کد:
Router#show isdn status
Global ISDN Switchtype = primary-net5
ISDN Serial0:15 interface
dsl 0, interface ISDN Switchtype = primary-net5
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
Layer 3 Status:
18 Active Layer 3 Call(s)
CCB:callid=5A, sapi=0, ces=0, B-chan=26, calltype=VOICE
CCB:callid=7A, sapi=0, ces=0, B-chan=9, calltype=VOICE
CCB:callid=B4, sapi=0, ces=0, B-chan=11, calltype=VOICE
CCB:callid=C4, sapi=0, ces=0, B-chan=6, calltype=VOICE
CCB:callid=D3, sapi=0, ces=0, B-chan=12, calltype=VOICE
CCB:callid=D7, sapi=0, ces=0, B-chan=25, calltype=VOICE
CCB:callid=DD, sapi=0, ces=0, B-chan=31, calltype=VOICE
CCB:callid=E9, sapi=0, ces=0, B-chan=19, calltype=VOICE
CCB:callid=EB, sapi=0, ces=0, B-chan=23, calltype=VOICE
CCB:callid=FE, sapi=0, ces=0, B-chan=8, calltype=VOICE
CCB:callid=105, sapi=0, ces=0, B-chan=28, calltype=VOICE
CCB:callid=106, sapi=0, ces=0, B-chan=7, calltype=VOICE
CCB:callid=109, sapi=0, ces=0, B-chan=22, calltype=VOICE
CCB:callid=10A, sapi=0, ces=0, B-chan=5, calltype=VOICE
CCB:callid=10B, sapi=0, ces=0, B-chan=30, calltype=VOICE
CCB:callid=10C, sapi=0, ces=0, B-chan=29, calltype=VOICE
CCB:callid=10D, sapi=0, ces=0, B-chan=24, calltype=VOICE
CCB:callid=10F, sapi=0, ces=0, B-chan=21, calltype=VOICE
Active dsl 0 CCBs = 18
The Free Channel Mask: 0x840B720F
Number of L2 Discards = 0, L2 Session ID = 1
ISDN Serial3:15 interface
dsl 1, interface ISDN Switchtype = primary-net5
Layer 1 Status:
DEACTIVATED
Layer 2 Status:
TEI = 0, Ces = 1, SAPI = 0, State = TEI_ASSIGNED
Layer 3 Status:
0 Active Layer 3 Call(s)
Active dsl 1 CCBs = 0
The Free Channel Mask: 0x00000000
Number of L2 Discards = 0, L2 Session ID = 0
ISDN Serial1:15 interface
dsl 2, interface ISDN Switchtype = primary-net5
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 0, Ces = 1, SAPI = 0, State = MULTIPLE_FRAME_ESTABLISHED
Layer 3 Status:
0 Active Layer 3 Call(s)
Active dsl 2 CCBs = 0
The Free Channel Mask: 0xFFFF7FFF
Number of L2 Discards = 0, L2 Session ID = 159
Total Allocated ISDN CCBs = 18
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