Virtual chassis member replace
Hi,We have replace the virtual chassis member fpc1 with similar junos version and correct cable connection and reboot the VC but still FPC1 status is --> Not present. The FPC1 serial no. showing in...
View ArticleIRB and VRRP on QFX10ks MC-LAG
Hi Everyone,Im working on a set of QFX 10008s running VRRP over IRB interfaces to provide a gateway for the connected Vlans. We have an issue where some random traffic is getting dropped. While...
View ArticleShow version command show two junos vesion in one ex2300 switch
Hi, After upgrading to the new stable version, one of the switches in ex2300 virtual chassis show two Junos version and one is shown as pending. what would be the real...
View ArticleEX4300 QinQ Trunk Port's
Attempting to setup and test for upcoming solution we will implement to pass customer traffic between EX4300 switches.I have two switches virtual stacked on either side of the link. The EX4300 connect...
View ArticleEX2300 Virtual Chassis - NotPrsnt
Hello, I have Virtual Chassis with two members - master and backup. Yesterday the backup member stopped working - with status NotPrsnt. I tried to connect to the backup switch by console cable, but the...
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MTU issue from VXLAN/EVPN to legacy network via VC
Anyone could share a hint on this? I had a direct L2 connection between legacy L2-only network and an EVPN VXLAN based newer implementation, described in the drawing below. Everything was working fine...
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RTG and STP
Hi There, My question is a basic one: RSTP Instance 1 (Blu): RTG is configured so RSTP disabled for RTG links.What about the BPDU coming from RSTP Instance 2 (yellow) fro example switch2?Is the switch1...
View ArticlePreferred way to stack EX 3400 switches
This may be a newbie type question, but we are moving from EX 3300s to 3400s for our access switches in one of our buildings, and I was wondering about the prefferd way to stack (VC) these. The 3400s...
View ArticleEX4300 SFPs
Does anyone know if the EX-SFP-1GE-SX SFP will also support 100MB on the EX4300 ?
View ArticleEX 4600 Making port only transmit
Hi everyone,Please consider the following example:Traffic -g0/0/1- EXSW-ge0/0/2---IDSAbove we are port mirroring all traffic entering/exiting ge0/0/1 and sending output to ge0/0/2 where IDS is...
View ArticleAdv 1 vs Adv 2 Licensing
Does anyone know if the adv 2 license is inclusive of adv 1 features, or must they be bought together? For example: S-QFX5K-C2-A1-3: QFX5120 Advanced 1 (OSPF/BGP/ISIS/MC-LAG), three-year term license...
View ArticleDhcp relay and broadcast dhcp-offer on ex4600
Hi.We have a ex4600-vc that at the moment is running 17.3R3.10. We have this configured as a DHCP relay, and for the most part this works as expected. But we have a network with devices that requires...
View ArticleQoS choppy sound when uses CIsco SIP conference phone
Experts, We do have Cisco 7911 and QoS set up on Juniper infrastructure so no problems so far on these devices. However, we don have few cisco 8831 which is SIP phone and from time to time I get...
View ArticleJuniper training simulator?
HI, I come from the Cisco envinronment and I need a simulator like Packet Tracer (in the Cisco world) to work and train w/ Juniper devices. What did the Juniper pros using to train? Thank you very...
View ArticleIssues with sFlow on QFX10002-36Q
Hi guys! has someone faced the issues with sFlow samples sending? Everything worked fine until we'd moved one of our upstreams (SFP+ and optical cable) from Cisco NEXUS 3000 switch to the Juniper...
View ArticleNormally Juniper EX/QFX L2/L3 Switch does not send fragmented packet?
Dear all,I think normally Switch doest not support to transfer fragmented packet but Router can be possibleIs it corret? however if the switch can support jumbo frame configuring mtu value, then it...
View ArticleSeeing CRC and BER errors on my QFX10008
Hi all, On one of my QFX10008, I am seeing CRC and BER errors like below:Feb 20 20:55:41.907 ablab.czk-re0 fpc4 CCL: 1 CRC errors seen on link PE2-Avg-28nm-link-9-17 Feb 21 03:04:03.213 ablab.czk-re0...
View ArticleEX4300 - Virtual Chassis - Master needs to be re-installed
Hi all, we have a Virtual-Chassis containing 3 EX4300 (no mixed, no multi-gigabit) connected by the QSFP-Ports.The Virtual-Chassis is preprovisioned. The QSFP-Ports are in default-state, which mean...
View ArticleEX4300 CoS re-write on egress ae logical units with QinQ
Attempting to inherit or even manually remark packets outgoing on ae1.20.If I send packets through with differing priority it only gets put out as a best effort marking in the outer tag applied for...
View ArticleHelp setting up EX2200-C and SRX210 to test VLAN Translation
Hi everyone, I want to set up my EX2200-C and SRX210 to test VLAN translation. I was told that i need to set up the SRX210 as a Router on a stick (2 routing instances on one interface) and then have 2...
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