This is what we saw via our upstream provider, it happened twice: [image: Inline image 1] On Wed, Aug 8, 2012 at 2:58 PM, Mike Tancsa <mike@sentex.net> wrote:
On 8/8/2012 2:50 PM, Jeff Wheeler wrote:
It also took over 10 minutes for my BGP withdraws to propagate from Bell to their neighbors, including Level3. I would guess Bell Canada's routers all have very busy CPU.
I saw the same sort of behaviour from TATA. I shut my peer with them, yet TATA was still advertising to Level3 a good 15min after !??!
route-views> traceroute 199.212.134.1
Type escape sequence to abort. Tracing the route to 199.212.134.1
1 vl-51.uonet1-gw.uoregon.edu (128.223.51.2) [AS 3582] 280 msec 364 msec 280 msec 2 3.xe-1-3-0.uonet10-gw.uoregon.edu (128.223.3.10) [AS 3582] 252 msec 272 msec 272 msec 3 eugn-car1-gw.nero.net (207.98.68.177) [AS 3701] 272 msec 268 msec 244 msec 4 eugn-core1-gw.nero.net (207.98.64.161) [AS 3701] 260 msec 272 msec 280 msec 5 ge-6-21.car1.Sacramento1.Level3.net (4.53.200.1) [AS 3356] 296 msec 260 msec 312 msec 6 ae-11-11.car2.Sacramento1.Level3.net (4.69.132.150) [AS 3356] [MPLS: Label 83 Exp 0] 304 msec 328 msec 376 msec 7 ae-4-4.ebr2.SanJose1.Level3.net (4.69.132.158) [AS 3356] [MPLS: Label 1123 Exp 0] 328 msec 252 msec 308 msec 8 ae-3-3.ebr1.Denver1.Level3.net (4.69.132.58) [AS 3356] [MPLS: Label 1191 Exp 0] 332 msec 240 msec 232 msec 9 ae-1-100.ebr2.Denver1.Level3.net (4.69.151.182) [AS 3356] [MPLS: Label 1189 Exp 0] 252 msec 56 msec 40 msec 10 ae-3-3.ebr1.Chicago2.Level3.net (4.69.132.62) [AS 3356] [MPLS: Label 1186 Exp 0] 72 msec 72 msec 248 msec 11 ae-1-51.edge3.Chicago3.Level3.net (4.69.138.136) [AS 3356] 200 msec 344 msec 200 msec 12 tata-level3.chicago3.level3.net (4.68.110.194) [AS 3356] 204 msec 200 msec 216 msec 13 * * * 14 if-4-2.tcore1.MTT-Montreal.as6453.net (64.86.31.17) [AS 6453] 80 msec if-13-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.32.2) [AS 6453] [MPLS: Label 3208 Exp 0] 84 msec 228 msec 15 * * * 16 if-5-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.31.22) [AS 6453] [MPLS: Label 1678 Exp 0] 260 msec 244 msec 236 msec 17 if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 272 msec if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 272 msec if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 260 msec 18 if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 224 msec 208 msec 204 msec 19 if-5-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.31.22) [AS 6453] [MPLS: Label 1678 Exp 0] 260 msec 344 msec 300 msec 20 if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 256 msec if-5-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.31.22) [AS 6453] [MPLS: Label 1678 Exp 0] 240 msec if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 268 msec 21 if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 232 msec if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 248 msec if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 256 msec 22 if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 232 msec 240 msec 240 msec 23 if-5-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.31.22) [AS 6453] [MPLS: Label 1678 Exp 0] 244 msec * * 24 if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 284 msec 208 msec 220 msec 25 if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 204 msec 256 msec if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 204 msec 26 if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 224 msec 424 msec 208 msec 27 if-5-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.31.22) [AS 6453] [MPLS: Label 1678 Exp 0] 220 msec * * 28 if-5-0-0.mcore3.TTT-Scarborough.as6453.net (64.86.31.22) [AS 6453] [MPLS: Label 1678 Exp 0] 136 msec 128 msec if-1-0-0.core4.TNK-Toronto.as6453.net (63.243.172.1) [AS 6453] 116 msec 29 if-14-0-0.mcore3.TTT-Scarborough.as6453.net (63.243.172.2) [AS 6453] [MPLS: Label 3208 Exp 0] 128 msec 124 msec 116 msec 30 * 152 msec 120 msec route-views>
-- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
