Learning by Doing: CISCO Certified Network ... - SCN Research

00:13:27: %LINEPROTO-5-UPDOWN: Line protocol on Interface BRI0/0:1,
changed state to up
00:13:32: %ISDN-6-CONNECT: Interface BRI0/0:1 is now connected to
5551234 smarts
Network Layer:
With a good, active connection we can see our ISDN active status:
kissane#sh isdn status
Global ISDN Switchtype = basic-ni
ISDN BRI0/0 interface
dsl 0, interface ISDN Switchtype = basic-ni
Layer 1 Status:
ACTIVE
Layer 2 Status:
TEI = 64, Ces = 1, SAPI = 0, State =
MULTIPLE_FRAME_ESTABLISHED
TEI = 65, Ces = 2, SAPI = 0, State =
MULTIPLE_FRAME_ESTABLISHED
Spid Status:
TEI 64, ces = 1, state = 8(established)
spid1 configured, spid1 sent, spid1 valid
Endpoint ID Info: epsf = 0, usid = 70, tid = 1
TEI 65, ces = 2, state = 5(init)
spid2 configured, spid2 sent, spid2 valid
Endpoint ID Info: epsf = 0, usid = 70, tid = 2
Layer 3 Status:
1 Active Layer 3 Call(s)
Activated dsl 0 CCBs = 1
CCB:callid=0x8004, sapi=0x0, ces=0x1, B-chan=1
The Free Channel Mask: 0x80000002
Total Allocated ISDN CCBs = 1
kissane#
We can see our layer 1 status is “active.” Our layer 2 has two active “multiple frames
established” which is one for each spid. Finally our layer 3 has one active call. To see
more details about that call:
kissane#sh isdn active
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ISDN ACTIVE CALLS
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History table has a maximum of 100 entries.
History table data is retained for a maximum of 15 Minutes.
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