Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 99

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
Symptoms: When using Point-to-Point Tunnelling Protocol (PPTP) with RADIUS Accounting,
there may be several "nas-error" and "lost-carrier" listed in accounting as the Acct-Terminate-Cause.
Conditions: The symptom is observed when using Cisco IOS Release 12.4T (Releases
12.4(15)T-12.4(22)T confirmed) and using PPTP with RADIUS Accounting in place.
Workaround: There is no workaround.
CSCsy21885
Symptoms: After SPA reload, the CHOC12-DS0 SPA may be transmitting B1/B2/B3 errors out.
Remote side will detect SF BER, B1 TCA, B2 TCA, or B3 TCA alarms, or DS3 or DS1 alarms. The
CHOC12-DS0 SPA will have SONET line REI, Path REI or DS3/DS1 RAI alarm.
Conditions: When the SPA boots up during temperature transition, the SPA transmit side could
trigger B1/B2/B3 error detected by remote end. In a stable temperature environment, this problem
is hard to reproduce. After SPA is booted up, the problem can not be reproduced even if temperature
transits.
Workaround: A software workaround was released in Cisco IOS Release 12.2(33)SRD1 to reduce
the issue. But in some SPAs, the problem may still happen. When the problem happens, reload the
SPA.
CSCsy24878
Symptoms: Bulk sync fails.
Conditions: Occurs when the relay destination command is configured on the device.
Workaround: There is no workaround.
CSCsy26883
Symptoms: VPN routing/forwarding (VRF) traffic may experience packet loss after a supervisor
switchover.
Conditions: Occurs on a Cisco 7600 running Cisco IOS Release 12.2(33)SRB2 or Cisco IOS Release
12.2(33)SRC2.
Workaround: Apply an access-list with "permit ip any any" in one of the VRF interfaces, or force
another switchover.
CSCsy29534
Symptoms: In rare conditions, when removing address-familly in router RIP configuration just after
importing large amount of routes in it, the router may crash on bus error.
Conditions: It was observed in the following context:
1) Supervisor 720 running Cisco IOS Release 12.2(18)SXF7. 2) 66K of routes were imported at that
moment from BGP into RIP. 3) The address-family is removed.
Workaround: Wait a few minutes between the moment you create and import the routes in the
address-family and the moment you remove it. Typically 3-5 minutes (depending on the number of
routes, more delay may be needed).
CSCsy32000
Symptoms: Router crashes when BGP-IPv6 directly connected IBGP neighbors receives route with
Link-local Nexthop.
Conditions: BGP sends IPv6 link-local address in following cases:
1) Directly connected eBGP neighbors
2) BGP Ipv6 neighbors connected using Link-local address
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