Release Notes

11
Release Notes for the Cisco 1700 Series Routers for Cisco IOS Release 12.2(8)YL
OL-2941-03
Important Notes
Important Notes
The following sections contain important notes about Cisco IOS Release 12.2.(8)YL that can apply to
the Cisco 1700 series routers. (Also, see the “Caveats” section on page 12.)
T1/E1 VWIC Support on Cisco 1751 and 1760 Routers
The Cisco 1751 and 1760 routers no longer need a voice image to support data applications on T1/E1
VWICs.
Fan Operation in Cisco 1700 Series Routers
Cisco 1760 and 1760-V router fans are always on, and Cisco 1710 routers do not contain a fan. However,
the fans in Cisco 1720, 1721, 1750, and 1751 routers stay off until thermally activated.
Flash defaults to Flash:1 on Multipartition Flash
When using a multipartition flash card, the various flash partitions are referred to as “flash:1:”,
“flash:2:”, etc. If you specify only “flash” in a multipartition flash, the parser assumes “flash:1:.” For
example, if you enter show flash all the parser defaults to “show flash:1: all” and only the flash
information for the first partition displays. To see information for all flash partitions, enter show flash ?.
This will list all of the valid partitions. Then enter show flash:xx: all on each valid partition.
Peak Cell Rate and Sustainable Cell Rate Values
On Cisco 1700 routers, specify the Peak Cell Rate (PCR) and Sustainable Cell Rate (SCR) as multiples
of 32 Kbps. Other rates are treated as the next lower value of a multiple of 32. For example, an entered
PCR value of 150 is considered 128.
Using the boot flash Command
Booting a Cisco 1700 series router with the commands boot flash or boot system flash results in
unpredictable behavior. To work around this problem, be sure to enter a colon (:) following both
commands (for example, boot flash: or boot system flash:).
Using Dialer Interface with MLPPPoATM
This feature is not supported on the Cisco 1700 series platforms. Please use the Virtual Template
interface instead.