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VRRP virtual address does not support FTP files transmission

Publication Date:  2012-11-14 Views:  2 Downloads:  0

Issue Description

Two s9306 make vrrp master and backup,address is:
virtual ip:
Two swtich versions are s9300 v100r001c02b118,to upgrade v100r001c02b125,it needs to copy the upgrade packet to device afcard by ftp command,login s9306-1 by address,it found that cannot transmit data,login s9306-2 by address,it found that can transmit data.

Alarm Information

ftp login s9306-1,inport put or get command,warn information is as follows:
200 port command okay.                                                        
425 can't open data connection

Handling Process

1. Use command ftp  to login s9306-1,found that the address cannot transmit data
2. Use command ftp192.168.1.83 to login s9306-2,it can transmit files normally
3. compare the difference between 2 command: is vrrp virtual address,adoubt that the virtual address does not support ftp file transmission.
4. Import the command ftp, in ftp client side(pc),it can transmit data after login s9306-1.

Root Cause is vrrp virtual address,bit vrrp address does not support ftp file transmission