Vswitch Interface listing
Hi Community, This might sound easy for all of you but I've set my first virtual switch with a couple of EX4550s. The Virtual-switch is Up and running. I tested it and is working perfectly. However....
View ArticleHow to configure QinQ in SRX240
Hi I have an EX2200 and 2 SRX_240 interconnected. the SRX is just doing switching (mode packet-based), no security zones/policies. Network diagram attached The challenge is between the 2 SRXs is a...
View ArticleGRE tunnel on EX3300
Hi, I'm trying to establish a tunnel between an EX4550 and EX3300-24t-DC.Both were upgraded from recommended software to absolute latest level to see if problem would befixed but no difference so far....
View ArticleDiagnosing outage at same time every day
I have some instability every day at the same time, but no messaging. I have a Cisco router, but a Juniper EX4500 virtual chassis distribution (aggregation?) switch (all layer 2, no routing) and a mix...
View ArticleEX4550-32F Host 0 /var partition is full
I've got a strange problem with my EX4550 I get an error saying that the storage is full. Show system storage displays this root@ex4550-sheehan> show system...
View ArticleVirtual chassis HA not working.
Hello Community, Recently I set a Virtual chassis with a couple of EX4550. Everything worked as expected during the config. Until the testing came. So I have each one of the EX4550 connected in their...
View ArticleQFX5200 provisioning a 10G ports
We are planning to connect a QFX5200 to a MX240 10G port. So we have 2 QFX5200 each has to connect to 2 MX240 routers in two 10G ports in the router. I was told that I need to use a break out cable in...
View ArticleEX4300 Layer 2 tunneling/Q-in-Q
Trying to run a Layer 2 tunnel using Q-in-Q per the document here...https://www.juniper.net/documentation/en_US/junos14.1/topics/example/l2pt-ex-series-els.html . It says that Q-in-Q must be enabled...
View ArticlePLS HELP - no-mac-learning
Hello Guys, I need your help regarding no-mac-learning command We'd faced an isssue in our link as as result tc/udp packets were transferred however ICMP pakcets were not getting transported. We've...
View ArticleVLAN popping, pushing and/or swapping operation
Topology: Office HQ <--------> (ge-1/1/4) core1 (ge-1/1/0) <-------> (ge-1/1/0) core2 (ge-1/1/3) <---------> customer router Office HQ - VLAN 600core1.ge-1/1/4 - Outer VLAN 1,...
View ArticleUpgrading EX4200 series switch
Hi, Planning to upgrade an EX4200 series switch which is on 10.3, just to do backup trying to download the old version.But not able to find the junos version file. Any one can assist in locating where...
View ArticleResolved - EX4300 Layer 2 tunneling/Q-in-Q
Trying to run a Layer 2 tunnel using Q-in-Q per the document here...https://www.juniper.net/documentation/en_US/junos14.1/topics/example/l2pt-ex-series-els.html . It says that Q-in-Q must be enabled...
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file copy source dest; show system storage shows plenty of space; yet 'no...
Why is this thrown ? When I try to 'file copy source (ftp) dest (/var/tmp/)' yet /var/tmp has 339Mb available and the jinstall package for EX2200 is only 97Mb ? :/See attached png.
View ArticleHelp needed!!! L2circuit @ ex2200
I am about to swipe Cisco C2960 with EX2200 switch. But very new to Juniper and need a help to translate Cisco L2circuit config to Juniper EX2200. Here is the config of the port on Cisco...
View ArticleFirewall filter should not drop...but drop !
Bonjour ! I have a strange behaviour with a firewall filter on EX4300. This firewall filter is configured on the loopback interface. The switch, which is also playing a router function (inter-vlan and...
View ArticleMC-LAG from LAG without traffic loss
Hi all,I need help with one question. I need to replace a QFX5100 with a EX4600 with minimum traffic loss.I have some LAGs (ae) on QFX5100.Can I create a MC-LAG between switches from my active LAG...
View ArticleMap 2 QinQ interfaces together with different outer VLAN IDs
Hi, On interface A QinQ is configured like this:vlan-tags outer 0x8100.1 inner 0x8100.600On interface B QinQ is configured like this:vlan-tags outer 0x8100.336 inner 0x8100.600these interfaces are in a...
View ArticleEX2200 - Junos 15.1R5 - broken Temperature Sensors
Hi, it seems there is something broken in Junos 15.1R5 with one of the temp sensors: root@switch> show chassis environment Class Item Status Measurement Power FPC 0 Power Supply 0 OK Temp FPC 0...
View ArticleDOT1x stopped working after Junos upgrade ex2200
This happened after we put new code on, from version 12.3R12.4 to 14.1X53-D40.8 cannot figure this out i can ping the NAC device from the switch, I looked in the nac and everything accpets until the...
View Articleex3400 show route output
when I run show route I always get output where the route has a time of 00:00:00 listed. Is there a reason for this? The adjacency is stable: x.x.x.x/x *[OSPF/10] 00:00:00, metric 300> to x.x.x.x...
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