Firewall filter to accept traffic from tcp, udp except destined for ssh/telnet
Hey allI need to configure firewall filter to accept traffic from a customized range of TCP/UDP ports except destined to port ssh/telnet from source 192.168.1.0/25.How do I define customised range...
View ArticleRe: Does JUNOS 11.4R7.5 support sflow?
Hi Folks,As per feature-explorer i do find it is supported https://pathfinder.juniper.net/feature-explorer/feature-info.html?fKey=1314&fn=sFlow%20technologyThis feature is supported on following...
View ArticleRe: Firewall filter to accept traffic from tcp, udp except destined for...
Hi Folks, Just my 2 cents on this, 1. Block the content you dont want exclusively, like source-address + protocol tcp + port telnet/ssh [edit] labroot# show firewall family inet filter cust | display...
View ArticleRe: Juniper EX 3300 how to block Multicast / mDNS on the LAN.
for some reason on 2200C when I test in v90: vlan-id 90;filter { input block_mDNS;} I can still access the apple tv - this filter should block it as far as I know.
View ArticleRe: EX3400 COS transmit rate
Just found a KB with the answer: https://kb.juniper.net/InfoCenter/index?page=content&id=KB32060&cat=&actp=LIST Summary: This article explains the meaning, cause and solution for the syslog...
View ArticleShow commands in Configuration mode
Is there an equivilent to the Cisco "do" command that allows you to perform show commands (for operational mode) while in Configuration mode? For example, in Cisco while in config mode (regardless of...
View ArticleRe: Show commands in Configuration mode
Hi, Yes this is possible. Just append 'run' to the start of your operational command while you are in configuration mode. # run show vlans # run show routeThanksTim
View ArticleCompatibility Cisco Rapid-PVST and Juniper EX MSTP
Hi guys,just a short question.Lets assume we have a Cisco Catalyst running STP Version Rpaid-PVST and now connect a Juniper EX-Switch running MSTP.The MSTP is configured to have 3 Instances -> CIST...
View ArticleRe: Compatibility Cisco Rapid-PVST and Juniper EX MSTP
MSTP on cisco = MSTP juniperPVST+ and RSTP interoperability - https://kb.juniper.net/InfoCenter/index?page=content&id=KB15138
View ArticleRe: Juniper EX 3300 how to block Multicast / mDNS on the LAN.
You could apply the filter on the input queue of the physical interfaces instead. interfaces ge-0/0/0 unit 0 family ethernet-switching filter input block_mDNS
View ArticleRe: Disable 40gb Port Channelization on EX4600?
For the specific part about the channazlization of QSFP+ ports i cant help.But in general you can configure non excisiting ports in Junos.For example an SFP+/SFP combo port.For these you may include...
View ArticleRe: Firewall filter to accept traffic from tcp, udp except destined for...
@Python. Dear i have applied the said commands but i want to apply an exception , like want to give a subnet that can access the switch layer 3 gateway.
View ArticleRe: Firewall filter to accept traffic from tcp, udp except destined for...
Hi Ahmed-netsec,It’s much simple… You MUST always allow what you know/want exclusively and block the rest… Term 1 – Allow the IP for Interested Specific Subnet [Genuine] for TCP/UDP Sample: Allow all...
View ArticleSet 4 ports to un managed
Hi' guys, Can anyone help me with this, I have an ex3300 switch tha ti am configuring. There is a learning curve so in the meantime i would like to know how can i assign 4 ports to act a s a dumb...
View ArticleRe: Set 4 ports to un managed
Hello.The EX series fixed switches are coming from factory with all ports preconfigured in access mode in default VLAN i.e. all ports are part of one L2 domain. You can let the EX3300 switch boot and...
View ArticleRe: Set 4 ports to un managed
Problem is...for some reason only the cable carrying the DHCP service is not working . all other devices are communicating fine on the default access ports. event if i switch to trunk it does not work ?
View ArticleRe: Set 4 ports to un managed
If i plug in the cable directly to my comp...i get an address but not threw the switch on default access port.
View ArticleRe: Set 4 ports to un managed
Hello.My apologies. The access port where is connected DHCP server must configured as dhcp-trusted likely.set ethernet-switching-options secure-access-port interface dhcp-trustedThe access ports are by...
View ArticleRe: Set 4 ports to un managed
Yes i have tried setting the default access port to DHCP untrusted and still nothing ... strange ?
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