I was asked early this week what the difference between configuring a routing policy matching on "traffic-engineering" and configuring one matching on "family traffic-engineering" is. I found this to be a very good question, so I decided to write a...
Category: JNCIE
JNCIE, JNCIP, JNCIS, ROUTING PROTOCOLS, SERVICE PROVIDER
SRX210 network configuration example
ylara@R1# show | display setset version 12.1X44-D35.5set system host-name R1set system time-zone America/New_Yorkset system root-authentication encrypted-password "$1$6gNz/e.a$3PwYertOAmvSXeWEYVkKF1"set system login user ylara uid 2000set system login user ylara class super-userset system login user ylara authentication encrypted-password "$1$tWTTA9FV$WTL22E4Hj2JKLEmbODI8i0"set system services ssh root-login...
JNCIE, SERVICE PROVIDER
JNCIE-SP References
NOTE: This is MY list of references to help you get started. It is not a Juniper official list, and it does not mean everything you need to know for the test is covered here. Also, if you find any...
JNCIE, SECURITY
JNCIE-SEC references
NOTE: This is MY list of references to help you get started. It is not a Juniper official list, and it does not mean everything you need to know for the test is covered here. vLABs https://jlabs.juniper.net/vlabs/portal/index.page JUNIPER FORUM https://forums.juniper.net/t5/Discussion-Forums/ct-p/Forums...
ENTERPRISE, JNCIE, JNCIP, JNCIS, SECURITY, SERVICE PROVIDER
Junos Routing Tables – Part 1
Along the journey of learning Junos, you will run across different routing tables that are used for different purposes. Some tables make sense right away, but others take some digesting. I hope I can answer some questions that you might...
JNCIE, JNCIP, SERVICE PROVIDER
ISIS NARROW and WIDE METRICs
Today we will talk about ISIS narrow metrics and wide metrics, but as always, let me give you some background first. We start by looking at the ISIS PDUs (Packet Data Units), which is the term used to refer to...
ENTERPRISE, JNCIA, JNCIE, JNCIP, JNCIS, SERVICE PROVIDER
OSPF SUMMARY
OSPF PACKET TYPES HELLO PACKETS Adjacencies formation: An adjacency could fail if there is a mismatch of any of the following parameters: MTU (stuck in exstart) Network address Subnet mask Hello interval and/or dead interval Area typeAuthenticationArea idInterface type (broadcast,...
ENTERPRISE, JNCIE, JNCIP, SERVICE PROVIDER
OSPF vs. ISIS
Long ago, when I didn't know much about ISIS, and I mostly worked with customers running OSPF, I used to think of ISIS as a strange routing protocol, that nobody really cared much about. But I was sooo wrong! I...
JNCIE, JNCIP, SERVICE PROVIDER
JUNOS RIB-GROUPS (2/2)
Glad you came back for more rib-groups fun! We are now going to take a look at some applications of rib-groups that you might find interesting and applicable to your real networks. Warning: Brace for some extra topics! CASE 1...
ENTERPRISE, JNCIE, JNCIP, SECURITY, SERVICE PROVIDER
JUNOS RIB-GROUPS (1/2)
During the JNCIE-SP preparation session we had a few weeks ago, I mentioned that if someone had any suggestions about topics for my blog, I would be happy to consider them. Someone answered: rib-groups! And I thought: "oh yeah, that’s...
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