Visitor
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1 Message
Regional Routing Fault: MN/WI traffic detouring through Denver/San Jose (ibone bypass)
Issue Summary: I am located in the Roseville, MN / Wisconsin node. I am experiencing a "tromboning" routing issue where traffic destined for the East Coast (Chicago/DC) is being sent to Denver and San Jose before returning East, adding 60ms of unnecessary latency.
Proof of Local Low Latency (Chicago Hub): This confirms my local node and equipment are fine (11ms to Chicago). | Hop | IP Address | Latency | Location/Notes | | :--- | :--- | :--- | :--- | | 1 | 192.168.50.1 | <1 ms | Local ASUS Router | | 2 | 162.159.153.4 | 11 ms | Cloudflare Chicago Hub |
Proof of Broken Routing (OSRS Game Server): This shows the 80ms detour through Denver (Hop 10). | Hop | IP/Hostname | Latency | The Routing Error | | :--- | :--- | :--- | :--- | | 1-9 | [Local Comcast Nodes] | 11 ms | MN/WI Local Cluster | | 10 | be-39821-cs02.1601milehigh.co.ibone.comcast.net | 31 ms | DETOUR: Denver, CO | | 13 | den-bb2-link.ip.twelve99.net | 31 ms | Handover to Backbone | | 16 | akamai-ic-369547.ip.twelve99-cust.net | 62 ms | Sent further West | | 20 | oldschool22.runescape.com | 79 ms | Final Destination (High Latency) |
Request for Engineering: Please escalate this to the NOC (Network Operations Center) or the Regional Peering Team. This is a BGP routing misconfiguration at the Roseville aggregation hub. Local hardware and signal levels have been ruled out. I need my traffic to exit via the Chicago peering point (equinix-chi) as intended.
user_5hjcih
Visitor
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1 Message
13 days ago
I'm in the same area and wanted to add that I am experiencing the same issue. I first noticed it last night Saturday March 13. Currently seeing about a 30ms increase in latency to Virginia and European servers. Normally I would ping 40-50ms to the east coast, but now it's more like 80ms. Hopefully this issue gets solved soon.
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XfinityKam
Official Employee
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103 Messages
12 days ago
@user_lz8cid Thank you for this very detail post, In order for us to review this we will need to run our own test and look into everything.
Please send us a direct chat message with your full name and complete service address to “Xfinity Support”. To do so, click on the chat icon located at the top right of this forum's page.
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EG
Expert
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116.9K Messages
11 days ago
@XfinityKam
Please circle back here and post any possible solutions for the issue here in these open public forums so that all readers here may benefit from the exchange / info. This is in keeping with the spirit for which these public help forums were originally intended. Thank you.
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