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Port Channel Flag Details

mrashby
Level 1
Level 1

All,

I created an etherchannel between a cat3750G and a cat6509. I ran a show etherchannel 5 detail and I noticed for my flags I got SC. Is this okay, I am wondering because I looked it up and it doesn't sound good but I could be reading it wrong. Thanks

Group state = L2

Ports: 2 Maxports = 8

Port-channels: 1 Max Port-channels = 1

Protocol: PAgP

Ports in the group:

-------------------

Port: Gi1/0/25

------------

Port state = Up Mstr In-Bndl

Channel group = 1 Mode = Desirable-NonSl Gcchange = 0

Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1

Port index = 0 Load = 0x00 Protocol = PAgP

Flags: S - Device is sending Slow hello. C - Device is in Consistent state.

A - Device is in Auto mode. P - Device learns on physical port.

d - PAgP is down.

Timers: H - Hello timer is running. Q - Quit timer is running.

S - Switching timer is running. I - Interface timer is running.

Local information:

Hello Partner PAgP Learning Group

Port Flags State Timers Interval Count Priority Method Ifindex

Gi1/0/25 SC U6/S7 H 30s 1 128 Any 5001

Partner's information:

Partner Partner Partner Partner Group

Port Name Device ID Port Age Flags Cap.

Gi1/0/25 CAT_6509_HQ 000c.cfd0.dc00 Gi2/4 7s SC 10001

Age of the port in the current state: 01d:08h:58m:36s

Port: Gi1/0/26

------------

Port state = Up Mstr In-Bndl

Channel group = 1 Mode = Desirable-NonSl Gcchange = 0

Port-channel = Po1 GC = 0x00010001 Pseudo port-channel = Po1

Port index = 0 Load = 0x00 Protocol = PAgP

Flags: S - Device is sending Slow hello. C - Device is in Consistent state.

A - Device is in Auto mode. P - Device learns on physical port.

d - PAgP is down.

Timers: H - Hello timer is running. Q - Quit timer is running.

S - Switching timer is running. I - Interface timer is running.

Local information:

Hello Partner PAgP Learning Group

Port Flags State Timers Interval Count Priority Method Ifindex

Gi1/0/26 SC U6/S7 H 30s 1 128 Any 5001

Partner's information:

Partner Partner Partner Partner Group

Port Name Device ID Port Age Flags Cap.

Gi1/0/26 CAT_6509_HQ 000c.cfd0.dc00 Gi2/3 6s SC 10001

Age of the port in the current state: 01d:09h:04m:31s

Port-channels in the group:

---------------------------

Port-channel: Po5

------------

Age of the Port-channel = 01d:09h:25m:21s

Logical slot/port = 10/1 Number of ports = 2

GC = 0x00010001 HotStandBy port = null

Port state = Port-channel Ag-Inuse

Protocol = PAgP

Ports in the Port-channel:

Index Load Port EC state No of bits

------+------+------+------------------+-----------

0 00 Gi1/0/25 Desirable-NonSl 0

0 00 Gi1/0/26 Desirable-NonSl 0

1 Reply 1

glen.grant
VIP Alumni
VIP Alumni

Looks perfect , both are up , master in bundle and they see each and have negotiated the etherchannel properly . You can also do a show etherchannel summary to I believe which gives you a compact reading on the channel.

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