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Cisco Bug: CSCuo78473 - TCP half open seen despite telnet server ACL

Last Modified

Jul 20, 2018

Products (24)

  • Cisco Carrier Routing System
  • Cisco CRS-1 Line Card Chassis (Dual)
  • Cisco CRS-1 Line Card Chassis (Multi)
  • Cisco CRS-1 16-Slot Line Card Chassis
  • Cisco CRS-3 Multishelf System
  • Cisco IOS XR Software
  • Cisco CRS-1 4-Slot Single-Shelf System
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco XR 12410 Router
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Known Affected Releases

4.2.3.BASE

Description (partial)

Symptom:
After system reload or RP Failover telnet server access-lists may not properly bind on the system resulting in remote sockets being able to be opened from non permitted IP addresses.

Conditions:
Happens after system reload and RP Failover.

Related Community Discussions

Number of OSPF processes
Hi! I would like to know are there any limitations in number of OSPF processes in IOS-XR, especially on ASR9010 platform?   Active Packages:     disk0:asr9k-mini-px-4.3.4     disk0:asr9k-fpd-px-4.3.4     disk0:asr9k-doc-px-4.3.4     disk0:asr9k-mpls-px-4.3.4     disk0:asr9k-services-px-4.3.4     disk0:asr9k-k9sec-px-4.3.4     disk0:asr9k-px-4.3.4.sp2-1.0.0     disk0:asr9k-px-4.3.4.CSCuh93866-1.0.0     disk0:asr9k-px-4.3.4.CSCui28202-1.0.0     disk0:asr9k-px-4.3.4.CSCuo16209-1.0.0     disk0:asr9k-px-4.3.4.CSCuo17130-1.0.0 ...
Latest activity: Sep 29, 2014
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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