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authorNeale Ranns <neale@graphiant.com>2022-02-17 09:08:47 +0000
committerOle Tr�an <otroan@employees.org>2022-03-04 16:14:11 +0000
commit5c6dd17a373a2c56e57f02426d66a79af7faa19c (patch)
tree154930db914285fda1636eb47faef2b1275e0190 /test/test_reassembly.py
parentbc91e86674d446e024a957318d42a3bbd3280bf1 (diff)
ip: rate-limit the sending of ICMP error messages
Type: improvement For error conditions, such as TTL expired, dest unreach, etc, Rate limit the sending of ICMP error messages. The rate limiting is done based on src,dst IP address of the received packet. the rate limit has been chosen, somewhat arbitrarily, to be 1e-3. This is the same limit as the ARP throttling. Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: I4a0b791cde8c941a9bf37de6aa5da56779d3cef4
Diffstat (limited to 'test/test_reassembly.py')
-rw-r--r--test/test_reassembly.py6
1 files changed, 2 insertions, 4 deletions
diff --git a/test/test_reassembly.py b/test/test_reassembly.py
index 2291c933833..4c7a7cd320b 100644
--- a/test/test_reassembly.py
+++ b/test/test_reassembly.py
@@ -1326,8 +1326,7 @@ class TestIPv6Reassembly(VppTestCase):
packets = self.dst_if.get_capture(
len(self.pkt_infos) - len(dropped_packet_indexes))
self.verify_capture(packets, dropped_packet_indexes)
- pkts = self.src_if.get_capture(
- expected_count=len(dropped_packet_indexes))
+ pkts = self.src_if._get_capture(1)
for icmp in pkts:
self.assertIn(ICMPv6TimeExceeded, icmp)
self.assertIn(IPv6ExtHdrFragment, icmp)
@@ -1372,8 +1371,7 @@ class TestIPv6Reassembly(VppTestCase):
packets = self.dst_if.get_capture(
len(self.pkt_infos) - len(dropped_packet_indexes))
self.verify_capture(packets, dropped_packet_indexes)
- pkts = self.src_if.get_capture(
- expected_count=len(dropped_packet_indexes))
+ pkts = self.src_if._get_capture(1)
for icmp in pkts:
self.assertIn(ICMPv6TimeExceeded, icmp)
self.assertIn(IPv6ExtHdrFragment, icmp)