Re: L2PT on QFX5100 and EX4300
Hi buke, L2PT is not supported on QFX5100. There you need til ACX5000 series to handle this. Regarding EX4300 it should be supported when looking in the feature explorer for L2PT:...
View ArticleEX4600 multicast arp not working
Hello,we are in process of migration from 4 x EX4500 in VSS to 4x EX4600 in VSS, on ex4500 we are using multicast arp record for microsoft nlb VIP and it is working perfectly for many years. On ex4600...
View ArticleEX4600 dscp marking
I need to set the dscp values on incoming packets from the hosts based on the ip address and pass it onto the upstream router (Cisco router) where the port is trusted. Iam using firewall filter with...
View ArticleRe: EX4600 multicast arp not working
I'm guessing this:https://kb.juniper.net/InfoCenter/index?page=content&id=KB30135&pmv=print&actp=LISTEx4600 isn't explicitly listed but since it's the same chipset it's likely also an issue...
View ArticleVLAN membership MAC limit
Colleagues,Can you please help me understand what is VLAN membership MAC limit for? When would I use it in real world? For voice vlans to set different data and voice MAC limits? A quote from EX...
View ArticleRe: VLAN membership MAC limit
HI Sir Hope these 2 documents helps https://www.juniper.net/documentation/en_US/junos12.1x44/topics/concept/layer-2-mac-limit-port-security-understanding.html...
View ArticleRe: EX4600 multicast arp not working
HI Can you also check the behaviour with and without igmp-snooping? The config seems to be correct. ThanksPartha
View ArticleRe: L2PT on QFX5100 and EX4300
HI Jonas For one of the cases where we had to transport LACP packets which we could not do through QinQ we did it through pseudowire. Config Example. LACP packets----xe-0/0/10--->...
View ArticleRe: Can not configure Vlan on ex2200
HI If you just want the switch to be L2 and route the packets on the router. Configure only vlans and ports on the switch. On the router facing port configure the port as trunk with vlan all. Router...
View ArticleRe: Can not configure Vlan on ex2200
HI Can you check this doc https://kb.juniper.net/InfoCenter/index?page=content&id=KB26735 Another example REWRITE-RULESConfiguration:set class-of-service rewrite-rules dscp VOICE-DSCP-REWRITE...
View ArticleRe: EX4600 dscp marking
REWRITE-RULESConfiguration:set class-of-service rewrite-rules dscp VOICE-DSCP-REWRITE import defaultset class-of-service rewrite-rules dscp VOICE-DSCP-REWRITE forwarding-class VOICE-EF-CLASS...
View ArticleRe: EX4300 error
The below log messages are printed whenever PFE receives a message from RE to create a new mc-idx in HW. pfex: %USER-3: PFE-BCM-L2,pfe_bcm_multicast_hw_create(),79:sw_mc_idx: 0x1, bcm_mc_idx:0x2000001...
View ArticleRe: QFX3500 Configure Management Port but not me0
HI The interface can either be in L2 "ethernet-switching" mode or L3 "inet" mode. By default all ports are in ethernet-witching mode so you may want to delete that and add the new configs. You can also...
View ArticleRe: Issue on QFX VCF with D40
HI Marco I have seen some internal mails regarding these messages, I dont think they are harmful. Do you see this with igmp-snooping enabled and some igmp packets coming in? OR Do you see this when...
View ArticleRe: 802.1x broken in Junos 15.1R5.5
HI If its core dump that you are seeing for every subsequent access request "authd core" there is already a known issue for the same. Please attach the PCAP here, we will be able to confirm the same....
View ArticleRe: DHCP Snooping Binding on EX8208
Someone managed to get DHCP Snooping Bindings work on the EX8208 ?!
View ArticleFalse fan LED status on QFX5200?
I just got a new QFX5200 a couple of days ago. When I inspected the unit recently, I noticed that the LEDs for fan trays 0,1 and 4 were blinking amber. When I wanted to check out the problem on the...
View ArticleRe: VLAN membership MAC limit
Typically the limit is setup to prevent users from adding another switch to an access end user port and a large number of devices. Or using the port for a mac flood attack.
View ArticleRe: False fan LED status on QFX5200?
Hello, Can you try to reset FANs with Amber LEDs? https://www.juniper.net/techpubs/en_US/release-independent/junos/topics/reference/general/fan-module-qfx5200-leds.html Fan Amber Blinking:- An error...
View ArticleRe: VLAN membership MAC limit
Thanks guys for the answers. I should be more precise. I understand the concept of MAC limiting. I'm just not sure about this single case where along interface name and MAC limit you also specify a...
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