Re: Connecting Cisco4900M with VC 4300 EX no luck
i am giving up on the Mallenox MC3309130-001 copper cables. I used on both sides Cisco SFP-10GB-sR and single mode fiber - works like charm. Even using juniper EX-SFP-10GE-LRM-OEM on both sides and...
View ArticleRe: Airtame - SSDP Across VLANs
The TTL on the device is 1 and we have no control over it (it's a 3rd party device). I will check with one of engineers if this exact configuration was tried, but I know we tried dense mode and...
View ArticleUpgrading to Junos 15.1 on EX4200 - some observations
We have recently upgraded a bunch of EX4200 switches to Junos 15.1R5.5. Everything is working fine but we’ve made a couple of observations. First, the root (/) partition is getting quite low on free...
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Re: Upgrading to Junos 15.1 on EX4200 - some observations
Hi, Good observations indeed The increase in size could be because of the change in the size of Junos image itself. The message you are getting was added in newer versions due to some software...
View ArticleRe: Upgrading to Junos 15.1 on EX4200 - some observations
Thanks for the info regarding snapshots. Good to know. I hope Juniper will be able to reduce the size of the Junos image in future releases. Having the root partition at 93% is a bit too much IMHO (and...
View ArticleRe: Airtame - SSDP Across VLANs
Hello,IP packets with TTL==1 are not forwarded. Multcast or unicast, does not matter.You might get away with it by using L2 port-mirroring a.k.a "analyzer" feature on Your EX but the "analyzer" output...
View ArticleEX - Zero Touch using USB, how?
I know what is needed to make ZTP wotk with a FTP server, but I was told, we could also send a USB with the switch.This USB, would have the image, and the config on it, we plug into the switch, and...
View ArticleRe: 802.1x broken in Junos 15.1R5.5
We will start another field test soon and upload a log file.
View ArticleFinding incomplete ARP entries
Hi, "show arp" doesn't seem to list "incomplete" ARP entries - that is, actually saying that it couldn't find the MAC address for a given IP. This is contrary to the normal "arp" command in Linux and...
View ArticleRe: VXLAN/EVPN Data Center Interconnect
I've solved the problem (communities were incorrect), so now I can confirm that EVPN VXLAN with EVPN over MPLS as DCI technology works fine on MX series (L2/L3 VXLAN Gateway) and QFX5100 (L2 VXLAN...
View ArticleRe: ELS and QinQ and Layer 2 Protocol Tunneling
I'm also fighting a similar issue on the EX2300 using the ELS software. I have a Cisco ME3400G-2CS on my far end in my lab. I have the dot1q tunnel up finally, but can't get the layer2 protocols to...
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vQFX10k 15.1X53-D60 BGP (EVPN and route target) BUG
Hi !As the vQFX is not officially supported here is no other way like j-TAC to inform about bugs Here is a nice bug I have found during my extensive testing of various DC-configurations : Description:...
View ArticleEX4600 working with EX-QSFP-40GE-DAC-50CM ?
Hello! Whether prompt the cableEX-QSFP-40GE-DAC-50CM - QSFP+ to QSFP+ 40 Gigabit Ethernet Direct Attach Copper (twinax copper cable) 50cm Passivewill work with the switch - EX4600-40F-AFO ? Because...
View ArticleDedicated Management Switch and EX4200 virtual-chassis
Hello All, I could really use some help. I'm attempting to correctly deploy a dedicated management network for our Juniper switches. To do this I've configured a single, stand-alone Juniper EX4200 as...
View ArticleRe: EX4600 working with EX-QSFP-40GE-DAC-50CM ?
"Official" Answer is no, but I do not understand, why not -;( To find answers of this type (supported optics/cables/etc.) use: 1. Go to Juniper Support - https://www.juniper.net/customers/support/2....
View ArticleEX4300 Virtual Chassis to POE 4300 not working
Can someone tell me why i cant get an ex 4300 non poe and poe switch to properly virtual chassis? I have another vc that works with two 4300's and the same cabling that i have with my new vc. They are...
View ArticleRe: EX4300 Virtual Chassis to POE 4300 not working
What interfaces are you forming the VC through, and what is the output of 'show virtual-chassis vc-port all-members' from each switch?
View ArticleRe: ELS and QinQ and Layer 2 Protocol Tunneling
In case it helps anyone here. On my open ticket with JTAC I'm getting you may not be able to do Layer 2 protocol tunneling on an ELS device, to a non-ELS device such as a EX3300, EX4200, or Cisco...
View ArticleRe: MC LAG ex4600 - Setup problems
Hi Just to let you know that I gave up on the mc-lag setup on this platform for this code release.I had Juniper docs for this and went through it dozens of times. nothing looked out of place. As this...
View ArticleRe: EX4300 PVLAN propagation
Hi //Internal Private VLANISOLATED_PWR_MON { vlan-id 3123; private-vlan isolated; }//Primary VLAN with Private VLAN associated? DC_OPS_PWR_MON { description "DC Power Monitoring"; vlan-id 123;...
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