Guys I seems to have a big problem with configuring trunks as untrusted interfaces. I can not find the way to override a default configuration of DHCP trust on trunk ports. Can you please help....

View Article

EX2300-C 12P - Temperature is extremely hot on this unit. What is a safe...

I have the EX2300-C 12P unit runing JUNOS image 15.1X53-D56. The two 10G ports are being used as an uplink to my EX3300 switch. The management port is being used as well as the first 3 ports on the...

View Article

EX2300-C can't load 'kernel'

*****can't load 'kernel' Type '?' for a list of commands, 'help' for more detailed help.loader> *****My EX's are in this state and none of the online recovery methods are working.  I can get to...

View Article

EX - QinQ on trunk interface

Hello All, I hope you are doing well. I have a question regarding Juniper EX4200.  I have an EX4200 with two port-mode trunk interfaces:- one facing the customer where I receive many different vlans...

View Article


Copper SFP transceivers (1000BASE-T) Fail Auto-Negotiation on EX4600 VC

I've been confounded by a problem I ran into when I tried to implement LAG between an EX4600 2-member virtual chassis and a Cisco ASA 5525-X (LACP active). I am looking for an explanation of the...

View Article

EX series isolate vlan members with voip.

Hello, First i will summarize the network.  We got a new client (hospital) with juniper hardware. Our company has little experience with Juniper so i got the job to figure it out and find solutions....

View Article


Multicast VLAN registration (MVR) Config on EX4300

Hello All, Greetings of the Day!!!! Request you to please help me out with implementation of MVR on EX4300. A sample config template will be great if you share.

View Article

Mix Speeds on ae interface

I'd like to temporarily mix 10Gb and 40Gb interfaces on an ae interface during an upgrade--can I safely do this? What do I set  link-speed to? --Paul

View Article


When Traffic Class not mapped to egress queue but class defined under classifier

Hi everybody, Please consider the following set up: Let say if we have classifier JOJO on EX 4300010000—Class B011000-Class C Forwarding class mapping:Class C---Queue1This classifier applies to ge...

View Article

EX3400 dhcp-security

I have the command "set vlan UserData forwarding-options dhcp-security" on an EX3400 switch, what is this specificly doing for the UserData vlan?

View Article

VRRP Subsystem Not Running - 2x EX2200-C

Hi all,  I've set up two EX2200s with VRRP between them. However I'm getting the following message on both devices: root@EX1> show vrrp warning: vrrp subsystem not running - not needed by...

View Article
Browsing all 2326 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>