At 1:04 AM +0000 2/17/03, Karagozian Sarkis wrote: >Qn? >Does Trace route path below indicate the exact interfaces/IP addresses >it phyicsally goes thru.to get to these device interfaces,OR there are some >hidden Device Interfaces that are not seen/shown on it's way to reach it >destination ??? > >I want to know if I can rely on traceroute to come up with a schematic of >how things are connected... assuming you have a mix of Juniper/Cisco/Foundry >devices. and can not rely on sh cdp neighbor to come up with a schematic of >connected interaces.
Definitely not, if there is tunneling or NAT involved. Firewall interfaces also will probably not show. > > >Here is a trace route example : > > Trace 204.1.253.82; Start time 02/17/03 16:50:49 >Tracing route to 204.1.253.82 >50 bytes from 204.1.253.82: time=15 ms >Hop Avg Diff Address > 1 2 2 192.168.0.1 > 2 14 12 172.31.255.247 > 3 13 -1 192.168.28.33 > 4 14 1 63.209.80.81 >gigabitethernet5-0-155.ipcolo2.LosAngeles1.Level3.net > 5 14 0 209.244.10.249 >gigabitethernet3-1.core1.LosAngeles1.Level3.net > 6 15 1 129.250.9.33 >p16-1-1-3.r21.lsanca01.us.bb.verio.net > 7 15 0 204.1.253.82 >fa-3-47.a04.lsanca01.us.ra.verio.net >End time 02/17/03 16:51:17 >host reached > > >Appreciate an answer.... Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=63135&t=63078 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
