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Radio, konfiguration och felsökning

Exempelkonfiguration

cellular 0/1/0 lte profile create 10 4g.tele2.se none ipv4

controller Cellular 0/1/0
 lte sim data-profile 10 attach-profile 10 slot 0
 lte sim data-profile 11 attach-profile 11 slot 1
 lte sim max-retry 65535
 lte failovertimer 5
 lte modem link-recovery rssi onset-threshold -110
 lte modem link-recovery monitor-timer 20
 lte modem link-recovery wait-timer 10
 lte modem link-recovery debounce-count 6

dialer-list 1 protocol ip permit

interface Cellular0/1/0
 no shutdown
 ip address negotiated
 no ip proxy-arp
 ip tcp adjust-mss 1400
 dialer in-band
 dialer idle-timeout 0
 dialer-group 1
 pulse-time 1
exit

 Felsökning

Radiomodulen kan bootas om utan att hela routern behöver bootas. Först behövs service internal konfigureras i global config mode. Slå sedan test cellular 0/1/0 modem-reset i enable-läge.

Lås till radioteknik

Det går att låsa radion till 3G, 4G eller 5G. Man kan även låsa till specifika band inom teknikerna.

controller cellular 0/1/0

# Enbart 4G
lte modem band-select indices umts3g all lte4g all nr5g none slot 0

# Enbart 5G
lte modem band-select indices umts3g none lte4g none nr5g all slot 0

 

Utökad loggning på radiomodul

Det går att aktivera mer loggning för radiomodulen under controller-interfacet. Se Ciscos dokumentation här. Loggarna hamnar i flash:servelogs.

ir1101(config-controller)#lte modem serviceability ?
  filesize-cell     Cellular Serviceability log file size
  filesize-gps      GPS Serviceability log file size
  gps               GPS feature serviceability logging
  interface-resets  Interface resets/Bearer deletion serviceability logging
  modem-resets      Enable serviceability logging for modem reset issues

ir1101#show run | sec controller
controller Cellular 0/1/0
 lte modem serviceability modem-resets
 lte modem serviceability interface-resets
 lte modem serviceability filesize-cell 5


ir1101#dir flash:servelogs
Directory of bootflash:/servelogs/

140861  -rw-              241  Aug 11 2025 07:49:42 +00:00  celllog-slot1-20250811-074937

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