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[dhcp] Allow for links that remained blocked for up to three minutes

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With the default timeouts for Cisco MAC Authentication Bypass, the
link will remain blocked for around 90 seconds (plus a likely
subsequent delay for STP).

Extend the maximum number of DHCP discovery deferrals to allow for up
to three minutes of waiting for a link to become unblocked.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2021-01-19 12:54:50 +00:00
parent 9c2e8bad11
commit 9a341203df
1 changed files with 1 additions and 1 deletions
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2
src/config/dhcp.h
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@@ -28,7 +28,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
* Maximum number of discovery deferrals due to blocked links
* (e.g. from non-forwarding STP ports)
*/
#define DHCP_DISC_MAX_DEFERRALS 60
#define DHCP_DISC_MAX_DEFERRALS 180
/*
* ProxyDHCP offers are given precedence by continue to wait for them