[Sysops-list] MOS access latency

Manoj Rajkarnikar manoj at dns1.vianet.com.np
Wed Dec 7 14:59:08 NPT 2005


Surya ji,

I tried to contact you for this problem. seems like there is some routing 
issue at npix sundhara. from 202.51.74.0/23 we are facing high latency 
after the npix hop at sundhara. its fine from 202.51.76.0/24 network. 
maybe it is taking return path via satellite link and not the npix. Could 
you please check it.

[root at dobhan root]# traceroute -s 202.51.76.25 chulu.mos.com.np
traceroute to chulu.mos.com.np (202.52.255.6) from 202.51.76.25, 30 hops 
max, 38 byte packets
 1  fa-0-0-iris (202.51.76.17)  0.357 ms  0.354 ms  0.352 ms
 2  se-0-1-retina (202.51.76.245)  3.095 ms  6.440 ms  3.340 ms
 3  * 202.52.228.185 (202.52.228.185)  7.477 ms  7.451 ms
 4  serial-0-0-ktp-rt1.mos.com.np (202.52.228.9)  9.094 ms  6.561 ms  
12.208 ms
 5  fast-ether-1-1-dmg-3640.mos.com.np (202.52.233.254)  8.515 ms  6.042 
ms  6.328 ms
 6  *^^
[root at dobhan root]# traceroute -s 202.51.74.129 chulu.mos.com.np
traceroute to chulu.mos.com.np (202.52.255.6) from 202.51.74.129, 30 hops 
max, 38 byte packets
 1  fa-0-0-iris (202.51.76.17)  0.530 ms  0.295 ms  0.335 ms
 2  se-0-1-retina (202.51.76.245)  17.077 ms  7.179 ms  3.155 ms
 3  202.52.228.185 (202.52.228.185)  710.728 ms * *
 4  serial-0-0-ktp-rt1.mos.com.np (202.52.228.9)  794.147 ms  757.516 ms  
778.874 ms
 5  fast-ether-1-1-dmg-3640.mos.com.np (202.52.233.254)  695.239 ms  
692.575 ms  694.469 ms
 6  *
[root at dobhan root]# traceroute -s 202.51.75.129 chulu.mos.com.np
traceroute to chulu.mos.com.np (202.52.255.6) from 202.51.75.129, 30 hops 
max, 38 byte packets
 1  fa-0-0-iris (202.51.76.17)  0.584 ms  0.334 ms  0.293 ms
 2  se-0-1-retina (202.51.76.245)  3.149 ms  3.102 ms  3.428 ms
 3  202.52.228.185 (202.52.228.185)  721.473 ms *  724.317 ms
 4  serial-0-0-ktp-rt1.mos.com.np (202.52.228.9)  699.817 ms  657.421 ms  
816.542 ms
 5  * fast-ether-1-1-dmg-3640.mos.com.np (202.52.233.254)  685.765 ms *
 6  *
 
Manoj
Vianet Communications



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