Cisco 7600-ES20-GE3CXL-RF - Ethernet Services 20G Line Card Switch Manual de usuario Pagina 100

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Caveats for Cisco IOS Release 12.2(33)SRD through 12.2(33)SRD8
OL-10394-05 Rev. R0
In case of this defect, testing device is advertising link-local nexthop for directly connected neighbor
using global IPv6 address. Cisco router will never advertise link-Local nexthop.
Workaround: There is no workaround.
CSCsy39667
Symptoms: On a PPP aggregator using dhcp-proxy-client functionality, in a situation where a PPP
client session is torn down and then renegotiated within 5 seconds, the DHCP proxy client may send
a DHCP RELEASE for the previous DHCP handle after the new DHCP handle (created as a result
of new IPCP CONFREQ Address 0.0.0.0) has accepted the same IP address allocation from the
offnet DHCP Server. This results in the offnet DHCP server having no record of the lease as it exists
on the PPP aggregator which causes future addressing conflicts.
Conditions: The symptom is observed on a Cisco 7200 (NPE-400) and 7200 (NPE-G2) that is
running Cisco IOS Release 12.4 T, or 12.2 SB.
Workaround:
1. Automated: Write a script to compare active leases on the PPP aggregator to active leases on
DHCP server. If a lease is found to only exist on the PPP aggregator, use clear interface
virtual-access to recover.
2. Manual: use the command clear interface virtual-access.
Further Problem Description: This issue occurs because the DHCP client holdtime is static at 5
seconds and there are no IOS hooks to tie PPP LCP session removal and IPAM to suppress stale
DHCPRELEASES waiting in queue for HOLDTIME to expire.
CSCsy53076
Symptoms: Copy to "slavedisk:" is failing with the following error:
Error writing slavedisk0:/rsp72043-adventerprisek9_d/jointfilesconvert/422273/bg-mz.122-33.0.5.SRD (TF I/O failed in
data-in phase)
Conditions: The issue is seen in RPR mode with Cisco IOS Release 12.2SR rsp720 image.
Workaround: Copy the file in SSO mode.
CSCsy54365
Symptoms: In extremely rare conditions, traffic loss might be observed through ws-x6704 modules
equipped with DFC (DFC3b & 3bxl, DFC3a)
Conditions: To confirm that traffic loss might be related to this issue use the following command:
remote command module mod# show platform soft earl reset history
where <mod#> is slot number of the module experiencing traffic drops (ingress module)
cat6500#remote command mod 11 sh platform soft earl reset history
Num. of times patch applied : 156
Num. of times patch requested : 156
Time Reason InProgress Data
--------------+------------------------+------------+----------
5d20h Non-Earl Fatal error 0000 1701FFFFFFFFFFFF
5d20h Non-Earl Fatal error 0000 1701FFFFFFFFFFFF
5d20h Non-Earl Fatal error 0000 1700FFFFFFFFFFFF
5d20h Non-Earl Fatal error 0000 1700FFFFFFFFFFFF
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