Hello, when trying to enable icmp debug by using command "debug IP icmp" in ISR 4321 router, it doesn't capture received icmp packets. But if i send icmp packet to others from the router, the router capture icmp packet normally. Does this situation be normal?
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Cisco IOS XE Software, Version 16.08.01
Cisco IOS Software [Fuji], ISR Software (X86_64_LINUX_IOSD-UNIVERSALK9-M), Version 16.8.1, RELEASE SOFTWARE (fc3)
Copyright (c) 1986-2018 by Cisco Systems, Inc.
Compiled Tue 27-Mar-18 13:43 by mcpre
Cisco IOS-XE software, Copyright (c) 2005-2018 by cisco Systems, Inc.
All rights reserved. Certain components of Cisco IOS-XE software are
licensed under the GNU General Public License ("GPL") Version 2.0. The
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or the applicable URL provided on the flyer accompanying the IOS-XE
software.
ROM: IOS-XE ROMMON
CENT-R uptime is 9 minutes
Uptime for this control processor is 11 minutes
System returned to ROM by Reload Command at 20:35:19 KST Sat Feb 6 2021
System image file is "bootflash:isr4300-universalk9.16.08.01.SPA.bin"
Last reload reason: Reload Command
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Suite License Information for Module:'esg'
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Suite Suite Current Type Suite Next reboot
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FoundationSuiteK9 None None None
securityk9
appxk9
AdvUCSuiteK9 None None None
uck9
cme-srst
cube
Technology Package License Information:
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Technology Technology-package Technology-package
Current Type Next reboot
------------------------------------------------------------------
appxk9 None None None
uck9 uck9 Permanent uck9
securityk9 securityk9 Permanent securityk9
ipbase ipbasek9 Permanent ipbasek9
cisco ISR4321/K9 (1RU) processor with 1788457K/6147K bytes of memory.
Processor board ID FDO2241A2GG
2 Gigabit Ethernet interfaces
2 Serial interfaces
32768K bytes of non-volatile configuration memory.
4194304K bytes of physical memory.
3125247K bytes of flash memory at bootflash:.
0K bytes of WebUI ODM Files at webui:.
Configuration register is 0x2102