Chassis
hello everyone, I need help. I am new in Juniper environment. In the basement, I have a stack of 5 Junipers stackup, the master is EX4500 and other 4 are EX4200 and they are interconnecting to 3rd...
View ArticleQFX 5100 l2-learning subsystem is not running
Hello,I have 2 QFX 5100 in virtual chassis modeI don't know why but now i can not add more and when i try to show the vlan i have this error:show vlanserror: the l2-learning subsystem is not running I...
View ArticleVirtual Chass - vme0 down despite em0 interface up.
Hi all, I have 2 x qfx5100-48s-6q. Individually, i have configured its em0.0 port for management purpose and assigned an ip to each of the switch.During the virtual-chass pre-provisioned setup, i have...
View ArticleEX3400 packet capture for specific port?
At a remote location we're having some trouble with a vendor's equipment, so I need to do a packet capture on several specific ports on an EX3400 to troubleshoot the cause. I tried "monitor traffic",...
View ArticleRunning MPLS over GRE on the QFX5100
I am trying to setup MPLS over a GRE tunnel on the QFX5100, has anyone been able to work around it?Thanks
View ArticleEX4300 Virtual Chassis Mode
Hello, I'm having a difficult time figuring out how to disable virtual chassis mode on the EX4300. I've already deleted all the VCP's by doing 'request virtual-chassis vc-port delete pic-slot 1 port...
View Article4300-MP resources given to Junos
Just asking. What if any limites dose the 4300-MP hypervisor limit to the Junos instance ?I see the box has 8 gig ram and the Junos 18. instance shows it is given 4gig . So what else is limited ?Just...
View Article4300- MP upgrade output meaning
What do these lines mean ? The items in BOLD are posted to the screen when doing an upgrade.============================================Current Host kernel version : 3.14.52-rt50-WR7.0.0.9_ovp The...
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EX DDOS explanation
Would anyone be able to direct me to any detailed docs to read up on the system ddos-protection stuff ?Right now im looking for EX platform stuff but will soon be needing this for QFX (and MX if i...
View ArticleSFP-T in EX2300 on 18.4R1
I have problem with SFP-T modules in EX2300 uplink ports.They are properly detected in chassis hardware with a name and s/n but the logical link is down so I can't pass any traffic throught it.Weird...
View ArticleSTP BPDU filtering with l2 firewall filter
Hi All,Thank you for taking the time to read my question.I have a spanning-tree free core network of 4 location/devices (EX92x + MX) which is running MPLS+EVPN. This pretty much functions as a dumb...
View ArticleEX4500
I need help. I am new in Juniper environment. In the basement, I have a stack of 5 Junipers stackup, the master is EX4500 and other 4 are EX4200 and they are interconnecting to 3rd floor (stack up of...
View ArticlePossible to have multiple vme interfaces?
Hi guys, I have an EX4200-48T VC with 4 members. The vme.0 is already configured and working. Now I need another management interface and I was thinking If i could configure another vme interface (e.g...
View ArticleCommit synchronise not needed in Virtual chassis ?
Hi everybody,I noticed when when i do commit on master switch in Virtual-chassis, commit is also performed on all members switches without requring "commit synchronise" or set system commit...
View ArticleVirtual Chassis Monitoring
I'd like to be informed if a member of a VC goes away (EX4300 or 4600). I was looking a while back and remember finding an SNMP trap that was related, but am having trouble finding the information...
View Articleset protocols rstp interface ge-x/x/x edge
I do not trully understand the impact of the "protocols rstp interface ge-x/x/x edge" statement. J-TechLibrary mentions:For Rapid Spanning Tree Protocol (RSTP), VLAN Spanning Tree Protocol (VSTP), or...
View ArticleRoCE/DCB/PFC/ETS sample config für QFX5100
Hi experts, I‘m looking for a sample config for RoCE/RDMA on QFX.Peer is Win2016 with Hyper-V.There are bunches of config in the wild for other vendors boxes (C,HP,Dell...) , but almost nothing for...
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Daisy Chaining EX-series switches
I was asked what I think about the proposal to link one EX series switch with 6x 1 Gbps CAT6 copper interfaces in a 802.1ad link aggregation group to another existing EX access switch Virtual Chassis...
View ArticleQ in VNI and overlapping vlans in a evpn/vxlan ip fabric - is this...
Hello, we have bought a few QFX5120 switches, Our company is going to offer colocation in our new datacenter, and I intend to use evpn with vxlan in this setup.I will not route any customer traffic on...
View Articlemigration ex switches
Hi All,There is a high number(600) of locations to replace the new VC EX that consist of a few members. In order to make sure new change doesn't break any part of the network infrastructure, what...
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