Service Manual

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6802800U74-AN
Chapter 13: MTS Troubleshooting
SC: status bfd
> Session:1 (172.24.16.18->172.24.16.17) UP
------------- RX ---------- TX -------------
-----------------------------------------
dropped 1
up/down 3 2
----------- session details -------------
KA timer 300(peer 300000) timeout 900
ID 1(peer 4)
> Session:2 (172.24.20.18->172.24.20.17) UP
------------- RX ---------- TX -------------
-----------------------------------------
dropped 0
up/down 1 0
----------- session details -------------
KA timer 300(peer 300000) timeout 900
ID 2(peer 9)
> Session:1 (172.24.16.6->172.24.16.5) UP
------------- RX ---------- TX -------------
-----------------------------------------
dropped 0
up/down 2 1
----------- session details -------------
KA timer 300(peer 300000) timeout 3000
ID 1(peer 1)
> Session:2 (172.24.20.6->172.24.20.5) DOWN
------------- RX ---------- TX -------------
-----------------------------------------
dropped 0
At the end of its output, the status bsl command displays information about site link ports, Ethernet
connection state (UP/DOWN), and position (TSC id A or B). The example above is from dual MTS4
configuration.
By L11 here the L1 port (pairs 1-2, 3-6) on the cover is meant.
The status bsl command displays two sets of settings for each parameter:
• Current: contains settings that were read from the configuration file during startup and are currently
used by Base Station.
• Next: contains settings that can take effect after a reset of Base Station.
When the Next values are successfully validated and saved into the configuration file, they shall take
effect after a reset of Base Station.
The status bfd command displays states of BFD protocol sessions SC uses to monitor links with
Core Routers. BFD protocol must be enabled in Ethernet Site link configuration for this functionality.
ctrl
1639560
1639729
reply
817738
821821
ctrl
1640162
1640396
reply
817672
822490
If there is a performance issue with the Ethernet Site link, the “dropped” or “up/down” numbers are
high, and there is a big difference between RX and TX values. See the following example of UP and
DOWN Ethernet Site link sessions:
ctrl
6961306
6961326
reply
3469091
3492215
ctrl
0
3469110
reply
0
0
L11_B: UP
N/A
Secondary eth sitelink port (pos ID)
Secondary intermediary port states