Packet monitoring from two interface simultaneously
https://www.juniper.net/documentation/en_US/junos/topics/reference/command-summary/monitor-traffic.htmlI would like to monitor packets from two ethernet interface. Is it possible to monitor packets...
View ArticleL2PT off an MX480 (Confirming if LACP is a supported layer2-protocol)
Hey all, We're having an issue with a customer's transport circuit blocking LACP. Originally, we had this topology: Cisco ME (CE)<>EX2300 (PE-L2PT tunneling...
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QFX5100 VXLAN Multi-Tenant Compute Nodes
Greetings Members: I am trying to figure out how to implement the below (what I thought would be simple) topology.I've been reading a ton of documentation and examples on the Internet but can't seem to...
View ArticleHelp with SRX345 to EX3400 trunk port config
Hello We are trying to configure our network with an srx345 firewalll and a ex3400 switch. I am trying to connect them together with a trunk port and pass dhcp & vlan through.the two are not...
View ArticleConnecting MX104 to a TRUNK port of EX4300
Hello Team, I'm trying to connect a MX104 on a trunk Port of a EX4300.MX104 config part :description "VERS SW "; vlan-tagging; aggregated-ether-options { link-speed 1g; lacp { active; periodic fast; }...
View ArticleEX-4200 firewall filter/rate limiter
On EX-4200 I can successfully rate-limit/police ingress and egress on a routed port with below config: Firewall filter:set firewall family inet filter RATE_LIMIT_25M term default_rate then policer...
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Having issues setting up CCM/CFM between ACX and Accedian devices
Hello everyone,I was wondering if anyone could help me figure out whats missing in my configuration. I am trying to setup a monitoring using CFM between a MX and LTS device from "Accedian" over a...
View ArticleQFX-5100 VXLAN
I am following this document and using QFX5100 and EX4200 as per instruction: https://kb.juniper.net/InfoCenter/index?page=content&id=KB30315&cat=QFX_SERIES&actp=LIST and as step through...
View ArticleWhy DHCP relay packets dropped?
Hello guys!Please tell me who faced this problem below in log dhcp_logfile on Juniper EX4600, periodically there is such an error in the dhcp relay service:[ERROR] jdhcpd_security_packet_handle:...
View ArticleExperiencing high latency for 2.5Gbps port than 1Gbps ports of EX2300-48MP!!!
I am planning to use an EX2300-48MP switch in a low latency required UDP multicast network. The UDP network transmitter and receiver are VME board computers(SBCs) and it has 1GbE Ethernet interface.I...
View Articleinterface-mac-limit does not work in 18.4R1?
Hello!On our QFX5100 boxes we're using the following SP-style configuration to limit max. MAC addresses on interface:minotaur@asw1-sp.ki# show vlans PUBLIC switch-options interface xe-0/0/0.777...
View Articlejddosd warning on multiple fpc(s)
Hi all,When looking at the following errors on EX switches in VC, is about TTL, L3MTU and IPMCAST. These messages are time-to-time have been generating... What troublesthooting approach should be taken...
View Article2.5 GB port with EX2300 & EX3400 & EX 4300
Experts, Having Aerohive 650 & 650X I wonder if I have a chance to get speed of these ports to 2.5GB - what latest software support that? Aerohive 650 supports 1 & 2.5 GB uplink port. Thank you,
View ArticleCant ping devices in same VLAN
Not sure if I am missing something, but I am unable to ping device in the same subnet/VLAN except for the gateway which is an ASA. Any config on the EX that is cause this behaviour? EMOH-EXPR1M3>...
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EX2300-48P POE MODE Issue
Hello,I would like to know if it is possible to change the POE Mode on my juniper switch EX2300-48P from 802.3at to 802.3af. I am trying to configure an access point which supports only 802.3af.From...
View ArticleMSTP acting different on the EX4300
NOTE: I came across this issue at my work, and have since built a small lab to isolate the problem. Hi everyone!I have three EX4200s (We'll call them A, B, C) running 12.3R12.4 with basically a stock...
View Articlelog messages on fpc linecards
Hi all,There are following log messages ongoing on various fpc linecards. Some of them are below.fpc5 ppe_img_ucode_redistribute Failed to evict needed instr to GUMEM - 14 leftfpc0...
View ArticleTCAM usage on EX4600
Can someone explain to me tcam usage on the EX4600 platform? I understand that the available tcam space is split between egress and ingress and how to calculate how much tcam space a particular filter...
View ArticleSflow not working in Ex8208 VC mode
Dear Team, I have two EX8208 switches (version:12.2R2.4) in VC mode and configured sflow on it. My sflow collector is connected to Ex8208 through Ex3300.Sflow collector ----->(ge-0/0/1) Ex3300 (ae0)...
View ArticleEX4600-EM-8F breaks J-Web?
I just got a pair of EX4600 switches with one EX4600-EM-8F module each. On every JunOS version that I've tried - 19.1R1.6, 18.4R1.8, 18.3R1.9, 18.1R2.6, 14.1X53-D49.1 - inserting the EX4600-EM-8F...
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