Specifications
1250
Cross-Platform Release Notes for Cisco IOS Release 12.0S
OL-1617-14 Rev. Q0
Resolved Caveats—Cisco IOS Release 12.0(28)S
First, enter the show ip interface brief EXEC command to display the usability status of interfaces
that are configured for IP. The output may look like the following:
Interface IP-Address OK? Method Status Protocol
Ethernet0/0 172.16.1.1 YES NVRAM up up
Ethernet1/0 unassigned YES NVRAM administratively down down
Serial2/0 192.168.2.1 YES NVRAM up up
Serial3/0 192.168.3.1 YES NVRAM up up
Loopback0 10.1.1.1 YES NVRAM up up
Then, create the following access control list (ACL) for the router and apply this ACL to all
interfaces that are enabled with the ip access-group 177 in router configuration command:
access-list 177 deny tcp any host 172.16.1.1 eq 514
access-list 177 deny tcp any host 172.16.1.1 eq 544
access-list 177 deny tcp any host 192.168.2.1 eq 514
access-list 177 deny tcp any host 192.168.2.1 eq 544
access-list 177 deny tcp any host 192.168.3.1 eq 514
access-list 177 deny tcp any host 192.168.3.1 eq 544
access-list 177 deny tcp any host 10.1.1.1 eq 514
access-list 177 deny tcp any host 10.1.1.1 eq 544
access-list 177 permit ip any any
• CSCed21865
Symptoms: A router may reload unexpectedly when a TCP watchdog timer expires.
Conditions: This symptom is observed when the router has hundreds of Border Gateway Protocol
(BGP) peers.
Workaround: There is no workaround.
Wide-Area Networking
• CSCea63481
Symptoms: A Cisco router may reboot every five minutes, and the system may return to ROM
because of a bus error at PC 0x400F047C, address 0x630BC42E.
Conditions: This symptom is observed on a Cisco 7500 series that runs the rsp- jsv-mz image of
Cisco IOS Release 12.2(15)T. The symptom may also occur in other releases.
Workaround: There is no workaround.
• CSCec83030
Symptoms: A parity error on a Versatile Interface Processor (VIP) card may cause other VIPs to go
to a wedged state.
Conditions: This symptom is observed on a Cisco 7500 series router.
Workaround: There is no workaround.
• CSCed02028
Symptoms: A router may reload unexpectedly because of a bus error after the following error
message is displayed:
%ATMPA-3-BADVCD:ATM[int] bad vcd [number] packet -
Conditions: This symptom is observed on a Cisco router that is configured with an ATM interface.