Mirror port on Ex9214 not working
I tried to setup a mirror port on my EX9214 but it fail, the state always show "Down"I follow instruction given in this page https://kb.juniper.net/InfoCenter/index?page=content&id=KB28604is there...
View ArticleWhat is the number of QSFP+ build in EX4300MP?
Dear JuniperWhat is the number of QSFP+ build in EX4300MP?. Information in datasheet and 4300 hardware guide is not equal.
View ArticleGRES on EX9208
Hi Can I enable GRES for OSPF, BGP and IS-IS for uninterrupt packet forwarding? In case of 1. One EX9208, Two REs installed on same device and one of them failed 2. Two EX9208, Two REs installed on...
View ArticleBug report - 15.1X53-D58/18.4R1.8 - EX2300-C/EX3400 - RSTP interface mode...
Don't have an active contract - just sharing as this may help someone. Starting from 15.1X53-D58, there's undocumented change in RSTP protocol behavior with the following configuration:(instead of ae0...
View ArticleAggregation Link EX2200
Dears,I'm configured lacp between two witches EX2200, but when check just one port working.NOTE: Link between two switches is Microwave-Link.Speed ae0 interface just 1gig, and one link working,not both...
View ArticlePolicing multiple instances at layer 2 of the same VLAN.
We have a scenario where we have a customer prem switch say in an MDU with multiple tennants. Many of them order metro internet service. This service is delivered across our network on a specific...
View ArticleQFX-5200 Mac learning issue
we had the server ports set up as MC-LAG at first, but the server team change to SET teaming in the server and that does not do LACP QFX-a and are connect with AE256 for iccp and icl (ports 30 and 31...
View Articleex2200 radius end 2 voip
Please help, I try to deploy a radius on ex2200, but there was a problem if there are two IP phones connected to the port, then one of these phones is fading. Only one mac address is visible on the...
View ArticleDHCP relay on EX4300
Hi I 've configured DHCP relay on EX4300 but DHCP message is not be forwarded to DHCP server. Here is my configuration. set forwarding-options dhcp-relay server-group CP 10.1.2.99set forwarding-options...
View ArticleVLAN on EX Series switches
Hello, I have a question regarding configuring two EX-Series switches with vlans. One is a EX2300-C, the other is a EX2200-CI have used the following instructions:...
View Articlesily question for DHCP static IP EX 4300
So the DHCP is set for VOIP vlan: access { address-assignment { pool VOIP_Phones { family inet { network 192.168.111.0/24; range voip-range { low 192.168.111.21; high 192.168.111.254; } dhcp-attributes...
View ArticleRequired Latency of EX2300-48MP
I have tried to get the latency for the switch EX2300-48MP, but I couldn’t locate the same. From where do I can see the switch assessment for Juniper EX2300-48MP switch (latency and its tolerance)
View ArticleEX/QFX transit pcap
Hello all Can anyone tell me what are the options for getting a packet capture of transit traffic on EX and QFX? Many thanks Daniel
View ArticleDebug Log on ex4200-24t : No dependency for this ifl
Hi Community, I have this log on our ex4200-24t switch, and I have no idea what it mean or how to clear it. ifl_pfestat_add_async_sync_dependency: No dependency for this ifl your help and feedback is...
View ArticleJuniper EX4300 VC with EX4600, Auto Negotiate not working
We have had an EX4300 VC with three switches for a while all running JUNOS 14.1X53-D42.3. an EX4600 Fiber switch was adeed (run JUNOS 14.1X53-D42.3) as well. Ever since we added the EX4600 auto...
View ArticleEX4300 / MAC limiting SNMP trap
I have the following device and configuration:Model: ex4300-32fJunos: 17.3R3.10 # show groups GLOBAL-SNMP {snmp {client-list MANAGERS {10.8.9.0/28;}community TEST-COMMUNITY {authorization...
View ArticleHardware switching and Process switching on EX switches
Hi everyone. Please consider the following scenarios: 1) Let say Ex 4200 Switch operating as layer 2, receives unknown Unicast destination MAC, will EX switch use harware switching to forward it ?2)...
View ArticleQFX5120 recommended software
Hi there, I can't find a recommeded software version for the qfx5120.It's not listed in https://kb.juniper.net/InfoCenter/index?page=content&id=KB21476Am I looking at the wrong place or why is...
View ArticleMAC Limit for all interfaces for EX3400 (ELS Style)
Hi guys, On EX3300, I was able to limit the mac using:set ethernet-switching-options secure-access-port interface all mac-limit 5However, now I am using EX3400 and found that there is no such one...
View ArticleEX 4200 10G interface speed issue
I am running Iperf between 2 servers conneted to EX 4200 via 10G DAC and i am only able to receive speed of upto 4.0Gbps any reason why i am not able to achive near desired speeds? Here's the iperf...
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