Difference between revisions of "Cluster:Netgear GBIC issues"
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== The symptoms == | == The symptoms == | ||
| − | Port trunking on the cairo Netgear GSM712 GBIC ports causes frequent, repeatable delays of a few seconds for no obvious reason. Delays on a single GBIC/pair of GBICs | + | Port trunking on the cairo Netgear GSM712 GBIC ports causes frequent, repeatable delays of a few seconds for no obvious reason. Delays on a single GBIC/pair of GBICs are also repeatable. |
== Things to remember == | == Things to remember == | ||
| Line 17: | Line 17: | ||
* Swapped top GBIC | * Swapped top GBIC | ||
* Swapped bottom GBICs | * Swapped bottom GBICs | ||
| − | |||
* Marked all GBIC modules with identifying scratches. | * Marked all GBIC modules with identifying scratches. | ||
* STP occassionally puts port in blocking mode when the pauses happen | * STP occassionally puts port in blocking mode when the pauses happen | ||
| Line 30: | Line 29: | ||
* GBIC 1 in port 12 on SW1, GBIC 3 in port 12 on SW0, other GBICs depopulated: Good | * GBIC 1 in port 12 on SW1, GBIC 3 in port 12 on SW0, other GBICs depopulated: Good | ||
* GBIC 1 in port 11 on SW0, GBIC 3 in port 11 on SW1, other GBICs depopulated: Good | * GBIC 1 in port 11 on SW0, GBIC 3 in port 11 on SW1, other GBICs depopulated: Good | ||
| − | * GBIC 1 in port 11 on SW1, GBIC 3 in port 11 on SW0, other GBICs depopulated: | + | * GBIC 1 in port 11 on SW1, GBIC 3 in port 11 on SW0, other GBICs depopulated: Good |
| − | Good | ||
* GBIC 1 in port 11 on SW1, GBIC 4 in port 11 on SW0, other GBICs depopulated: Good | * GBIC 1 in port 11 on SW1, GBIC 4 in port 11 on SW0, other GBICs depopulated: Good | ||
* GBIC 1 in port 11 on SW0, GBIC 4 in port 11 on SW1, other GBICs depopulated: Good | * GBIC 1 in port 11 on SW0, GBIC 4 in port 11 on SW1, other GBICs depopulated: Good | ||
Latest revision as of 17:19, 23 June 2005
Contents
The symptoms
Port trunking on the cairo Netgear GSM712 GBIC ports causes frequent, repeatable delays of a few seconds for no obvious reason. Delays on a single GBIC/pair of GBICs are also repeatable.
Things to remember
- Is LACP stable?
- Do we need LACP for port trunking?
- Is STP/RSTP on Netgear products stable?
- Could we try backing down to an earlier firmware? (We did a jump from 2.2.0→2.6.0 recently.)
Things I've tried
- Auto LACP enabled/disabled
- STP/RSTP/No spanning-tree
- Swapping cables
- Swapped top GBIC
- Swapped bottom GBICs
- Marked all GBIC modules with identifying scratches.
- STP occassionally puts port in blocking mode when the pauses happen
Tests
Single channel
- GBIC 1 in port 11 on SW0, GBIC 2 in port 11 on SW1, other GBICs depopulated: Pauses
- GBIC 1 in port 11 on SW1, GBIC 2 in port 11 on SW0, other GBICs depopulated: Pauses
- GBIC 1 in port 12 on SW1, GBIC 2 in port 12 on SW0, other GBICs depopulated: Pauses
- GBIC 1 in port 12 on SW0, GBIC 2 in port 12 on SW1, other GBICs depopulated: Pauses
- GBIC 1 in port 12 on SW0, GBIC 3 in port 12 on SW1, other GBICs depopulated: Good
- GBIC 1 in port 12 on SW1, GBIC 3 in port 12 on SW0, other GBICs depopulated: Good
- GBIC 1 in port 11 on SW0, GBIC 3 in port 11 on SW1, other GBICs depopulated: Good
- GBIC 1 in port 11 on SW1, GBIC 3 in port 11 on SW0, other GBICs depopulated: Good
- GBIC 1 in port 11 on SW1, GBIC 4 in port 11 on SW0, other GBICs depopulated: Good
- GBIC 1 in port 11 on SW0, GBIC 4 in port 11 on SW1, other GBICs depopulated: Good
- GBIC 1 in port 12 on SW0, GBIC 4 in port 12 on SW0, other GBICs depopulated: Good
- GBIC 1 in port 12 on SW1, GBIC 4 in port 12 on SW1, other GBICs depopulated: Good
- GBIC 2 in port 11 on SW0, GBIC 3 in port 11 on SW1, other GBICs depopulated: Pauses
- GBIC 2 in port 11 on SW1, GBIC 3 in port 11 on SW0, other GBICs depopulated: Pauses
- GBIC 2 in port 12 on SW1, GBIC 3 in port 12 on SW0, other GBICs depopulated: Pauses
- GBIC 2 in port 12 on SW0, GBIC 3 in port 12 on SW1, other GBICs depopulated: Pauses
- GBIC 3 in port 11 on SW0, GBIC 4 in port 11 on SW1, other GBICs depopulated: Good
- GBIC 3 in port 11 on SW1, GBIC 4 in port 11 on SW0, other GBICs depopulated: Good
- GBIC 3 in port 12 on SW1, GBIC 4 in port 12 on SW0, other GBICs depopulated: Good
- GBIC 3 in port 12 on SW0, GBIC 4 in port 12 on SW1, other GBICs depopulated: Good
