Cisco Systems MGX 8220 flashStartAddr and flashEndAddr , resetsys , softswitch

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Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix C Firmware Upgrade and Downgrade Procedu r es Description of Upgrade/Downgrade Terminology
flashStartAddr and flashEndAddr
The flashStartAddr and flashEndAddr commands are simply variables tha t d et er m in e wh er e w ith in
Flash memory a file will be w r itt en . Th e ASC flashStartAddr defaults to 0xbfc00000 (ASC backup
boot code) and need never be changed (th e ASC firm w are res ides on the ASC di sk in Rele ases 2, 3, and
4). The ASC flashEndAddr defaults to 0xbfc80000.
In Releases 2 and 3, the SM flashStartAddr defaults to 0xbfc40000 (SM firmware) after the SM is
reset. The SM flashEndAddr defaults to 0xbfd00000.
In Release 4, the SM flashStartAddr defaults to 0xbfc00000 (SM backup boot code) after the SM is
reset. The SM flashEndAddr defaults to 0xbfc80000.
SM backup boot code (Releases 2 and 3):
shelf.1.<slot>.<typ e>. <a|s> shellConn
shelf.1.<slot>.<ty pe >.< a|s>flashStartAddr = 0xbfc00000
shelf.1.<slot>.<ty pe >.< a|s >fl as h EndA d dr = 0 xb fc40 0 00
SM backup boot code (Release 4):
shelf.1.<slot>.<typ e>. <a|s> shellConn
shelf.1.<slot>.<ty pe >.< a|s>flashStartAddr = 0xbfc00000
shelf.1.<slot>.<ty pe >.< a|s >fl as h EndA d dr = 0 xb fc80 0 00
SM firmware (Releases 2 and 3):
shelf.1.<slot>.<typ e>. <a|s> shellConn
shelf.1.<slot>.<ty pe >.< a|s>flashStartAddr = 0xbfc40000
shelf.1.<slot>.<ty pe >.< a|s >fl as h EndA d dr = 0 xb fd0 00 00
resetsys
The MGX 8220 active ASC CLI command, resetsys, is used to reset all the cards in the MGX 8220
shelf.
shelf.1.<3|4>.ASC.a > re setsys
The resetsys command terminates all Telnet sessions. You must re-initiate a Telnet session after an ASC
card returns to the active state.
softswitch
The MGX 8220 active ASC CLI command, softswitch, is us ed to transfer traffic between a primary and
secondary SM, while greatly minimizing the tr affic loss. The softswitch command is avail ab le in
Release 4.
shelf.1.<3|4>.ASC.a > softswitch <primary> <secondary>
shelf.1.<3|4>.ASC.a > softswitch <seco ndar y > <pr ima ry>