Network troubleshooting - Use IOS troubleshooting tools - Embedded packet capture
3 important questions on Network troubleshooting - Use IOS troubleshooting tools - Embedded packet capture
What are the command to configure an embedded packet capture?
1.Create a buffer:
router# monitor capture buffer MYBUFFER circular (circular as if fills older stuff is ejected)
2.Create an access-list
router(config)# ip access-list extended ACL permit tcp any any eq http
3. Add filter and access-list
router#monitor capture buffer MYBUFFER filter access-list ACL
4. Configure interface capture
router#monitor capture point ip cef MYCAP serial 1/0 both
5. Associate buffer point and capture
router# monitor capture point associate MYCAP MYBUFFER
router# monitor capture buffer MYBUFFER circular (circular as if fills older stuff is ejected)
2.Create an access-list
router(config)# ip access-list extended ACL permit tcp any any eq http
3. Add filter and access-list
router#monitor capture buffer MYBUFFER filter access-list ACL
4. Configure interface capture
router#monitor capture point ip cef MYCAP serial 1/0 both
5. Associate buffer point and capture
router# monitor capture point associate MYCAP MYBUFFER
What is the command to view the capture parameters and how big is the packet capture and if it is running?
show monitor capture buffer all parameters
What is the command to export the capture?
monitor capture buffer MYBUFFER export tftp://x.x.x.x/mybuffer.cap
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