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Multihoming w/ Verio
From: "Mike Stubbers" <mikest () uidaho edu>
Date: Thu, 13 Sep 2001 09:40:24 -0700


Could anyone experienced with multihoming with Verio please contact me
off-list.

We are using a Verio link as a customer fallback to another ISP link and I
don't believe I'm seeing what I should be for routing advertisements.  This
is after changing our community setting with them as a customer fallback.
re: http://info.us.bb.verio.net/routing.html

Mae West looking glass no longer shows a path through AS2914 and I am
wanting to make sure that the failover will happen if my primary link
through AS101 goes down.  I have attempted to work with Verio's frontline
support with two separate calls which have not helped.  They do say they see
our network advertisements and are redistributing them in their IBGP, but
they can not tell me why I don't see them externally.  Another view at
route-views.oregon-ix.net shows 2914 in the path, but with out a direct path
back from Verio to me, it all flows through the 2914-701-101 path.  I'm
wanting to know if this is what I should be seeing.

Any assistance would be appreciated.


MAE-West Looking Glass Results
Query: bgp
Addr: 129.101.0.0

BGP routing table entry for 129.101.0.0/16, version 42538010
Paths: (10 available, best #10)
  Advertised to peer-groups:
     internal pop rr-pop
  701 101 11808
    165.117.64.114 (metric 220400) from 165.117.1.172 (165.117.1.172)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:180 2548:228 2548:666 3706:170
  701 101 11808
    165.117.51.254 (metric 490800) from 165.117.1.165 (165.117.1.165)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:180 2548:244 2548:666 3706:164
  701 101 11808
    204.255.168.117 (metric 310600) from 165.117.1.173 (165.117.1.173)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:180 2548:327 2548:666 3706:168
  1239 101 11808
    165.117.1.230 (metric 450500) from 165.117.1.174 (165.117.1.174)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:203 2548:666 3706:168
  701 101 11808
    204.255.168.113 (metric 420500) from 165.117.1.139 (165.117.1.139)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:180 2548:246 2548:666 3706:132
  1239 101 11808
    165.117.1.120 (metric 440505) from 165.117.1.120 (165.117.1.120)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:202 2548:666 3706:143
  701 101 11808
    165.117.68.190 (metric 445600) from 165.117.1.147 (165.117.1.147)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:180 2548:254 2548:666 3706:102
  701 101 11808
    204.255.168.109 (metric 415400) from 165.117.1.199 (165.117.1.199)
      Origin IGP, metric 4294967294, localpref 100, valid, internal
      Community: 2548:180 2548:245 2548:666 3706:161
  1239 101 11808
    198.32.136.129 from 198.32.136.129 (144.228.105.5)
      Origin IGP, metric 69, localpref 100, valid, external
      Community: 2548:201 2548:666
  1239 101 11808
    198.32.136.11 from 198.32.136.11 (144.228.105.1)
      Origin IGP, metric 68, localpref 100, valid, external, best
      Community: 2548:201 2548:666

route-views.oregon-ix.net>sho ip bgp 129.101.0.0
BGP routing table entry for 129.101.0.0/16, version 444896
Paths: (47 available, best #31)
  Advertised to non peer-group peers:
    128.223.162.75
....clip...
  267 2914 701 101 11808
    204.42.253.253 from 204.42.253.253 (204.42.253.253)
      Origin IGP, localpref 100, valid, external
      Community: 267:2914
  2914 701 101 11808
    129.250.0.11 from 129.250.0.11 (129.250.0.11)
      Origin IGP, metric 9, localpref 100, valid, external
      Community: 2914:420
  234 2914 701 101 11808
    204.212.44.131 from 204.212.44.131 (204.212.44.131)
      Origin IGP, localpref 100, valid, external
      Community: 234:2914
  2914 701 101 11808
    129.250.0.6 from 129.250.0.6 (129.250.0.6)
      Origin IGP, metric 16, localpref 100, valid, external
      Community: 2914:420
  701 101 11808
    157.130.185.17 from 157.130.185.17 (137.39.3.117)
      Origin IGP, localpref 100, valid, external


Mike Stubbers
Network Analyst Supervisor, SCP
Information Technology Services
University of Idaho
mikest () uidaho edu
208-885-2122


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